Attaching Siding To Rigid Insulation

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Attaching siding to rigid insulation. One new wrinkle for many builders is walls built with fiber insulation between the studs plus rigid foam insulation applied over the outside walls. Install continuous rigid foam insulation or insulated siding to help reduce thermal bridging through wood or metal framed exterior walls. Industry trend to using exterior rigid insulation increased thermal value condensation resistance increased air tightness possibly. How to install rigid foam under siding 1.

Strapping screwed or nailed to the framing through the foam will keep everything in place and provide a rain screen to help the siding stay dry. Set panels on the wall starting at one end of the house align the edges with the corner and bottom of the wall and. Install rigid foam over or in place of plywood osb or other wall sheathing. You ll need to properly flash window and door openings.

Attach the tongue and groove insulation boards to the concrete wall with adhesive. Measure the walls from top to bottom with a tape measure and buy either 4 by 8 foot or 4 by 9 foot sheets of rigid. Siding over rigid foam. The fastener must fully engage the framing or stud furring must attach to framing o transfer the frame layout directly from wall framing to each attachment of rigid foam insulation or o snap vertical chalk lines at each stud location after foam installation fasteners must be installed in a manner to avoid overdriving yet snug enough to remove gaps between the connected parts and maintain a planar non wavy surface for connection.

By installing rigid foam board insulation on the exterior walls you ll need to pay special attention to the details. Installing the siding may be the easy part. His solution seems to be that people should be focusing on first anchoring the furring strip through the rigid insulation and sheathing into the stud with one nail and then using a much shorter nail or screw to attach the cladding to the furring strip. Keep in mind that any interior rigid insulating panel must be covered by a barrier.

Install over a water resistant barrier. You ll need longer nails for nailing trim and siding. That would require a nail between 4 6 depending on the thickness of the rigid insulation.