How To Stucco Over Wood Siding

You then apply three separate coats respectively called the scratch coat the brown coat and the color coat.

How to stucco over wood siding.

Applying stucco to plywood siding. Plywood and stucco are two of the staples of home construction but when used incorrectly they can work against each other. The wood needs to be properly covered so it can support and take the weight of the mortar used for stucco. Step 1 attach a metal lath as a base.

Stucco adorns the facade or interior walls in many homes. For homes with stucco exteriors a framework of wood furring strips must first be installed to create a level surface which suspends the outer layer of siding over the inner layer so that water cannot settle between the two and cause rot and erosion. 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. Be certain to follow them for the best results.

New siding can be installed over existing exterior coverings in some cases. This is especially true in climates. Google the following search term for more info on the issue stucco over wood siding. You can change the appearance of the stucco wall surface by covering it with a wall of siding.

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. Step 1 add felt. Allow this base material to harden for one hour and scratch lightly with a plaster rake. To install siding over the stucco you ll have to first attach furring strips to the exterior walls.

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. 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. 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. Cover the wood siding with roofing felt nailed in place with roofing nails.

How to install siding over stucco walls. You can apply stucco over wood sheathing masonry or brick. For stucco application over wood there are a number of stages to a successful stucco application. You can t apply stucco directly on to the wood.