Filling Holes In Exterior Walls

Fixing small holes in stucco here is how to repair a small hole less than 6 inches wide.

Filling holes in exterior walls.

Wet the wall and apply patches of plaster undercoat each side of the corner using a plasterer s trowel. For the exterior i either use sealant or external grade filler that won t crack shrink for slightly larger holes. You can also blow compressed air into the hole to remove the dust. I m going to show you how to use expanding foam filler to fill deep holes or gaps in walls.

The polyfill expanding foam filler can expand to twice it s size. The acrylic paint last years in the tube unlike coloured sealants fillers. An ideal patch to use for both purposes is hydraulic cement which expands to fill cracks and holes as it dries. To repair a small hole in stucco you will basically want to clean the hole with a small wire brush and then blow out the hole using compressed air or by blowing into the hole.

If the hole is too small for a brush use an awl or nailset to scrape out any loose material. Filling cracks and holes with caulk in your home s trim and siding before painting not only makes the paint job look better but also makes the paint last longer. You will then apply caulking into the hole polyurethane is recommended. Remove loose material from the hole in the wall by probing it with the tip of a.

Fill larger voids with the foam sealant then apply the cement to provide a natural finish to the surface. Brush the surface and inside of the hole with a stiff wire brush to remove loose bits of mortar. The process at a glance. Step 2 press the beading into position allowing the plaster to squeeze through the mesh.

However i also mix in a little acrylic colour i ve bought that s a good match to the brick. Sweep the surface and inside of the hole with a paintbrush or small broom to remove the dust. 1 use a stiff brush to clean out the hole. Use a combination of foam sealant and cement stucco to fill large gaps and voids.

Build up the undercoat plaster then scrape it back.