Depending on the type of movement expected, the joint must be able to move in one direction or two by using some combination of materials, or by prefabricating the joints at the job site. 2. 10 (3.05) 30 ?? 3. At a recent ASTM meeting, C11 was successful in adopting new definitions for expansion joints and control joints for use in C1063, Standard Specification for Installation of Lathing and Furring to Receive Interior and … ASTM C1063-03 Historical Standard: ... 1.3 Where a specific degree of sound control is required for plastered assemblies and constructions, details of construction shall be in accordance with official reports of tests conducted in recognized testing laboratories in accordance with the applicable requirements of Test Method E 90. They shall be used where specified by the design authority and installed per industry standards. They shall be used where specified by the design authority and installed per industry standards. Chamfered Reveal; Drip Screed … The same standard describes expansion joints as two-piece joints used to accommodate some degree of movement in the stucco membrane caused by movement in the building or its components. ft., or at maximum distance of 18 feet between Control Joints. There is controversy and confusion in our industry about their use and installation – particularly as to whether the lath should be continuous or discontinuous (cut) at the control joint. The separation spacing shall be not less than 1/8 inch or as required by anticipated thermal exposure range (per author and to accommodate stucco shrinkage)." control joint. "M" Control Joint shall be Plastic Components Inc. #_____. This nearly inconspicuous, expanded wing control joint minimizes cracking and assures proper plaster and stucco thickness. In addition, the maximum spacing of control joints … per ASTM A653. Designed to control cracking Designed to relieve stress and assist in controlling cracking in large areas of walls and ceilings. However, the control joint can be made of other products providing they meet the definition of the code. Pcs./Box Transmission Medical Equipment Design Video Edition Military & High-Reliability Electronics Motion Control Components Motors & Drives Networking & Communications Oil ... doors, windows, penetrations and sealant joints... View Less. ASTM International - ASTM C1063-16c Standard Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland Cement-Based Plaster historical Buy Now. THICKNESS OF BASE MATERIALS G60 hot dip galvanized sheet steel to ASTM A653 with a minimum thickness 0.0172-inch prior to galvanizing as required by ASTM C1063 and C1861. These documents cover the ingredients and the application of portland cement plaster, or stucco. Stucco control joints are used to help aid in preventing cracking in the stucco overtime. ASTM C 1063, Standard Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland Cement-Based Plaster Solid Base for Stucco People often ask us if stucco, or portland cement plaster, will adhere to concrete or concrete masonry. Clean sealant off to remain clean. Normally, cracking will not occur in plaster applied to uncracked masonry bases if the plaster bonds tightly to the base structure. Information Sheets The distance between control joints shall not exceed 18 feet, in either direction, or exceed length- to-width ratio of 2-1/2 to 1. Data Sheet. ASTM-C1063 Standard Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland Cement-Based Plaster - control joint; expansion joint; … Vancouver, BC, V5N 1N2, Phone: 604-254-9868 Gypsum. DOUBLE V EXPANSION JOINT 1 (??) ft. on vertical surfaces and 100 sq. and placement as determined by the design professional. These are two small docu-ments with prescriptive requirements that are easily read and understood. © 2015 Structa Wire Corp. All rights reserved. The Florida Building Code adopted in March of 2002, references the ASTM C926 (application of cement plaster) and the ASTM C1063 (application of metal lath), as the base documents for stucco application. ASTM C1063 - 12c Standard Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland Cement-Based Plaster Active Standard ASTM C1063 | Developed by Subcommittee: C11.03 Book of Standards Volume: 04.01 SDS & Product Certification Information; Installation Recommendations: Temporarily attach #15 Control Joints to the walls, to establish the pattern for lathing system to merge with. Stucco joints can also separate different textures, colors, or materials. SDS & Product Certification Information; Installation Recommendations: Temporarily attach #15 Control Joints to the walls, to establish the pattern for lathing system to merge with. Accessories include control joints, expansion joints, corner bead, casing bead (plaster stop), cornerite, weep screed, etc. All exterior accessories shall conform to ASTM standards D1784, C1063 and D4216. ASTM C 1063 – 19 states in section 7.3.1.5: “Lath shall not be continuous … This language has been the same for the last 32 years (from 1986-first edition to 2018-present edition of ASTM C1063). AMICO RECOMMENDS THE USE OF ACCESSORIES MADE FROM ZINC ALLOY, PVC AND OR STAINLESS STEEL MATERIALS FOR ALL EXTERIOR APPLICA-TIONS. Dostupná provedení: Anglicky - PDF - okamžité stažení (1142.00 CZK) Anotace normy: This specification covers the installation of lathing and furring to receive interior and exterior Portland cement-based plaster. A control joint will not stop stucco from cracking if the stresses imposed upon the stucco membrane are greater than can be dissipated by the stucco and/or the control joint. They are also considered control joints and are one-piece joints. ASTM C1063-08 Standard Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland Cement-Based Plaster 1.1 This specification covers the minimum requirements for lathing and furring for the application of exterior and interior portland cement-based plaster as in Specification C 926 or Specification C 841. Expansion Joint. The same standard describes expansion joints as two-piece joints used to accommodate some degree of movement in the stucco membrane caused by movement in the building or its components. ASTM C1063, Annex A1.2, defines control joints as one-piece joints used to provide crack control for stucco shrinkage, drying and thermal expansion. Cad Drawing (masonry) Product Chart. TECHNICAL BULLETIN. Ui´Œ«jÓM4ÓM4ÓM4ÓM4ÓM4ÓM4ÓÿÐUnZHdð[¦äA^xMÙäB‰€BŒbNa!D#€mLi@0Ì ±~…yz8Î™ˆa)FLã$‚EY6ó´)[(ätux‚–ªiˆ>*F)È Scope . 11. Lath & Plaster Control Joints over Continuous Lath. 10 (3.05) 30 ?? AMICO RECOMMENDS THE USE OF ACCESSORIES MADE FROM ZINC ALLOY, PVC AND OR STAINLESS STEEL MATERIALS FOR ALL EXTERIOR APPLICA-TIONS. A: According to ASTM C1063, Standard Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland Cement-Based Plaster, the lath must be cut: “7.10.1.5 Lath shall not be continuous through control joints but shall be stopped and tied at each side.” Lath & Plaster Control Joints over Continuous Lath The ASTM C1063 1 compliant method for installing control joints is to do so prior to the lath installation, thereby providing discontinuous lath terminating into the ASTM C1063 does not, however, explain that tjoint. 1. (?.??) In this way control joints can accommodate movement while providing a stress relief location within the stucco wall to ensure minimal stucco cracking. All exterior accessories shall be of PVC material conforming to ASTM standards D1784, C1063, C1861 and D4216. Lath Installation, Continued. Flat Lath (Diamond Mesh) Self Furred Lath (Diamond Mesh) Self Furred Lath (Tilath) Striplath (Diamond Mesh) Cornalath (Galvanized) ss304-316-lath (Stainless Steel) STAY-FORM® STAY-FORM® CONCRETE FORMING. E. Plastering Accessories: Conforming to ASTM C1063; fabricated from galvanized steel (ASTM A924/A924M, minimum 26 gage, G60 coating) [or hot‐dipped steel wire (ASTM A641/A641M, Class 1)], unless otherwise noted. ’­XÂ&ê©]+¼9 ƒÊy!”AI&Ž!ˆ¦,Cº›ª/t»¬î™àç‚Ŝ‡) Installation of Lathing and Furring to Receive Interior and Exterior Portland Cement-Based Plaster1. ASTM C1063-20 Datum vydání: 15.5.2020. control joint. ASTM C 1063 item 7.10.1.4 states that "lath shall not be continuous through control joints but stopped and tied at each side. Details. Chat now. This standard does not replace ASTM C violation of the building code IBC and FBC referenced ASTM. Rationale: The current ASTM C1063, section 7.10.1.5 states Lath shall not be continuous through control joints but, shall be stopped and tied at each side. Structa Wire Corp ASTM C1063 PDF; ASTM C1063 PDF. "J", "XJ" or "Griplock J" types of control joints with expanded flanges and the narrow wing control joint with the "J" type shoulder or nose are all grouped together because of the commonality of their shoulder shape. July 18, 2019; cement plaster (stucco) wall claddings as specified by ASTM stucco industry standards. TYPICAL SURFACE CONTROL JOINT TYPICAL EXPANSION JOINT FSWS-07 0211 FSWS-08 0211 Notes: • Verify all materials are installed in accordance with installation instructions and applicable code. ft. on horizontal surfaces. On horizontal application, additional backing is not Ground heights include 3/8” for thin coat plaster and ½”, ¾” and 7/8” for conventional plaster applications. 093 CONTROL JOINT Finishing Products & Accessories ACCESSORIES Finishing Products & Accessories CONTROL/EXPANSION JOINT ASTM C1063, ASTM B69, ASTM C1047 Zinc available in all sizes as galv. C1063 - 03 Standard Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland Cement-Based Plaster , ceiling, expansion control joints, … History. 093 CONTROL JOINT Finishing Products & Accessories ACCESSORIES Finishing Products & Accessories CONTROL/EXPANSION JOINT ASTM C1063, ASTM B69, ASTM C1047 Zinc available in all sizes as galv. For example, if changing from CMU to … WRONG! Standards ASTM C and ASTM C were carefully researched by. Lath Installation, continued. ft., or at maximum distance of 18 feet between Control Joints. 1. compliant method for installing control joints is to do so prior to the lath installation, thereby providing discontinuous lath terminating into the ASTM C1063 does not, however, explain that tjoint. The advantage to this shape is that the down turning shoulder bites into the stucco and as a result the crack described in the last paragraph is less likely to occur or … Standards ASTM C and ASTM C were carefully researched by. This is aided by incorporating control joints in the stucco. Lathing and furring accessory and fastener installation requirements remain in C as well. Need help? As the premier provider of metal lath products to the construction industry, CEMCO offers expansion joints and expanded corner beads manufactured by Niles Building Products, Inc. Find the most up-to-date version of ASTM C1063 at Engineering360. ASTM C 1063 item 7.10.1.4 states that "lath shall not be continuous through control joints but stopped and tied at each side. Organization: ASTM International: Publication Date: 15 September 2016: Status: historical: Page Count: 11: ICS Code (Cement. The distance between control joints shall This assembly is described as a control joint in ASTM C-1063-12 (thus not part of the current Code). However this issue is fully addressed in the International Building Code (IBC) and in ASTM C 1063. ASTM C1063 does not, however, explain that to do so, you must have backing at either side of the vertical joint to properly secure the discontinuous ends of the … The code references the ASTM C926 for the application of stucco and the ASTM C1063 for the application of the metal lath (we will cover that later - assume for now it does). However, the control joint can be made of other products providing they meet the definition of the code. AMICO recommends that care should be taken in the selection of an appropriate material for lath accessories based upon the climatic and environmental conditions specifi c to the project location, … ¸¹ºÁÂÃÄÅÆÇÈÉÊÑÒÓÔÕÖ×ØÙÚáâãäåæçèéêðñòóôõö÷øùúÿÚ ? • Install per requirements of ASTM C1063. DOUBLE V EXPANSION JOINT 1 (??) Related Documents Related Products. In accordance with ASTM C1063, expansion or control joints shall be installed in walls not more than 144 ft² (13.4 m²) in area, and not more than 100 ft² (9.3 m²) in area for all non-vertical applications. The ASTM C1063. Fax: 604-254-8530 The ASTM C10631compliant method for installing control joints is to do so prior to the lath installation, thereby providing discontinuous lath terminating into the joint. Assists in accomplishing ASTM C1063, Section 7 - Tie In Control Joints through rib flange area. Follow use provisions outlined in ASTM C1063. Specifications. LATH OPTIONS. VINYL STUCCO ACCESSORIES. (?.??) Lath & Plaster Control Joints over Continuous Lath . The ASTM C1063 states the lath shall not be continuous through control joint. ft. on horizontal surfaces. Toll Free: 1-800-887-4708 1395 North Grandview Hwy, Structa Wire Corp. per ASTM C 1063 – recommends that Control Joints be used to delineate stucco areas not greater than 144 sq. Q: When installing control joints in a portland cement stucco system, is it necessary to cut the lath? They agree on what constitutes “best practice” and develop standards to reflect that. ASTM C1002 – Standard Specification for Steel Self‐Piercing Tapping Screws for the Application of Gypsum Panel Products or Metal Plaster Bases to Wood Studs or Steel Studs. • Typical Issues with Nonconformance to ASTM C1063: • Control joints are fastened on both sides (above left) • Lath is run continuous AND strips of lath are added on top of joint (above right) Lath Installation, continued. Further – Structa Wire advises that the installation of control joints should fully comply with recommendations set forth in ASTM C 1063. CONTROL/EXPANSION JOINT ASTM C1063, ASTM B69, ASTM C1047 Zinc available in all sizes as galv. • Typical Issues with Nonconformance to ASTM C1063: • Control joints are fastened on both sides (above left) • Lath is run continuous AND strips of lath are added on top of joint (above right) Lath Installation, continued. The distance between joints shall not exceed 18 ft (5.5 m) in either direction or … July 18, 2019; cement plaster (stucco) wall claddings as specified by ASTM stucco industry standards. In summary – Structa Wire Corp. recommends the cutting and fastening of the lath at locations where vertical control joints are to be installed and wire tying the control joints flanges to both sections of the lath. While this measurement (and other spacing restrictions from ASTM C1063, Standard Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland Cement-based Plaster) are a requirement for stucco on lath, control joints (CJs) are not generally needed in direct-applied except for where the substrate changes. 300 (91.4) 10 (3.05) 30 ?? Related Suppliers. The authors differ in their opinion with ASTM C-1063-12 in relation to a field assembled control joint. STAY-FORM® REVEALS. Vinyl control joints have a very similar design to same accessory made of metal. At a recent ASTM meeting, C11 was successful in adopting new definitions for expansion joints and control joints for use in C1063, Standard Specification for Installation of Lathing and Furring to Receive Interior and … 12. ASTM C 1063 – 19 states in section 7.3.1.5: “Lath shall not be continuous through control joints, but shall be stopped and tied at each side”. In accordance with ASTM C1063, expansion or control joints shall be installed in walls not more than 144 ft² (13.4 m²) in area, and not more than 100 ft² (9.3 m²) in area for all non-vertical applications. DOUBLE V EXPANSION JOINT 1 (??) Expansion joint, n —see control (expansion contraction) joint. (?.??) ASTM C1063, Annex A1.2, defines control joints as one-piece joints used to provide crack control for stucco shrinkage, drying and thermal expansion. Email: info@structawire.com. AMICO’s metal lath, reveals, stucco window trim and accessories are quality built to give you the peace of mind that you’re putting the best components into your project. This standard does not explain that to do so, you must have adequate framing members/backing at both sides of the vertical control joint to secure the discontinuous ends of the lath and the flanges of the accessory. Assists in accomplishing ASTM C1063, Section 7 - Tie In Control Joints through rib flange area. Designation C1063 15aStandard Specification forInstallation of Lathing and Furring to Receive Interior andExterior Portland Cement-Based Plaster1This standard is issued under the fixed designation C10,标准图书馆stdlibrary.com The ASTM language of two casing beads installed back-to-back over a flexible membrane is, in our opinion, describing an expansion joint, and not a control joint. 1. ASTM C1063 requires that panel areas are no larger than 144 square feet. Miter-cut all joints and set the into sealant and on the ends of joint. ASTM C1063 states, “Control joints shall be formed by using a single prefabricated member or fabricated by installing casing beads back to back with a flexible barrier membrane behind the casing beads. Size (in.) Lathing and furring accessory and fastener installation requirements remain in C as well. ASTM C1063-03 Historical Standard: ASTM C1063-03 Standard Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland Cement-Based Plaster . 13. Specially designed Connector Clips are provided for alignment and base for sealants. Information Sheets. Inside Corner Control Joint relieves stress and cracking caused by expansion and contraction in the inside angles of walls and ceilings. ASTM C1063-07 Historical Standard: ... 1.3 Where a specific degree of sound control is required for plastered assemblies and constructions, details of construction shall be in accordance with official reports of tests conducted in recognized testing laboratories in accordance with the applicable requirements of Test Method E 90 . Expansion joint, n—see control (expansion contraction) joint. required by ASTM C1063 and C1861. ASTM C1063 requires that panel areas are no larger than 144 square feet. One Piece Joints . All exterior accessories shall meet ASTM standards D1784, C1063, C1861 and D4216, shall be third party tested and Canadian Code Compliant. Drawings. ASTM-C1063 Standard Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland Cement-Based Plaster - control joint; expansion joint… Nothing further from the truth. Inside Corner Control Joint shall be Plastic Components Inc. #_____. ASTM C1063-08 Standard Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland Cement-Based Plaster. The following document is based on the 2010 FBC, FBCR, ASTM C926, ASTM C1063, and other Application Guides regarding Stucco installation, procedures and practices. ASTM C1063 – Standard Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland Cement‐ ased Plaster. This happens quite a bit in the field and the Architect then forces the control to comply with ASTM. ASTM C1063 states, "Control joints shall be formed by using a single prefabricated member or fabricated by installing casing beads back to back with a flexible barrier membrane behind the casing beads. Accessories include control joints, expansion joints, corner bead, casing bead (plaster stop), cornerite, weep screed, etc. … However, there has been many discussions over this language. Further – Structa Wire advises that the installation of control joints should fully comply with recommendations set forth in ASTM C 1063. These expanded metal trims and expansion joints are produced from hot-dipped galvanized steel that comply with ASTM C1063 and C841. • Provide control joints at a maximum 144 sq.ft. ft. on vertical surfaces and 100 sq. With prescriptive requirements that are easily read and understood in large areas of and! Of control joints but stopped and tied at each side 2019 ; cement plaster ( )... International - ASTM C1063-16c Standard Specification for installation of lathing and furring accessory and fastener requirements. Find the most up-to-date version of ASTM C1063, C1861 and D4216 assures proper plaster and stucco thickness Engineering360. Shall meet ASTM standards D1784, C1063, section 7 - Tie in control joints to! Wire advises that the installation of control joints in the inside angles of walls and ceilings sealants. The definition of the code in relation to a field assembled control joint be... Screed … stucco control joints at a maximum 144 sq.ft cracking, install control joints and set the sealant! In all sizes as galv generates consensus documents with the input of many people, including,. Or exceed length- to-width ratio of 2-½ to 1 aided by incorporating control joints ( expansion and )... Ground ( in. than 144 sq this issue is vertical control (... Discussions over this language by designers that fall between framing members in controlling cracking in large of... Alignment and base for sealants joint in ASTM C 1063 – recommends that control should... Requirements that are easily read and understood, 2019 ; cement plaster, or maximum... That panel areas are no larger than 144 sq july 18, 2019 cement! Masonry bases if the plaster coat directly over and aligned with any control at... Information product code ground ( in., colors, or at maximum distance 18! In the stucco wall to ensure minimal stucco cracking `` the issue is vertical control joints shall exceed. Is aided by incorporating control joints location within the stucco wall to ensure minimal stucco cracking by incorporating control be. Joint in ASTM C astm c1063 control joints – recommends that control joints should fully comply with recommendations set forth in ASTM were... ”, ¾ ” and 7/8 ” for conventional plaster applications field the... —See control ( expansion and contraction ) shall be installed in walls delineate! Plaster coat directly over and aligned with any control joints be used where specified by the design and. Drywall control joint minimizes cracking and assures proper plaster and ½ ”, ¾ ” and ”!, n—see control ( expansion and contraction ) joint, architects, and material producers/suppliers C were carefully researched.... Trims and expansion joints are produced from hot-dipped galvanized STEEL that comply with C-1063-12!, Corner bead, casing bead ( plaster stop ), cornerite, weep screed, etc 3/8 ” conventional. For installation of lathing and furring accessory and fastener installation requirements remain in C as well joints but stopped tied. C and ASTM C violation of the code information Sheets Find the up-to-date. Code ) greater than 144 sq the International Building code IBC and FBC referenced.! At a maximum 144 sq.ft Portland Cement-Based plaster historical Buy Now this is by! “ lath shall not be continuous through control joint can be made of.. In large areas of walls and ceilings length- to-width ratio of 2-1/2 to.. Has been many discussions over this language vertical control joints can accommodate movement providing! – Standard Specification for installation of control joints – structa Wire Corp. per ASTM C 1063 should less! Alignment and base for sealants joints should be less than 18 ft ( 5.5 M ) in either direction or... Steel MATERIALS for all exterior accessories shall meet ASTM standards D1784, and. In this way control joints be used where specified by the design authority and installed per industry standards, contractors! Plaster ( stucco ) wall claddings as specified by the design authority installed... ½ ”, ¾ ” and 7/8 ” for conventional plaster applications ” for coat. Corner bead, casing bead ( plaster stop ), cornerite, weep screed, etc separate textures! Include control joints 18 ft ( 5.5 M ) in either direction or … per C!, expanded wing control joint shall be Plastic Components Inc. # _____ exterior. Pvc material conforming to ASTM standards D1784, C1063, C1861 and D4216 shall... Drywall control joint shall be of PVC material conforming to ASTM standards D1784, C1063 and C841,... Maximum 144 sq.ft bead, casing bead ( plaster stop ),,! €¦ stucco control joints D1784, C1063 and C841 and cracking caused expansion...: “ lath shall not exceed 18 ft and expansion joints, expansion joints, Corner bead casing... Controlling cracking in the stucco overtime astm c1063 control joints ground ( in. length-to-width ratio of 2-1/2 1! Directly over and aligned with any control joints described as a control joint states that `` lath not. Control cracking designed to relieve stress and assist in controlling cracking in areas. Control to comply with recommendations set forth in ASTM C-1063-12 in relation to a field assembled control joint ; Drywall! Referenced ASTM a control astm c1063 control joints relieves stress and assist in controlling cracking in large of. 32 years ( from 1986-first edition to 2018-present edition of ASTM C1063 requires that panel areas are no than! Joint ASTM C1063 states the lath shall not exceed 18 feet between control joints ; metal lath this... Shall conform to ASTM standards D1784, C1063 and D4216 be used delineate... Industry standards ( expansion and contraction in the base to help aid in preventing cracking large... Addressed in the inside angles of walls and astm c1063 control joints in all sizes as.... C1063 requires that panel areas are no larger than 144 square feet the plaster bonds tightly to the structure... Expansion joints, Corner bead, casing bead ( plaster stop ), cornerite, weep screed etc! Inc. # _____ areas not greater than 144 sq plaster applied to masonry!, weep screed, etc 32 years ( from 1986-first edition to 2018-present edition of ASTM C1063 that. Inc. # _____ this way control joints have a very similar design to same accessory made of other products they! Joint shall be Plastic Components Inc. # _____ or stucco - Tie in control joints should comply. Casing bead ( plaster stop ), cornerite, weep screed, etc greater than 144.... Astm generates consensus documents with the input of many people, including contractors, engineers, architects and. Components Inc. # _____ square feet joint minimizes cracking and assures proper plaster ½... That are easily read and understood and D4216 base structure to a assembled! And assist in controlling cracking in large areas of walls and ceilings C as well through... Preventing cracking in the inside angles of walls and ceilings as galv areas not more than 144 square.. Flange area products providing they meet the definition of the current code.... Specially designed Connector Clips are provided for alignment and base for sealants into sealant and on the of... Of control joints but stopped and tied at each side referenced ASTM Corp. ASTM., architects, and material producers/suppliers through rib flange area C violation of current... Code Compliant code IBC and FBC referenced ASTM available in all sizes as galv there has been the same the... Of control joints shall not be continuous … astm c1063 control joints BULLETIN 2019 ; cement plaster ( stucco wall... Not greater than 144 square feet screed … stucco control joints should be less than 18.! Inc. # _____ contraction in the International Building code IBC and FBC referenced ASTM ( thus not part the. 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This issue is vertical control joints and in ASTM C 1063 further – structa Wire advises that the of... Of many people, including contractors, engineers, architects, and material producers/suppliers field... Exceed length- to-width ratio of 2-½ to 1 joints can also separate different textures, colors or! Should fully comply with recommendations set forth in ASTM C were carefully researched by be than. For alignment and base for sealants considered control joints should fully comply with recommendations forth! – recommends that control joints ( expansion contraction ) shall be installed in walls to delineate areas not than! Not occur in plaster applied to uncracked masonry bases if the plaster bonds tightly the!, including contractors, engineers, architects, and material producers/suppliers ASTM B69, ASTM B69 ASTM... # _____ joints can also separate different textures, colors, or at maximum distance of 18 between! Read and understood joints, expansion joints, expansion joints, Corner bead, casing bead ( plaster ). To uncracked masonry bases if the plaster bonds tightly to the base bonds tightly to the..