Expansion Joints Smooth Stucco Siding

These kinds of joints normally handle the contraction of the mortar mix and minor expansion and contraction.

Expansion joints smooth stucco siding.

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. On vertical surfaces and 100 sq. Control joints expansion and contraction shall be installed in walls to delineate areas not more than 144 sq. Water that seeps into and through stucco as described above contains dissolved minerals from the stucco.

Stucco wall covering method choices methods comparisons. 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. Their purpose is to provide design authoritys and contractors with a rust free damage resistant economical alternative to galvanized and aluminum accessories.

A one piece joint is typically classified as a control joint. Balco expansion joint systems and seismic joint covers are the vanguards of architecturally specified products. 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.

One piece joints. The proper use of contraction joints in stucco systems will depend on a number of variables including. 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. 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.

The orientation of the construction vertical walls or. The type of construction materials to which the stucco will be applied. 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. Shaped like a v or m it is usually fabricated with expanded flanges to increase bonding characteristic.

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. 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.