How To Stucco Over Wood Siding

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.

How to stucco over wood siding.

Once the framework is laid your new siding can be installed in relatively normal fashion. Apply a scratch coat to. Follow with the three dimensional drainage mat and two more layers of paper or felt. Prior to installing the siding the window door and corner treatments must be secured to the furring strips using 1 2 inch to 3 4 inch wood screws.

Attach a metal lath as a base. Stucco application over wood. Follow the instructions on your pre mixed stucco package to. Stucco is a mixture of portland cement lime sand and water.

Mix your stucco in a wheelbarrow or barrel. The wood needs to be properly covered so it can support and take the weight. Cover the wood siding with roofing felt nailed in place with roofing nails. The plasterer will trowel a 3 8 inch layer of stucco on the wall.

Wait for the base coat to completely dry and apply a final coat of stucco using a trowel. Step 3 add a scratch coat. The first coat of stucco is called the scratch coat. Step 1 add felt.

Step 2 use netting. Then apply a thin layer of stucco to the wire mesh surface as a base for the final coat. Pre drill holes in the furring strips about 8 inches apart. Allow this base material to harden for one hour and scratch lightly with a plaster rake.

Although today s form of stucco is a bit more modern than what was used back then. Use 2 by 4 inch strips made from treated wood because stucco being a masonry product can absorb moisture and transfer it to the furring strips. You can t apply stucco directly on to the wood. A better solution is removing the sheathing placing lath or rigid foamboard insulation then housewrap then the wire bonding layer then the stucco.

Secure stucco mesh to your. In fact stucco was widely used in ancient greece over a 1 000 years ago and is still being used today. Step 4 cure. Lap or vinyl siding begins flush with the sill.

While holding the strip in place on the stucco wall insert concrete screws through the holes and into the stucco using a hammer drill. 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. Step 5 add a final coat. Placing stucco over wood sheathing is generally not considered good practice though an awful lot of contractors do it.