Expansion Joints Smooth Stucco Siding

The type of construction materials to which the stucco will be applied.

Expansion joints smooth stucco siding.

One piece joints. Horizontal accessories such as expansion joints or j beads act as collectors for this water and either concentrate water flow at joints in the accessory or dump the water down intersecting vertical accessories. Control joints expansion and contraction shall be installed in walls to delineate areas not more than 144 sq. Shaped like a v or m it is usually fabricated with expanded flanges to increase bonding characteristic.

What is the proper spacing for contraction expansion joints in portland cement plaster stucco applications. A one piece joint is typically classified as a control joint. 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. Balco expansion joint systems and seismic joint covers are the vanguards of architecturally specified products.

Water that seeps into and through stucco as described above contains dissolved minerals from the stucco. Stucco wall covering method choices methods comparisons. On vertical surfaces and 100 sq. Their purpose is to provide design authoritys and contractors with a rust free damage resistant economical alternative to galvanized and aluminum accessories.

These kinds of joints normally handle the contraction of the mortar mix and minor expansion and contraction. The orientation of the construction vertical walls or. The proper use of contraction joints in stucco systems will depend on a number of variables including. Expansion joints will work to prevent this movement from damaging the stucco application avoiding unsightly cracks and damaging gaps.

From parking garages to hospitals schools shopping centers hotels airports etc balco s priority is. Stucco joints are commonly available as one piece or two piece joints. Pvc accessories for stucco plaster and modified stucco systems developed by plastic components inc. 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.

These products are manufactured with high impact resistant lead free pvc and conform to astm standards d1784 and c1063. 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. Many homes were built without stucco expansion joints.