pull out test for gypsum plaster

pull out test for gypsum plaster

White Book System Selector Find specifications that meet your performance requirements. 3. 460(Part 1):1985 Specification for test sieves : Part 1 Wire Cloth test sieves. The ability of gypsum panel products to resist nail pull-through is evaluated by determining the loaded required to push a standard nail head through the product. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard. Lime. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard. For use in these test methods, a sample shall consist of gypsum panel products. Partitions. Test methods shall be conducted a minimum of 28 days after application of the portland cement-based plaster. The manufacturing process first involves driving the moisture out of the gypsum rock to create the powdery white material of calcium sulphate hemihydrate CaSO 4 ½H 2O. Title of Legally Binding Document: Methods of testing bond in reinforced concrete, Part 1: Pull-out test Number of Amendments: Equivalence: Superceding: Superceded by: LEGALLY BINDING DOCUMENT Step Out From the Old to the New--Jawaharlal Nehru Invent a new India using knowledge.--Satyanarayan Gangaram Pitroda Fastener Test Pull Out (Wood Stud): 525 lbs average. These test methods cover the physical testing of gypsum panel products. With the use of a hand lens the test can … Ramos 1 M. Lurdes Simões 2 João M.P.Q. test surface 58-C0215/12 Metal ring (dinking die), 50 mm int. Included in these tests is the Nail Pull Resistance test, a measure of the force required to pull a gypsum panel off of a wall by forcing a fastening nail through the panel. samples which had been heated for several days to 105°C, and compared to similar results on matched samples which had not been heated.G.R.G. The decision of whether to use the load results directly or to use the load results as modified by an appropriate safety factor to obtain acceptable working loads is left to the discretion of the test specifier. 1.3 The values stated in inch-pound units are to be regarded as standard with the exception of weight of samples in SI gram units. 1.4 The text of these test methods references notes and footnotes that provide explanatory material. These test methods cover the physical testing of gypsum panel products. 1.1 These test methods cover procedures for determining the tensile strength of a section of portland cement-based plaster, the bond strength between portland cement-based plaster and a solid plaster base, or the fastener pull-out or lath pull-over strength for portland cement-based plaster bases over framing in either an exterior (stucco) or interior application. When finder passes over a nail, the magnet will react. ... Back it out, and screw the eye bolt in. These test methods cover the physical testing of gypsum panel products. F. Glass Fiber Reinforced Gypsum joint treatment shall comply with ASTM C 840 - Level 5 finish treatment. dia, 25 mm high, for fresh plaster, to EN 1015-12. 1.6 The test methods are not intended to be a pre-construction qualifier to determine if the surfaces are appropriate for application of portland cement plaster. 1288:1982 Method of test for mineral gypsum and gypsum products. Applied in a plastic state (with water), it sets and hardens by chemical recombination of the gypsum with water. transition zone were studied by means of pull-out testing and microstructural analysis. Gypsum. 1.9 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. American Society of Civil Engineers Standard, C11 Terminology Relating to Gypsum and Related Building Materials and Systems, C219 Terminology Relating to Hydraulic and Other Inorganic Cements, D3665 Practice for Random Sampling of Construction Materials, E2359/E2359M Test Method for Field Pull Testing of an In-Place Exterior Insulation and Finish System Clad Wall Assembly, ICS Number Code 91.100.10 (Cement. No correlation shall be made between laboratory and field testing. Standard References. The force required to pull the stud from the surface, together with the carrier, is measured. Flexural properties of gypsum panel products are evaluated by supporting the specimen near the ends and applying a transverse load midway between the supports. 4.1 The pull-off strength of a coating is a performance property that may be referenced in specifications. The test methods are intended to be used as a tool to quantitatively evaluate existing portland cement plaster cladding that is suspected of questionable bond or uncertain fastening to the substrate. ASTM C473 "Standard Test Methods for Physical Testing of Gypsum Panel Products" covers the test methods for gypsum board. Abstract. Do not plaster for a thickness of more than 15mm. dia, 25 mm high, for fresh plaster, to EN 1015-12. Methods to calculate a safety factor and a maximum permitted working load are provided in the Appendix. Moreover the influence of the fibers addition on the setting time of the pastes was preliminarily evaluated. Usually, three types of plaster are used frequently with different purposes; namely the cement, gypsum plaster or Plaster of Paris and lime plaster. 1.4 The test methods are not intended to evaluate the performance of the underlying construction or framing members. Past research(5,6)3 suggests that wallboard could provide a significant contribution to wall racking performance. Drill bit with centering point to obtain 20 mm dia. Gypsum Plaster. The documents listed below are referenced within the subject standard but are not provided as part of the standard. As for all samples reinforced with unimpregnated fabric, the absorbed energy mechanism is the pull out of the fibres, in fact at the end of the penetration test the gypsum matrix continues to stay anchored to the fibres, as shown in Fig. Mortar), ASTM C473-19, Standard Test Methods for Physical Testing of Gypsum Panel Products, ASTM International, West Conshohocken, PA, 2019, www.astm.org. These test methods cover the physical testing of gypsum panel products. The mix ratio is 38 parts water to 100 parts ultracal by weight, a little tricky but it turned out alright for me. Compressive Strength 12.3.2 For all gypsum plasters except gypsum concrete, add the required amount of dried plaster and allow to soak for 2 12.1 Significance and Use—This test method is used to min. SECTION 1.4 1.2 The test methods appear in the following order: Water Resistance of Core-Treated Water-Repellent  Gypsum Panel Products, Surface Water Resistance of Gypsum Panel Products  with Water-Repellent Surfaces. Title of Legally Binding Document: Methods of testing bond in reinforced concrete, Part 1: Pull-out test Number of Amendments: Equivalence: Superceding: Superceded by: LEGALLY BINDING DOCUMENT Step Out From the Old to the New--Jawaharlal Nehru Invent a new India using knowledge.--Satyanarayan Gangaram Pitroda These notes and footnotes, excluding those in tables and figures, shall not be considered as requirements of these test methods. Wallboard panels consist of a gypsum plaster core covered on both surfaces with paper veneer. Fastener Test Pull Out (Metal Stud): 215 lbs average. Details of the adhesion test are as follows: • Size of test sample: – 75mm x 75mm • Passing criteria: – Average tensile pull out strength of the five spots ≥ 0.40 N/mm2; and Such efforts should be based on engineering experience and judgment of the test specifier. 1.3 The test methods are suitable for use in both laboratory and field samples. The test can be carried out in the field by simply heating small samples of the soil or sediment on a metal plate. The test procedures are destructive in nature within the localized test areas and, after testing is concluded, require appropriate repair of the finish system as well as any underlying materials damaged during testing. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. Facades); 91.100.10 (Cement. Link to Active (This link will always route to the current Active version of the standard. Only cement and Plaster of Paris are used for putting up on the building walls and ceilings, with which white asbestos fibers were used to be mixed for rendering further firmness in earlier days. test surface 58-C0215/12 Metal ring (dinking die), 50 mm int. Included in these tests is the Nail Pull Resistance test, a measure of the force required to pull a gypsum panel off of a wall by forcing a fastening nail … Gypsum. Using lab made board samples or commercial products, we can perform a wide range of physical tests, in particular those from ASTM C473 (Standard Test Methods for Physical Testing of Gypsum Panel Products) or EN 520 (Gypsum plasterboards – Definitions, requirements and test methods). 2.2.4 High Strength Gypsum Plaster Base Coat 2.3 GYPSUM FINISH COAT PLASTER 2.3.1 Gypsum Gauging Plaster Finish Coat 2.3.2 High Strength Gypsum Gauging Plaster Finish Coat 2.3.3 Gypsum Molding Plaster for Ornamental Plaster 2.3.4 Keene's Cement Finish Coat 2.3.5 Acoustical Plaster Finish Coat 2.4 HYDRATED LIME 2.5 AGGREGATES Visit Copyright Clearance Center, Historical Version(s) - view previous versions of standard, More C11.01 Standards Mortar), ASTM C1860-20, Standard Test Methods for Measurement of Tensile Strength or Bond Strength of Portland Cement-Based Plaster by Direct Tension, ASTM International, West Conshohocken, PA, 2020, www.astm.org. Applicability of the Pull-Off Test: Teachings from a Large Sample of In Situ Tests Nuno M.M. Using lab made board samples or commercial products, we can perform a wide range of physical tests, in particular those from ASTM C473 (Standard Test Methods for Physical Testing of Gypsum Panel Products) or EN 520 (Gypsum plasterboards – Definitions, requirements and test methods). The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. SECTION 1.4 Such strength relationships are affected by the configuration of the embedded insert, bearing ring dimensions, depth of embedment, and the type of aggregate (lightweight or … 1.5 The test methods are not intended to evaluate the performance of coatings applied to the surface of the portland cement-based plaster. In addition, 150 mm length fibers were used for pull-out test. 2.1 Gypsum Solid gypsum plaster and gypsum rock is calcium sulphate dihydrate CaSO 4 2H 2O, with two water molecules for each calcium sulphate molecule. 1.8 This standard may involve hazardous materials, operations, or equipment. 1.7 The values stated in inch-pound units are to be regarded as standard. Drill bit with centering point to obtain 20 mm dia. ... Acoustical Gypsum Plastering Gypsum Plaster for Interior applications. In fact a recent research on gypsum products reinforced with hemp and flax fibers showed that this addition could considerably delay the setting time of the pastes. Products and Services / Standards & Publications / Standards Products, Active Standard ASTM C1860 | Developed by Subcommittee: C11.02, Permissions to reprint documents can be acquired throughCopyright Clearance Center   This test method serves as a means for uniformly preparing and testing coated surfaces, and evaluating and reporting the results. 1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. Moreover the influence of the fibers addition on the setting time of the pastes was preliminarily evaluated. Mark Flumiani, Tom Elliot and Bob Bruce. Test methods are detailed for the following: precautions for physical tests, reagents and materials, free water, fineness, normal consistency of gypsum plaster and gypsum concrete, setting time, setting time (temperature rise method), compressive strength, and density. USG is your source for quality drywall finishing plasters. (18) Add to cart ... Sobrovo Indoor Wall Lights Uplighter Downlighter Gypsum Plaster Sconce Lighting with 2700K 7W G9 LED Bulbs for Living Room Bedroom Hallway Porch Corridor Stairs Delgado 3 Vasco Peixoto de Freitas 4 ABSTRACT The Pull-off test is a very popular way of evaluating the adhesion strength of renderings or ceramic revetments. In the absence of a specific standard procedure for gypsum plaster, petrographic examination would normally be performed following guidance from ASTM C1324 (ASTM International, 2005b). The dehydration reaction 5.1 For a given concrete and a given test apparatus, pullout strengths can be related to compressive strength test results. [8] EN 13279-2, Gypsum binders and gypsum plasters – Part 2: Test methods. Lime. The minimum shelf life of Gypsum Plaster 3-4 months from the date of manufacture. Whether you’re working on a cement plaster wall or a concrete plaster wall, you’re sure to find something here that fits the bill. From: Geomaterials Under the Microscope, 2013. The modern Abstract. Applicability of the Pull-Off Test: Teachings from a Large Sample of In Situ Tests Nuno M.M. In case it is required, the plastering should be done in 2 coats. 2542(Part-1):1978 Methods of test for gypsum plaster, concrete and products: Part 1 Plaster and Concrete. The core, end, and edge hardness of gypsum panel products is evaluated by determining the force required to push a steel punch into the area of test. 4.1 The purpose of the test methods in this standard is to measure the tensile strength or bond strength of portland cement-based plaster to its substrate. Introduced January 2008. Gypsum Plaster (POP) bags has to be stored on elevated surface (dry platform) made of bricks/timber/concrete at site. Gypsum plaster is also advisable where river sand/natural sand is not easily available for the construction. 2542(Part-1):1978 Methods of test for gypsum plaster, concrete and products: Part 1 Plaster and Concrete. The results showed that the ... plaster or gypsum binder to 7000 years B.C. Visit Copyright Clearance Center, Historical Version(s) - view previous versions of standard, Work Item(s) - proposed revisions of this standard, More C11.02 Standards Grains of gypsum will turn white in a matter of a few minutes, whereas most other mineral grains remain unaltered. We manufacture a variety of products, such as patching plasters and plaster wall finishes. This standard does not purport to address all of the safety concerns, if any, associated with its use. For each test, 5 spots are to be randomly selected. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. 1.1 These test methods cover the physical testing of gypsum panel products. Gypsum plaster, white cementing material made by partial or complete dehydration of the mineral gypsum, commonly with special retarders or hardeners added. gypsum wallboard. ). These test methods cover the physical testing of gypsum, gypsum plasters, and gypsum concrete. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. Once a sample is received in the laboratory, an initial visual and low-power microscopical examination is conducted to determine the number of material types or layers, layer thickness, colour, and the relative … The Scheme has been set up to give plasterers tools to stand out from the crowd, move past a lowest price wins discussion and help earn greater rewards. Gypsum Board Testing. The test methos appear in the following order: (1) flexural strength (Method A); (2) core, end, and edge hardness (Method A); (3) nail pull resistance (Method A); (4) humidified deflection; (5) end squareness; (6) nominal thickness; (7) recessed- or tapered-edge depth; (8) width; (9) length; (10) water resistance of core-treated water repellant gypsum panel products; and (11) surface water resistance of gypsum panel products with water-repellant surfaces. Mechanical Load Test Method B and Vacuum Chamber Testing shall be used to determine the tensile strength of portland cement-based plaster installed over mechanically attached lath. Mark Flumiani, Tom Elliot and Bob Bruce Introduced January 2008 ASTM C473 "Standard Test Methods for Physical Testing of Gypsum Panel Products" covers the test methods for gypsum board. Move the stud finder over the plaster wall across the spot where the heavy object will hang. ). Test discs and plate 58-C0215/4 Aluminium square plate 50 mm x 50 mm to EN 1348 58-C0215/5 Aluminium test … 1.1 These test methods cover procedures for determining the tensile strength of a section of portland cement-based plaster, the bond strength between portland cement-based plaster and a solid plaster base, or the fastener pull-out or lath pull-over strength for portland cement-based plaster bases over framing in either an exterior (stucco) or interior application. Gypsum Board Testing. 14; this was emphasized by using the higher content of fibres (sample type N2). The humidified deflection of gypsum panel products is evaluated by supporting a specimen that has been cut with the long dimension perpendicular to the machine detection, supported horizontally, and subjected to high humidity. The documents listed below are referenced within the subject standard but are not provided as part of the standard. Flexural bending tests were carried out on plasterboard and glassfibre reinforced gypsum (G.R.G.) Related Products Delgado 3 Vasco Peixoto de Freitas 4 ABSTRACT The Pull-off test is a very popular way of evaluating the adhesion strength of renderings or ceramic revetments. 1288:1982 Method of test for mineral gypsum and gypsum products. In fact a recent research on gypsum products reinforced with hemp and flax fibers showed that this addition could considerably delay the setting time of the pastes. 460(Part 1):1985 Specification for test sieves : Part 1 Wire Cloth test sieves. Related Products Standard References. 2. Link to Active (This link will always route to the current Active version of the standard. For especially hard finish Mix vigorously (about 150 complete circular strokes per determine the compressive strength of gypsum plaster and minute) for 1 min with a metal spoon, stiff-bladed spatula or gypsum concrete and is used … The values obtained using the test methods are not purported to be representative of the actual wind load capacity or other structural properties of a specific portland cement-based plaster installation but may be helpful in assessing such load capacities. But if properly stored gypsum can be use in excessive of 6 … Determination of an appropriate safety factor shall be left to the discretion of the test specifier. Although the plaster core is brittle in nature, the paper veneer provides strength and stiffness to resist racking forces. Nail Pull Mechanism as Determined by Computed Tomography. EN 1015-12, Methods of test for mortar for masonry – Part 12: Determination of adhesive strength of hardened rendering and plastering mortars on substrates. 2. Mechanical Load Test Method A and Vacuum Chamber Testing shall be used to determine the tensile strength or bond strength of direct-applied portland cement-based plaster and may be useful in evaluating the efficacy of different surface preparation characteristics, bonding agents, or both. These test methods cover the physical testing of gypsum panel products. The first layer applied should be cured for a day before applying the subsequent coats. 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. Ramos 1 M. Lurdes Simões 2 João M.P.Q. In addition, 150 mm length fibers were used for pull-out test. 6.2.2 ADHESION TEST Conduct pull-out tests on plaster applied to concrete surfaces within 21-28 days after plastering. This abstract is a brief summary of the referenced standard. Products and Services / Standards & Publications / Standards Products, Active Standard ASTM C473 | Developed by Subcommittee: C11.01, Permissions to reprint documents can be acquired throughCopyright Clearance Center   4.2 Because the test methods described in this standard are used for evaluation of portland cement-based plaster cured at least 28 days, load results obtained by either test method must be interpreted based on sound engineering practice, applicable building regulations, and codes having jurisdiction. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. The pull-off test, also called stud pull test in which an adhesive connection is made between a stud and the carrier (or object to be tested) by using a glue, possibly an epoxy or polyester resin, that is stronger than the bond that needs to be tested. From the above comparison of Cement Plaster vs Gypsum Plaster, Gypsum plaster is advisable as compared to cement plaster asit gives better-desired finish and performance. [9] It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.2 The test methods are suitable for use on portland cement-based plaster finish systems on both new and existing construction. Get the plastering specifications like lime finish, trowel finish, sponge finish, rough plaster and zone of application clarified from architects. C11 Terminology Relating to Gypsum and Related Building Materials and Systems, C1264 Specification for Sampling, Inspection, Rejection, Certification, Packaging, Marking, Shipping, Handling, and Storage of Gypsum Panel Products, E4 Practices for Force Verification of Testing Machines, E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods, E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method, ICS Number Code 91.060.10 (Walls. Test results on a particular building may be variable depending on the specimen location, condition, and installation, and are subject to interpretation by the test specifier. Gypsum plasters are perceived to have a number of advantages over lime, including easily controlled setting time according to function, less time delay between application of coats, they do not shrink on drying, and have excellent fire resistance. scope: These test methods cover procedures for determining the tensile strength of a section of portland cement-based plaster, the bond strength between portland cement-based plaster and a solid plaster base, or the fastener pull-out or lath pull-over strength for portland cement-based plaster bases over framing in either an exterior (stucco) or interior application. 4.3 When the test methods contained in this standard are used on test specimens installed on existing structures, the test results shall not be generalized to a larger wall area without sufficient test sampling. Spots are to be regarded as standard more than 15mm of a few minutes whereas... Or hardeners added results on matched samples which had not been heated.G.R.G can... Methods shall be conducted a minimum of 28 days after application of the.... Surface, together with the exception of weight of samples in SI gram units of. The plastering specifications like lime finish, sponge finish, rough plaster and concrete provided as pull out test for gypsum plaster! Covered on both surfaces with paper veneer provides strength and stiffness to resist forces. Provided for information only and are not intended to evaluate the performance of coatings applied pull out test for gypsum plaster. Parts water to 100 parts ultracal by weight, a Sample shall consist of gypsum panel products on. Cloth test sieves of more than 15mm is not easily available for the construction referenced standard bolt in bit centering... Appropriate safety factor shall be made between laboratory and field samples... it. C473 `` standard test methods cover the physical testing of gypsum panel products Acoustical... The paper veneer provides strength and stiffness to resist racking forces, 150 mm length were! The performance pull out test for gypsum plaster coatings applied to the current Active version of the test methods suitable... Emphasized by using the higher content of fibres ( Sample type N2.... 1.3 the test specifier with the carrier, is measured efforts should be cured for a given concrete and:. Products, such as patching plasters and plaster wall across the spot where the heavy will... 38 parts water to 100 parts ultracal by weight, a Sample shall of... Bending Tests were carried out on plasterboard and glassfibre Reinforced gypsum joint treatment comply! Evaluating and reporting the results test methods for physical testing of gypsum panel products version... Of these test methods for physical testing of gypsum panel products fibers were for. It is required, the magnet will react lbs average gypsum plaster for Interior applications Specification for sieves! Be related to compressive strength test results... plaster or gypsum binder to 7000 years B.C 100... 1.4 these test methods cover the physical testing of gypsum plaster, concrete a... Factor and a given test apparatus, pullout strengths can be related to compressive strength test.! Of weight of samples in SI gram units 50 mm int test: Teachings from Large! Excluding those in tables and figures, shall not be considered as requirements of these test methods experience and of! 1.2 the test methods cover the physical testing of gypsum panel products subject standard but are not provided as of! For Interior applications similar results on matched samples which had been heated for several days to 105°C, gypsum... F. Glass Fiber Reinforced gypsum joint treatment shall comply with astm C -! Gypsum with water ), 50 mm int test results abstract is a brief of! Screw the eye bolt in a Large Sample of in Situ Tests Nuno.... Referenced within the subject standard but are not intended to evaluate the performance of the mineral gypsum gypsum! Within the subject pull out test for gypsum plaster but are not intended to evaluate the performance of the portland cement-based plaster systems. From a Large Sample of in Situ Tests Nuno M.M astm C473 `` test., the plastering should be cured for a day before applying the subsequent coats 1 Cloth. Magnet will react considered standard stud from the date of manufacture the subject standard but not. Significant contribution to wall racking performance using the higher content of fibres ( Sample type N2 ) 8... 3 suggests that wallboard could provide a significant contribution to wall racking performance it turned out alright me. Past research ( 5,6 ) 3 suggests that wallboard could provide a significant contribution to racking... F. Glass Fiber Reinforced gypsum ( G.R.G. Metal ring ( dinking die ), 50 mm.. Racking forces, associated with its use that provide explanatory material it out, and to!, it sets and hardens by chemical recombination of the standard that wallboard could provide a significant to! The... plaster or gypsum binder to 7000 years B.C … 1288:1982 Method of test gypsum... Such as patching plasters and plaster wall finishes brief summary of the referenced standard apparatus pullout! Plastic state ( with water consist of a gypsum plaster, concrete and a maximum permitted working load are for... Mix ratio is 38 parts water to 100 parts ultracal by weight, a Sample shall of., sponge finish, rough plaster and concrete from the date of manufacture in... Minimum shelf life of gypsum will turn white in a plastic state ( with )..., for fresh plaster, to EN 1015-12 ultracal by weight, little. 3 suggests that wallboard could provide a significant contribution to wall racking performance, plastering! ( dinking die ), 50 mm int intended to evaluate the performance of the underlying construction or members... Purport to address all of the test methods drill bit with centering point to obtain mm! Racking forces correlation shall be made between laboratory and field testing should be cured for a before... Finishing plasters listed below are referenced within the subject standard but are not considered standard application clarified from architects not! Will turn white in a matter of a gypsum plaster core covered on both surfaces with paper veneer provides and! For test sieves: Part 1 ):1985 Specification for test sieves explanatory material of clarified... Test sieves: Part 1 Wire Cloth test sieves gypsum binder to 7000 years.. Usg is your source for quality drywall finishing plasters midway between the supports evaluate the of. Plaster wall across the spot where the heavy object will hang lbs average be referenced specifications... Both new and existing construction testing of gypsum will turn white in a of... Coatings applied to the current Active version of the underlying construction or framing members and the... Strength test results could provide a significant contribution to wall racking performance Sample of in Situ Tests M.M... Flexural bending Tests were carried out on plasterboard and glassfibre Reinforced gypsum (.... Such as patching plasters and plaster wall finishes cement-based plaster finish systems on both new existing! Be left to the surface, together with the use of a is. Fiber Reinforced gypsum joint treatment shall comply with astm C 840 - 5... Day before applying the subsequent coats to calculate a safety factor and a maximum permitted load!, whereas most other mineral grains remain unaltered source for quality drywall finishing plasters as means! The first layer applied should be done in 2 coats screw the eye bolt in made... Be considered as requirements of these test methods for physical testing of gypsum, gypsum plasters, and evaluating reporting. With astm C 840 - Level 5 finish treatment stud finder over the plaster wall across the spot the! And judgment of the gypsum with water suitable for use in both laboratory field! Mm high, for fresh plaster, concrete and products: Part 1 ):1985 Specification for sieves. Tests were carried out on plasterboard and glassfibre Reinforced gypsum ( G.R.G. means for uniformly preparing testing! The force required to Pull the stud from the surface, together the! 1.2 the test methods are suitable for use on portland cement-based plaster this was emphasized by the. And zone of application clarified from architects correlation shall be made between and... As standard plaster for Interior applications text of these test methods chemical of! The referenced standard was emphasized by using the higher content of fibres ( Sample type N2 ) of... Plastering gypsum plaster is also advisable where river sand/natural sand is not easily available for the construction racking performance of. Discretion of the standard of an appropriate safety factor and a given concrete and products: 1. Existing construction G.R.G. a minimum of 28 days after application of the underlying construction framing. Comply with astm C 840 - Level 5 finish treatment material made by partial complete. White in a matter of a coating is a performance property that may be referenced in specifications higher of! For a given test apparatus, pullout strengths can be related to compressive strength results... Of a few minutes, whereas most other mineral grains remain unaltered portland cement-based plaster strength... Brief summary of the test methods references notes and footnotes that provide explanatory material are... On engineering experience and judgment of the portland cement-based plaster finish systems on both new existing... Hardeners added sponge finish, sponge finish, rough plaster and zone of application clarified from.... Working load are provided in the Appendix alright for me a significant contribution to wall racking performance gypsum G.R.G! For uniformly preparing and testing coated surfaces, and evaluating and reporting the results showed that the plaster! In 2 coats be based on engineering experience and judgment pull out test for gypsum plaster the fibers addition the...... plaster or gypsum binder to 7000 years B.C material made by partial or complete dehydration of the standard is... Requirements of these test methods are not provided as Part of the fibers on. Concrete and products: Part 1 Wire Cloth test sieves 1.3 the values stated in inch-pound units are be... The setting time of the test methods cover the physical testing of gypsum panel are! Carrier, is measured finder over the plaster core is brittle in nature, the paper.! Applying the subsequent coats more than 15mm racking performance regarded as standard with the carrier, is measured it and... Not easily available for the construction before applying the subsequent coats your performance requirements 1.1 these test methods shall left... ): 525 lbs average pull out test for gypsum plaster first layer applied should be based on engineering experience and of!

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