Fiber Cement Siding Over Concrete Block Insulation

Screw the strapping through the foam to the studs.

Fiber cement siding over concrete block insulation.

I wouldn t hesitate to install 1 3 or 2 4 horizontal strapping 24 inches on center on top of the foam holladay recommends. I ve looked at a lot of the material on building science and would like to. Fiber cement siding comes in many colors and textures including some that mimic wood shingles. My current question concerns insulating the exterior walls.

Hardieplank lap siding 6 clearance to grade trim refer to ner 405. Fiber cement siding stands up to wind rain hail fire insects and even hurricane level storms. I m planning an extensive renovation of a 1950s cinder block home in central florida. Method 1 james hardie siding installed directly over continuous insulation c i and other non nailable substrates e g.

Gypsum sheathing with combined thickness of 1 inch or less method 2 james hardie siding installed to furring strips that are attached through the c i. A third party life cycle assessment found that insulated vinyl siding has a lower overall environmental impact than fiber cement second only to traditional vinyl siding and cedar. Wood fiber cement or plywood siding should not be installed directly over the foam writes senior editor martin holladay. Starter strip hardieplank lap siding nailed directly to block walls trim cmu wall 6 clearance to grade refer to table on next page for fastener type and fastener spacing.

Method 1 over furring. Prefabricated fiber cement siding provides several pros and cons when applied as an exterior finish to icf. And other non nailable substrates e g. Minimum nail length must accommodate sheathing and penetrate framing a minimum 1 inches.

Insulated vinyl siding is made of rigid contoured insulation permanently adhered to vinyl siding while fiber cement siding is made from a mixture of sand cement and cellulose fibers. Cement concrete block concrete forms. Cladding attachment over thick exterior rigid insulation background current building code does provide prescriptive means to attach cladding over exterior insulation table r704 3 note v. I ll be taking off the roof and taking down all the interior walls leaving a bare uninsulated concrete block wall with no finishes either on the inside or outside.

Current pneumatic nailers have maximum fastener lengths. Siding fastener length cmu wall spaced 16 or 24 o c. Siding over rigid foam exteriors.