How To Repair Rotten Masonite Siding Around Window

Locate and cut the damage.

How to repair rotten masonite siding around window.

In order to go about your repair project effectively mark out the area that has been damaged. On discovering any of these problems fix it before it escalates out of hand. Step 1 clean the hardboard with a stiff bristle brush. Fortunately you can repair masonite hardboard siding with wood putty.

Here are a few tips on how to repair masonite siding. Nail it to the sidewall or glue it if nailing isn t possible. The client here was told by several contractors that his masonite siding was defective and needed to be re. Lift the bottom shingle and slip in the kickout flashing.

Once the identification has been done use a utility knife to cut through the damaged siding as accurately as possible. Most small spots can simply be scraped out and filled with epoxy. 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. Slip in the flashing.

To deal with extensive rot around the sill or trim remove the entire section then cut a new piece to go in its place. Promptly repair holes in masonite hardboard to prevent moisture from further permeating the siding and compromising its structural integrity. If there s damage to the sash itself your best bet is to have it rebuilt by a specialty contractor to ensure that the job gets done right. Scrape off flaking paint and debris from the damaged area using a paint scraper.

Scrub the surface of the rot or damage with a wire brush to remove loose fibers and soft spots. Here s another typical handyandy exterior project. Use a pencil to clearly identify the area. Then apply some primer over the affected area.