Exterior Wall Sheathing With Rigid Foam Insulation

Thermax sheathing is a non structural rigid board insulation consisting of a glass fiber infused polyisocyanurate foam core laminated between 1 0 mil smooth reflective aluminum facers on both sides.

Exterior wall sheathing with rigid foam insulation.

Indoors rigid foam is the material of choice on walls where the insulation will be touching masonry mostly this means the exterior walls in basement build outs except for daylight facing walls such as. Foamular insulating sheathing is xps insulation is used as sheathing over all exterior walls in wood or metal framing construction to create an effective insulating envelope over the entire structure. Foamular extruded polystyrene xps rigid foam insulation offers foamular extruded polystyrene xps rigid foam insulation offers a comprehensive line of products in a wide choice of sizes thicknesses and edges with a lifetime limited warranty for the life of the home or building. Updated on july 20 2015.

Featuring integrated moisture air and thermal protection zip system r sheathing completely reimagines traditional wall assemblies by streamlining exterior water air and thermal management. The products are easy to handle score cut and install and no special tools are needed. Continuous rigid insulation is a construction solution that provides a thermally efficient building enclosure. Zip system r sheathing is the simple all in one structural panel with built in exterior insulation.

The glass fiber reinforcement contributes to improved fire performance and dimensional stability. Rigid foam can be used as sheathing a continuous layer of insulation on wall exteriors attached before the installation of house wrap and siding. Because rigid foam plastic insulation products are not all aged in accordance with the same standards it is useful to publish comparison. Rigid foam board sheathing installation comes in at around 2 50 a square foot for material and labor costs.

Research by several teams has provided the critical scientific basis for acceptance of foam sheathing by the codes community and resulted in best practices for. Although gba has published many articles and videos on the topic we continue to receive frequent questions from readers asking how to install rigid foam sheathing on exterior walls so it s time to provide a primer on the topic. Rigid foam sheathing is a form of insulation continuous insulation to be exact that s applied to the exterior of the building. How to install foam board wall sheathing.

This makes installing 500sq ft. Of sheathing about 1 250 total with labor costing about 350 and the materials costing around 900. Insulated sheathing is one option for exterior walls. Building america ba has been advocating the use of rigid foam sheathing insulation for years as a means to improve the home s thermal envelope by increasing r value while minimizing thermal bridging in wood framed walls.

Rigid insulation sheathing is made of a rigid plastic foam that is typically sold in 4 8 or 4.