Exterior Fiber Cement Siding Wall Insulation

Nfpa 285 compliant wall assemblies.

Exterior fiber cement siding wall insulation.

Exterior insulation and finish systems eifs with drainage. I m planning an extensive renovation of a 1950s cinder block home in central florida. Pft is a manufacturer of foam insulation products for home exterior siding applications and is the inventor of insulated vinyl siding. Current pneumatic nailers have maximum fastener lengths.

Cementitious coating stucco either reinforced with fiber or installed over fiberglass mesh or installed over metal lath. The advantages are plenty here panels are between 4 5 inches and 8 inches thick the exterior insulation is continuous and they can be attached with 6 inch 10 screws from 4 to 6 inches long. An integrally reinforced base coat and a textured protective finish coat. 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.

Structural exterior wall sheathing ties framing studs together making the walls resistant to twisting and bending. Exterior wall sheathing is either structural or non structural. 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. Here are your options for protecting the above grade portions of exterior foundation wall insulation.

9 minimum 4 inch thick concrete masonry cmu with maximum 2 inch air gap between the exterior insulation and the cmu 10 fiber cement siding or fiber cement panels using any standard installation technique. I ve looked at a lot of the material on building science and would like to. Having a central screw that attaches the panel to the wall and a separate screw attaching exterior furring strips to the rail breaks the thermal bridge. Fiber cement and vinyl r values fiber cement siding doesn t add much insulation to your wall system measuring in at a mere r 0 50.

Fiber cement siding complying with section 1404 10 shall be permitted on exterior walls of type i ii iii iv and v construction for wind pressure resistance or wind speed exposures as indicated by the manufacturer s listing and label and approved installation instructions. Minimum nail length must accommodate sheathing and penetrate framing a minimum 1 inches. That s a little less than you ll get from vinyl siding which is. Eifs are nonstructural nonload bearing exterior wall cladding systems that consist of an insulation board attached either adhesively or mechanically or both to the substrate.