Installing Fiber Cement Siding Over Concrete

Fiber cement siding tolerances and gaps.

Installing fiber cement siding over concrete.

Fiberglass cement siding is a composite made of portland cement silica and wood fiber. Fiber cement trim board is available in varying sizes from 7 16 inch to one inch. Although the process of installing vinyl siding is relatively simple it helps to have assistance. Though generally used over wooden house sheathing you can mount your hardiplank siding over brick with only few preparatory steps.

Installing vinyl siding over concrete is similar to installing it over wood since you have to install wooden furring strips under the siding. Installing fiber cement siding fcs such as hardieplank is easier than you might think though there are some important differences from traditional wood siding. If you re hanging fiber cement siding you ll typically use fiber cement trim from the same manufacturer on areas like inward and outward corners. Installation instructions may vary depending on the manufacturer and check with your local building inspector for any code requirements.

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. As seen in this video there are very precise steps you need to take to install the siding properly. In many ways installing fiber cement siding is similar to installing wood siding but there are some differences that need to be addressed in order for it to be installed properly. Once cut to length minus the recommended wiggle room attach each trim piece by driving nails through it the house wrap and the sheathing and into wood framing.

This old house general contractor tom silva shares his secrets for working with fiber cement siding. Vinyl corner trims are also compatible with fiber cement siding. Hardiplank is a fiber cement siding made for exterior use to cover a structure in a long lasting sheathing. When installing fiber cement siding over foam insulation board as on an insulating concrete form icf house exercise caution to ensure proper installation.

Vinyl siding can give an ordinary concrete home an appealing polished look and update its appearance.