Let each individual layer thoroughly dry before applying the next layer.
Repair hardboard siding before paint.
Our page top photo shows loose and improperly installed fiber cement siding on.
Apply 2 layers of acrylic latex primer using a paintbrush.
If needed replace the sheathing behind the siding using 1 2 plywood covered with builder s felt or housewrap.
Use sandpaper to smooth and even the entire hardboard siding surface.
Wood siding has always been one of the most popular choices because of the warm and natural appearance it gives a home.
Thoroughly paint all exposed edges and grooves.
1 scrape all loose paint from around the area to be repaired using a paint scraper or putty.
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.
Apply the wood putty in layers when filling holes exceeding 1cm.
Wash down the entire hardboard siding with water containing mild detergent and allow the siding to dry completely.
Recognized for its density strength and traditional wood appearance masonite hardboard is a partially synthetic alternative to solid wood.
The guide below outlines how you can go about repair.
Remove the deteriorated hardboard siding using a pry bar and chisel being careful not to damage the good siding above it.
Fiber cement board lap siding repair guide.
Do not drive the nails flush or countersink them.
The best filler for your siding is a two part epoxy product that cures to a rock hard consistency.
Caulk any nailheads that break the paper face.
Prime the back and edges of the new siding.
The heads will break the paper face allowing water to soak in and deteriorate the siding.
When the new siding has been painted two coats of top quality acrylic latex over a primer the repair is hard to spot.
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.
Begin painting the siding by applying acrylic latex primer.
It is also one of the easier siding materials to install and repair.
Make your repair last.