Though it is a tough wearing product the surface of the siding can sometimes be damaged during installation by unusual wear or by impact.
Patching fiberboard siding.
Use a cloth that is lightly moistened with warm water.
Cut the fiber cement siding to length wear approved dust protection.
Particleboard is a low density form of fiberboard that is constructed from scraps of wood sawdust and paper products with a binder added.
Face nail the top.
Lightly brush a water based or oil based paint primer onto the damaged surface.
Refer to manufacturer recommendations for products that are compatible with fiber cement.
Any product intended for interior use will crack and wash out in short order.
Effort in frustration because the siding scheisters have drowned out any meaningful search results.
Allow the primer to dry.
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.
Make sure that the siding is completely dry from the washing and that the caulk and patches are dry too.
If your exterior siding has sustained damage you can patch it with filler but it has to be the right kind of filler.
Remove any nails from the top piece of good siding.
How to repair medium density fiberboard step 1.
When the new siding has been painted two coats of top quality acrylic latex over a primer the repair is hard to spot.
Re applying caulking when it has begun to show signs of wear can help keep moisture from getting into the wall cavity.
These areas include but not limited to penetrations flashings plank and trim connections and in some cases between plank joints.
Blind nail the fiber cement siding in place starting with the bottom piece.
Years ago this material was flimsy and broke easily.
Anyway i don 39 t want to or need to re side the whole back of the house and i don 39 t really want to remove a 8 foot board to repair a 1 2 inch on the edge or even 2 inches on the edge or one soggy spot near an overdriven nail head.
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.
Use a pry bar to remove the damaged siding.
Depending on the size of your house you may need a ladder to reach the area of siding near the roof.
Remove dust or small particles by vacuuming the surface.
The james hardie company makers of hardieplank recommends the use of a cement patch product made of an acrylic mortar compound for patching their siding products.
Use only completely acrylic paint and apply with rollers.
This mixture is then pressed into a form and particleboard is the finished result.
