20191128 Vinyl Control Joint with Removable Tape is an improved version of the M type expansion joint. This Control Joint provides returns to better lock into the stucco. These joints can be ordered without the removable tape. NOTES Removable tape has been provided to insure a clean joint
201754 A stress relief joint is a general term to describe reducing stress cracking in portland cement plaster. Historically the relief was done by scoring the plaster like you would score concrete. However, modern methods of stress relief involve stress relief accessories. These accessories include control joints, expansion joints and reveals.
2005119 ASTM C 1063 Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland CementBased Plaster Control joints should be installed to delineate areas of not more than 144 sq. ft. etc. In order for me to tie a control joint requirment will require me to purchase some very old reference books! Any further help
201754 initial plaster application. Control joints should not be a substitution for an expansion joint, where accommodation of structural movement is required. JULY 2013 60.160 Technical Services Information Bureau LATH PLASTER CONTROL JOINTS OVER CONTINUOUS LATH TECHNICAL BULLETIN UPDATED MAY 2017
2015113 days following the initial plaster application. Control Joints are not intended to be a substitution for an expansion joint, where accommodation of structural movement is required. Control joints also provide for better quality work as they serve as a screed for leveling of the cement plaster creating uniform plaster thickness.
The terms cement plaster and cement stucco are used interchangeably. They both describe a combination of cement and aggregate mixed with a suitable amount of water to form a plastic mixture that will adhere to a surface and preserve the texture imposed on it. When freshly mixed, plaster is a pliable, easily workable material.
2017314 Control Joints define plaster panels. They are used to minimize shrinkage cracking as Portland Cement Plaster panels lose volume during the setting and curing process. They are over rated when used for Expansion Joints as you can see in the picture above.
2019101 fasten control joint at 16 o.c. each side dupont flashing tape or straightflash, 9 wide, behind intervening layer aligned with control joint horizontal control joint lath, cut at control joint intervening layer cement plaster dupont tyvek wrb continuous behind control joint furring nail w spacing wad scale date drawing notes
Expanded flange control joint 15 Expanded Flange Control Joint DoubleV is used to relieve stresses in large plastered areas of walls, ceilings and stucco areas. This nearly inconspicuous expanded wing control joint minimizes cracking and assures proper plaster and stucco thickness. Follow use provisions outlined in ASTM C1063.
Control Joints in Stucco. May 2015 Q When installing control joints in a portland cement stucco system, is it necessary to cut the lath? A According to ASTM C1063, Standard Specification for Installation of Lathing and Furring to Receive Interior and Exterior Portland CementBased Plaster, the lath must be cut 18.104.22.168 Lath shall not be continuous through control joints but shall be
201929 Control Joints A control joint is a onepiece trim accessory used to relieve minimal amounts of stress, provide architectural breaks or aesthetic appeal. Cement shrinkage, thermal expansion and contraction, minor lumber shrinkage, and other minimal building movement are functions, onepiece control
201953 The Stucco Manufacturers Association SMA Guide Specification for 3coat Portland Cement Plaster Stucco applied to Framed Walls 22017 INTRODUCTION The Stucco Manufacturers Association SMA is a nonprofit association formed in 1957 to promote best practices for cement plastering stucco.
Backer Board Cement Board Backer Board Cement Board. Mineral Fiber Wall Boards Mineral Fiber Wall Boards. What is the recommended spacing of control joints for gypsum panels for walls and ceilings? The maximum recommended control joint spacing for walls and ceilings without perimeter relief is 30 feet. With perimeter relief the maximum
Although the requirements for movement control joints vary for each cladding type, they all require that any movement control joint in the substrate is carried through the plaster finish, so the movement control joint in concrete masonry construction or the substrate support changes from solid to framed construction.
Lack of, or inadequate, control joints can produce unsightly and damaging cracking. If control joints are to be effective, and perform their intended function, they must be located and installed correctly. Plastic concrete in place, after being initially proportioned and mixed to homogenity, occupies greatest volume.
Also available from the CEMCO plaster accessories group is .093 purezinc control joint manufactured by Niles Building Products. Used specifically for interior applications, this gypsum board control joint is easily installed with staples, and a removable plastic strip for a clean, crisp joint line.
2010723 If you work with concrete you need to know how to make concrete control joints. Theyre important in that they allow you to control any cracking that might occur in the concrete youve laid sue to changes in temperature. Unless you use concrete control joints the cracks will be random. By using