How To Replace Rotted Masonite Siding

Fortunately you can repair masonite hardboard siding with wood putty.

How to replace rotted masonite siding.

One of the disadvantages of hardboard siding is that exposure to water can cause it to deteriorate over time. This inexpensive siding option made it a widely popular choice for homeowners from the 1980s to the mid 1990s. Hardboard siding also knows as pressboard masonite or hardboard siding is a synthetic home siding product composed of a mixture of wood fibers glues and resins all bound together using heat and pressure. How to repair masonite wood siding.

Step 2 pack wood putty into the hole using a trowel. Protect sound siding with a scrap piece of 1 4 in. If you can see black marks or streaks anywhere on your. Scrub the brush around the hole to dislodge dirt and debris.

Slightly overlap the putty onto the surrounding hardboard by 1 inch. To catch the problem early keep looking for any discoloration in the siding. Also to increase the longevity of masonite repaint it every few years. To learn how to repair wood siding remove rotted boards with a flat pry bar.

Pry off the rotted boards. This is much better than having to replace the whole siding altogether. However masonite siding is vulnerable to rot cracks insects fire fungus and insecticides due to which it softens over time making caulking some repair and repainting almost necessary. Discoloration signifies that the siding has begun to rot and decay.

Hardboard lap siding has been used on homes for years because it mimics the look of wood siding but is much less expensive. Rotten hardboard siding before replacement with fiber cement siding. Masonite siding damage occurs when water penetrates through seams joints and holes with improper caulk. Step 1 clean the hardboard with a stiff bristle brush.