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.

Many homes were built without stucco expansion joints. Type of materials the orientation of the building and the type of surface. Stucco does not require expansion contraction joints when directly applied to concrete concrete block or other masonry except where there is a change from one material to another. Stucco control and expansion joints are available in roll formed galvanized steel zinc alloys and polyvinyl chloride pvc.

Expansion joint trim is used over lath installed on a 10 ft. A lath is an important part in building residential and commercial roofing system. 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. On vertical surfaces and 100 sq.

Joint spacing the use and spacing of stucco control joints depend on several factors. Expansion joints will work to prevent this movement from damaging the stucco application avoiding unsightly cracks and damaging gaps. The metal lath is where the galvanized metal vinyl stucco expansion joint is usually used. 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.

Control joints expansion and contraction shall be installed in walls to delineate areas not more than 144 sq.