Repair Hardboard Siding Before Paint

If needed replace the sheathing behind the siding using 1 2 plywood covered with builder s felt or housewrap.

Repair hardboard siding before paint. Thoroughly paint all exposed edges and grooves. The wood grain pattern on the fiber cement siding is often a perfect match with existing hardboard although it s not as good a match with real rough sawn wood. Our page top photo shows loose and improperly installed fiber cement siding on. The heads will break the paper face allowing water to soak in and deteriorate the siding.

Do not drive the nails flush or countersink them. 1 scrape all loose paint from around the area to be repaired using a paint scraper or putty. Recognized for its density strength and traditional wood appearance masonite hardboard is a partially synthetic alternative to solid wood. Let each individual layer thoroughly dry before applying the next layer.

The best filler for your siding is a two part epoxy product that cures to a rock hard consistency. Begin painting the siding by applying acrylic latex primer. When the new siding has been painted two coats of top quality acrylic latex over a primer the repair is hard to spot. Apply 2 layers of acrylic latex primer using a paintbrush.

Caulk any nailheads that break the paper face. Use sandpaper to smooth and even the entire hardboard siding surface. Make your repair last. Remove the deteriorated hardboard siding using a pry bar and chisel being careful not to damage the good siding above it.

Apply the wood putty in layers when filling holes exceeding 1cm. Prime the back and edges of the new siding. With wood siding the repair is usually necessitated by chips cracks holes warp or rot in the wood. Wood siding has always been one of the most popular choices because of the warm and natural appearance it gives a home.

Wash down the entire hardboard siding with water containing mild detergent and allow the siding to dry completely. Repair masonite hardboard siding using basic supplies like this trowel. Fiber cement board lap siding repair guide. Usually the bottom strips or panels of defective masonite siding show the most damage and you can replace these with hardboard siding of the same dimensions before painting all the siding to.