Expansion Joints Stucco Siding

The metal lath and the galvanized metal vinyl stucco expansion joint the metal lath is where the galvanized metal vinyl stucco expansion joint is usually used.

Expansion joints stucco siding.

Expansion joints will work to prevent this movement from damaging the stucco application avoiding unsightly cracks and damaging gaps. Many homes were built without stucco expansion joints. The proper use of contraction joints in stucco systems will depend on a number of variables including. This article discusses types of stucco building exterior wall materials and installation methods including stucco recipes three coat stucco installations stucco wall expansion joints metal lath stucco systems how stucco is applied to walls thin coat stucco systems.

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. This is the reinforcement that is created before plastering or coating the area. Pvc accessories for stucco plaster and modified stucco systems developed by plastic components inc. Control joints expansion and contraction shall be installed in walls to delineate areas not more than 144 sq.

On vertical surfaces and 100 sq. Joint spacing the use and spacing of stucco control joints depend on several factors. Their purpose is to provide design authoritys and contractors with a rust free damage resistant economical alternative to galvanized and aluminum accessories. What is the proper spacing for contraction expansion joints in portland cement plaster stucco applications.

The orientation of the construction vertical walls or. 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. A lath is an important part in building residential and commercial roofing system.

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. Stay form is the most cost effective solution for forming bulkheads tunnels or any below grade structure. Stucco on wood frame construction is another story because stucco has a different rate of expansion contraction than the underlying wood framing. Applications include stucco thin stone thin brick and masonry siding.

These products are manufactured with high impact resistant lead free pvc and conform to astm standards d1784 and c1063. Stucco control and expansion joints are available in roll formed galvanized steel zinc alloys and polyvinyl chloride pvc.