Fill small holes with steel wool. Put caulk around the steel wool to keep it in place. Use lath screen or lath metal, cement, hardware cloth, or metal sheeting to fix large holes. These materials can be found at your local hardware store.
Do they make an exterior spackle?
DAP Platinum Patch 16 oz. Advanced Exterior Spackling Paste-18741 - The Home Depot.
Is spackling waterproof?
Painters use caulk and spackling compound to fill gaps and holes, but that's about all these two materials have in common. Whereas caulk is a flexible coating that resists moisture, spackling compound dries hard and isn't water-resistant.
Can Platinum patch be stained?
Staining is not recommended. Not for continuous underwater use.2 Nov 2017
How do you repair cracks in cement board siding?
To repair hole in fiber cement siding there is a special putty that can be used as a patch. This putty should be included in every fiber cement repair kit. The patch is mixed, formed, and spread to match the contours of the board. You then let the patch dry and sand it to blend into the surrounding parts of the plank.
How do you fix a cracked Hardie board?
Hardie board siding usually cracks due to poor installation. The original installer might have accidentally installed a nail too close to the edge of the siding, causing a crack. You can easily fix it by cleaning it and then using caulk to patch the gap.