How to repair masonite siding with putty.
How to repair water damaged masonite siding.
Once the identification has been done use a utility knife to cut through the damaged siding as accurately as possible.
In most cases the original layer of building paper or housewrap at the bottom of the wall was enough to prevent water infiltration and damage beneath the siding.
The sheathing and framing sometimes need repairs too but that is less common.
Scrape off flaking paint and debris from the damaged area using a paint scraper.
Scrub the brush around the hole to dislodge dirt and debris.
We tear off the damaged hardboard and replace it with fiber cement siding.
Remove the damaged area.
Clean the hardboard with a stiff bristle brush.
Here are a few tips on how to repair masonite siding.
The repair is simple if you follow the details in the illustration above.
If the masonite is already compromised scrape off the area in consideration.
Locate and cut the damage.
Then apply some primer over the affected area.
Slightly overlap the putty onto the surrounding hardboard by 1 inch.
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.