Expansion Joints Stucco Siding

Stucco control and expansion joints are available in roll formed galvanized steel zinc alloys and polyvinyl chloride pvc.

Expansion joints stucco siding.

Type of materials the orientation of the building and the type of surface. Expansion joints cannot be retrofit into existing stucco buildings but some steps can be taken to help prevent this from developing into a serious and damaging situation. A lath is an important part in building residential and commercial roofing system. Vertical and horizontal grid pattern or where surface stress areas exist the product control cracks and provides reinforcement for stucco and plaster surfaces the product may be easily attached to expanded metal lath by screw.

This is the reinforcement that is created before plastering or coating the area. Expansion joints will work to prevent this movement from damaging the stucco application avoiding unsightly cracks and damaging gaps. 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. The metal lath is where the galvanized metal vinyl stucco expansion joint is usually used.

On vertical surfaces and 100 sq. Stucco on wood frame construction is another story because stucco has a different rate of expansion contraction than the underlying wood framing. Many homes were built without stucco expansion joints. Control joints expansion and contraction shall be installed in walls to delineate areas not more than 144 sq.

Joint spacing the use and spacing of stucco control joints depend on several factors.