Expansion Joints Stucco Siding

Stucco on wood frame construction is another story because stucco has a different rate of expansion contraction than the underlying wood framing.

Expansion joints stucco siding.

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. Expansion joints will work to prevent this movement from damaging the stucco application avoiding unsightly cracks and damaging gaps. Type of materials the orientation of the building and the type of surface. The metal lath is where the galvanized metal vinyl stucco expansion joint is usually used.

This is the reinforcement that is created before plastering or coating the area. The durability of a lath depends on its construction. Control joints expansion and contraction shall be installed in walls to delineate areas not more than 144 sq. On vertical surfaces and 100 sq.

Many homes were built without stucco expansion joints. 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. Joint spacing the use and spacing of stucco control joints depend on several factors. Expansion joint trim is used over lath installed on a 10 ft.

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.