How To Patch Fiberboard Siding

How to repair cracks in fiber cement siding step 1.

How to patch fiberboard siding. Repair or patching fiber cement board siding dents chips cracks and other minor surface damage in james hardie siding and trim products can be filled with cementitious patching compound. Blind nail the fiber cement siding in place starting with the bottom piece. Allow the primer to dry. This is especially important when trying to fix a desk or other type of furniture but not for fixing floors and walls.

Another plus is that fiber cement can be brought closer to the ground than the 8 inch minimum i give hardboard. How to repair medium density fiberboard step 1. Use only as much water as the manufacturer recommends. Finally force the pieces together so they get the best fit and so the glue sets quickly.

Cut the fiber cement siding to length wear approved dust protection. Remove any nails from the top piece of good siding. Remove dust or small particles by vacuuming the surface. Face nail the top.

When the new siding has been painted two coats of top quality acrylic latex over a primer the repair is hard to spot. The hole size diameter is that of a cable line. Mix a solution of 1 2 cup trisodium phosphate and 1 gallon of water. Use a pry bar to remove the damaged siding.

I have a hole in the siding of my home. Put on a pair of rubber gloves. Using a stiff brush mix the patch material specifically intended for fiber cement following the manufacturer s directions carefully. Use a plastic putty knife to apply the patching material to the damaged area filling in the area and shaping the patch to match the original contours of the siding.

Use tape to secure heavier chunks to the particleboard. I want to patch the hole if possible. I really do not want to replace the board. Mix the latex modified cementitious patching compound in a small bucket according to the manufacturer s.

Keep in mind that the patching will be obvious whether or not you paint over it so this is the best solution if the cracks and holes are in out of the way places that aren t readily noticeable. Refer to manufacturer recommendations for products that are compatible with fiber cement. Use a cloth that is lightly moistened with warm water. Wait several minutes for the wood glue to get tacky and press the piece in place.

A cable line was run through the siding when the previous home owners lived there but the cable line is no longer there. The siding is hardiplank fiber cement. Lightly brush a water based or oil based paint primer onto the damaged surface. If you have some small cracks and holes in your siding you can fill them in with patching material specifically designed for this purpose available at your local hardware store.