Fiber Cement Siding Gaps

While a paint job on fiber cement siding lasts longer than wood usually anywhere between five to fifteen years it will eventually need to be redone.

Fiber cement siding gaps.

When james hardie siding products butt into wood based materials a 1 8 gap will allow for expansion and contraction of the wood based product. Absorptive claddings like fiber cement can hold moisture leading to panel damage rot and even mold problems. There s no doubt that removing entire sections of board risks damage to corresponding areas but in many ways it s the only tried and true way of how to repair cracked fiber cement siding. You will have to repaint it eventually.

Most fiber cement manufacturers make mounting blocks for lights electrical receptacles a c lines pvc venting etc. James hardie recommends the use of caulks and sealants that remain permanently flexible. 7 inch wide smooth lap siding primed about 1 50 per square foot picking the right siding for your house is a delicate balancing act between good looks durability maintenance and affordability. Weatherside fiber cement siding is the one and weatherside fiber cement siding is the one and only solution for replacing or repairing old asbestos siding shingles.

It is critical that all installation steps are very carefully followed by a professional to ensure all penetrations and gaps are properly treated with the appropriate paint or caulk to protect the panels from moisture infiltration. Siding butt joint treatment. When installing fiber cement siding be sure to leave at least clear space between the siding and the flashing vertical siding should be installed and attached to the structural framing when a non structural sheathing gypsum board or foam type sheathing are used. Fixing holes in fiber cement.

Fiber cement must be repainted. Unlike vinyl aluminum and other siding materials if you choose to install fiber cement cladding be prepared. Use some touch up paint to cover up these face nails and then re caulk any gaps to completely repair fiber cement lap siding. They re cheaper and easy to install and you can cut the proper size hole in a plastic mounting block with a utility knife or a snips.

Both certainteed and jameshardie as of september 2008 have made clear that siding butt joint gaps should never be made that is. Fiber cement siding tolerances and gaps. The siding on this gothic revival style home looks like wood clapboard but it s actually fiber cement painted a custom color. Jaime prefers to use the vinyl mounting blocks typically used with vinyl siding.

This article series includes field reports of fiber cement board lap siding butt joint gap problems fiber cement moisture problems and other fiber cement lap siding installation or in service defects their diagnosis repair.