How To Repair Rotten Masonite Siding Around Window

If the kick out and step flashing can t tuck behind the siding screw on cap flashing to cover it then caulk along the top.

How to repair rotten masonite siding around window.

Fortunately you can repair masonite hardboard siding with wood putty. Lift the bottom shingle and slip in the kickout flashing. Scrub the surface of the rot or damage with a wire brush to remove loose fibers and soft spots. On discovering any of these problems fix it before it escalates out of hand.

Cover with cap flashing. The good news is that replacing the wood around a window doesn t have to be an expensive or complicated fix. Step 1 clean the hardboard with a stiff bristle brush. Once the identification has been done use a utility knife to cut through the damaged siding as accurately as possible.

Then apply some primer over the affected area. Slip in the flashing. Here are a few tips on how to repair masonite siding. Nail it to the sidewall or glue it if nailing isn t possible.

To deal with extensive rot around the sill or trim remove the entire section then cut a new piece to go in its place. Use a pencil to clearly identify the area. In order to go about your repair project effectively mark out the area that has been damaged. The client here was told by several contractors that his masonite siding was defective and needed to be re.

Here s another typical handyandy exterior project. If the masonite is already compromised scrape off the area in consideration. Scrape off flaking paint and debris from the damaged area using a paint scraper. Promptly repair holes in masonite hardboard to prevent moisture from further permeating the siding and compromising its structural integrity.