Repair Wood Siding Dry Rot

Fixing decayed rotted wood using an epoxy penetrant and filler.

Repair wood siding dry rot.

A small easy to access area of wood dry rot will cost 100 to 300 to repair. Because wood rot occurs in damp areas that do not dry out it often goes undetected until a remodeling project exposes it. The wood siding must be at least 5 8 inches in thickness. Step 6 paint the replacement wood piece.

When you come across rotted wood in your old house projects instead of replacing the damaged wood you also can repair it with specialty epoxy penetrants also called consolidants and fillers to make repairs. Dry rot is a wood fungus that causes structural damage to timber. You ll need to scrape away the rotted wood which will take the rot causing fungus with it. Many people delay getting new wood siding when one or two boards are rotted out because it can be hard to match new materials to the wood species and the same look of the existing siding.

Use the same paint color of the existing wood planks to coat the new wood piece. If the dry rot extends deeper than 1 4 inch 0 64 cm boric acid won t have much of an effect. For an epoxy repair to be effective the freshly exposed wood has to be sound and dry less than 18 percent moisture content. How to repair old rotting wood trim or siding.

Wood dry rot repair prices. Other visible signs of dry rot include blistering cracked or peeling paint wood darker than surrounding areas and green algae on the wood. Tips and tricks for the best results. The following areas are the most likely spots for wood rot to get a foothold.

This will help protect the new wood plank from damage coming from weather elements such as rain and intense heat during summer. Remove rot softened wood photo by brian wilder. Easy instructions on replacing repairing rotten or damaged t1 11 siding on your house. Repairing siding dry rot typically costs around 1 000 but can run up to 2 500 the price increases for structurally significant areas such as floor joists which could cost 4 000 to 12 000 to replace.

However by waiting to replace the one or two rotten boards this problem can lead to more significant damage in time. After clawing out the loose stuff with a hammer stahl removes all the rot softened wood with a die grinder and core box router bit.