Replacing Rotted Masonite Siding

Many carolina homeowners are interested in replacing their rotten masonite siding with new hardie board siding or vinyl siding.

Replacing rotted masonite siding. If needed replace the sheathing behind the siding using 1 2 plywood covered with builder s felt or housewrap. Scrub the brush around the hole to dislodge dirt and debris. Pack wood putty into the hole using a trowel. Apply a drop or two of exterior caulk on the back of the replacement.

To catch the problem early keep looking for any discoloration in the siding. Level the wood. If the damage is caught early and only a small part of the siding is affected then only that part can be replaced. After you have the dimensions for the replacement use a utility knife to cut a fresh piece of masonite siding as per your specifications.

Remove the deteriorated hardboard siding using a pry bar and chisel being careful not to damage the good siding above it. Consider replacing rotted areas with fiber cement siding. How to remove and replace siding. However before hiring a contractor for siding replacement it is important to get a better understanding of what masonite siding is.

What is masonite siding and why was it discontinued. Remove the deteriorated hardboard siding using a pry bar and chisel being careful not to damage the good siding above it. If needed replace the sheathing behind the siding using 1 2 plywood covered with builder s felt or housewrap. Cut the fiber cement siding to length.

Masonite or hardboard siding was incredibly popular in the 80s through the 2000s. Scrub the surface of the rot or. How to repair masonite siding with putty step 1. Slightly overlap the putty onto the surrounding hardboard by 1.

As you can see in the example above the bottoms can swell due to moisture and the. Hammer down loose nails. Clean the hardboard with a stiff bristle brush. Scrape off flaking paint and debris from the damaged area using a paint scraper.

Scoop a golf ball sized. Just 20 years after its inception did it get discontinued due to its susceptibility to water damage and long term rot. However replacing the whole structure is pretty expensive. Thinner than most hardboard but it works in many cases has a comparable cost is highly rot resistant and carries a 50 year warranty.

If the nails do not stay put hammer additional 2 inch nails beside the original nail to. Replace the siding when the damage is large scale or beyond repair.