Installing Cement Board Siding Over Foam

Foam and taped the seams in my warm dry climate.

Installing cement board siding over foam.

Fiber cement insulated vinyl. Installing fiber cement siding over rigid foam sheathing on my own home i have shot the hardi plank right through 1 1 2 foam into the framing w o any furring and using 16d hot dipped galvy s. We put 2 x 4 furring studs laid flat over the foam and attached to the wall studs with 1 5 inch foam between the furring studs rain screen over everything and finally the lp siding. Approach has demonstrated very good long term.

We recommend performing a small siding mockup prior to installation to ensure the fastening practice and or fastening tools are properly adjusted. We show z flashing below the first course of siding and we show perforated board wrapped with insect screening to allow air entry at. To siding 1 embedment 3 5 0 5 1 5 1 5. If the wood siding is beveled or lapped you will need vertical furring strips 16 inches apart covered with rigid foam board to provide a.

Installing foam board insulation under vinyl siding today more than ever before homes are being built with foam board insulation installed on the outside of the sheathing and under the siding. Easy to construct install low cost cladding attachment over thick exterior rigid insulation. This detail is used with both new construction and also with renovation work. Lightweight cladding systems over thick layers of insulation several decades.

Protect prefinished fiber cement board. Siding over rigid foam. Almost any type of siding can be installed over the rigid foam cedar or redwood planks exterior plywood sheets cement fiber board or vinyl siding are common options. Extra caution is necessary if power driven fasteners are used for attaching siding over foam sheathing make sure gun pressures are adequate to prevent overdriving fasteners.

Vinyl siding must be installed against a flat surface. A third party study by home innovations research labs spanning the course of over a year shows that fiber cement retained less moisture than products like stucco and manufactured stone but performed worse than brick vinyl siding and insulated vinyl siding. To protect the paint from getting scratched during installation leave the plastic on and make your cuts right through it. Peel away the plastic after the board has been fastened to the wall.

Prefinished fiberglass cement siding boards come with a protective plastic coating. In addition to religiously following. Below are some of the design details along with the benefits.