Fiber Cement Siding Over Concrete Block Insulation

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.

Fiber cement siding over concrete block insulation.

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. Hardieplank lap siding 6 clearance to grade trim refer to ner 405. Siding fastener length cmu wall spaced 16 or 24 o c. Though generally used over wooden house sheathing you can mount your hardiplank siding over brick with only few preparatory steps.

Prefabricated fiber cement siding provides several pros and cons when applied as an exterior finish to icf. And other non nailable substrates e g. Hardiplank is a fiber cement siding made for exterior use to cover a structure in a long lasting sheathing. Current pneumatic nailers have maximum fastener lengths.

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. Fiber cement siding stands up to wind rain hail fire insects and even hurricane level storms. Cement concrete block concrete forms. One new wrinkle for many builders is walls built with fiber insulation between the studs plus rigid foam.

Siding over rigid foam exteriors. My current question concerns insulating the exterior walls. 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 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. Wood fiber cement or plywood siding should not be installed directly over the foam writes senior editor martin holladay. Minimum nail length must accommodate sheathing and penetrate framing a minimum 1 inches.

I m planning an extensive renovation of a 1950s cinder block home in central florida. Screw the strapping through the foam to the studs. Method 1 over furring.