How To Stucco Over Wood Siding

Since stucco is usually applied in three layers over a metal reinforcing mesh you often end up with a one inch layer of stucco which could effectively add a one hour fire rating.

How to stucco over wood siding.

Plywood and stucco are two of the staples of home construction but when used incorrectly they can work against each other. This is especially true in climates. Applying stucco to plywood siding. How to install siding over stucco walls.

Before applying stucco over wood you will need to attach a layer of roofing felt to the surface followed by a sheet of wire mesh then apply a thin layer of stucco to the wire mesh surface as a base for the final coat. Be certain to follow them for the best results. On top of this add a layer of metal netting also attached with nails. Allow this base material to harden for one hour and scratch lightly with a plaster rake.

Google the following search term for more info on the issue stucco over wood siding. You can t apply stucco directly on to the wood. Step 1 attach a metal lath as a base. For stucco application over wood there are a number of stages to a successful stucco application.

Cover the wood siding with roofing felt nailed in place with roofing nails. Step 1 add felt. Another problem with adding stucco over existing siding or exterior finish sheathing like t 111 is you are adding about 3 4 1 inch new thickness which then sticks out beyond your window and door frames causing sealing and drainage and aesthetic issues. New siding can be installed over existing exterior coverings in some cases.

Applying stucco over your existing wood siding is a great way to cover up wood that is looking old and worn or simply to give your home a new look. You can change the appearance of the stucco wall surface by covering it with a wall of siding. Prep the wall to keep bits of stucco from falling between the new siding and the old stucco scrape away loose or crumbling debris from cracks in the stucco and roughly patch the cracks with mortar. You then apply three separate coats respectively called the scratch coat the brown coat and the color coat.

You can apply stucco over wood sheathing masonry or brick. In fact stucco makes a great building surface that is durable fire resistant and can be applied to just about any surface whether it be brick wood or concrete. When applying it over sheathing you first must cover the wood with a double layer of grade d waterproof building paper and then fasten metal lath to the structure to support the stucco. To install siding over the stucco you ll have to first attach furring strips to the exterior walls.