Attaching Siding To Rigid Insulation
Install continuous rigid foam insulation or insulated siding to help reduce thermal bridging through wood or metal framed exterior walls.
Attaching siding to rigid insulation. Industry trend to using exterior rigid insulation increased thermal value condensation resistance increased air tightness possibly. 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. 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. 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. Follow with a 2x4 frame wall and insulate it with batt insulation. You ll need longer nails for nailing trim and siding. It adds up to a.
Installing the siding may be the easy part. You ll need to properly flash window and door openings. Attach cladding over exterior insulation table r704 3. One new wrinkle for many builders is walls built with fiber insulation between the studs plus rigid foam insulation applied over the outside walls.
Keep in mind that any interior rigid insulating panel must be covered by a barrier. Attach the tongue and groove insulation boards to the concrete wall with adhesive. That would require a nail between 4 6 depending on the thickness of the rigid insulation. How to install rigid foam under siding 1.
Install over a water resistant barrier. Set panels on the wall starting at one end of the house align the edges with the corner and bottom of the wall and. By installing rigid foam board insulation on the exterior walls you ll need to pay special attention to the details.