How To Repair Rotten Masonite Siding Around Window

Locate and cut the damage.

How to repair rotten masonite siding around window.

Step 1 clean the hardboard with a stiff bristle brush. In order to go about your repair project effectively mark out the area that has been damaged. Here s another typical handyandy exterior project. Nail it to the sidewall or glue it if nailing isn t possible.

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. 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. On discovering any of these problems fix it before it escalates out of hand. Scrape off flaking paint and debris from the damaged area using a paint scraper.

If the masonite is already compromised scrape off the area in consideration. Lift the bottom shingle and slip in the kickout flashing. The client here was told by several contractors that his masonite siding was defective and needed to be re. Cover with cap flashing.

Use a pencil to clearly identify the area. Most small spots can simply be scraped out and filled with epoxy. Here are a few tips on how to repair masonite siding. Fortunately you can repair masonite hardboard siding with wood putty.

Then apply some primer over the affected area. 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. The good news is that replacing the wood around a window doesn t have to be an expensive or complicated fix.