Fiber Cement Siding Over Concrete Block Insulation

Siding fastener length cmu wall spaced 16 or 24 o c.

Fiber cement siding over concrete block insulation.

Fiber cement siding comes in many colors and textures including some that mimic wood shingles. 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. Method 1 over furring. Wood fiber cement or plywood siding should not be installed directly over the foam writes senior editor martin holladay.

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. I m planning an extensive renovation of a 1950s cinder block home in central florida. I wouldn t hesitate to install 1 3 or 2 4 horizontal strapping 24 inches on center on top of the foam holladay recommends. Though generally used over wooden house sheathing you can mount your hardiplank siding over brick with only few preparatory steps.

And other non nailable substrates e g. I ve looked at a lot of the material on building science and would like to. Siding over rigid foam exteriors. Cement concrete block concrete forms.

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. 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. Hardiplank is a fiber cement siding made for exterior use to cover a structure in a long lasting sheathing. Hardieplank lap siding 6 clearance to grade trim refer to ner 405.

My current question concerns insulating the exterior walls. Current pneumatic nailers have maximum fastener lengths. Prefabricated fiber cement siding provides several pros and cons when applied as an exterior finish to icf. Screw the strapping through the foam to the studs.

Method 1 james hardie siding installed directly over continuous insulation c i and other non nailable substrates e g. One new wrinkle for many builders is walls built with fiber insulation between the studs plus rigid foam. 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.