Rigid Insulation With Plywood Sheathing

Omega ci is available in 4 x 8 sheets in 2 1 thickness contact laminators technical support for alternative thickness availability.

Rigid insulation with plywood sheathing.

For faced rigid insulation boards such as foil faced or glass fiber faced polyisocyanurate the permeance of the facing is often much lower than the permeance of the polyisocyanurate and will govern the overall permeability of the sheathing board. Omega ci is a rigid insulation panel comprising a closed cell polyiso foam core bonded to a premium performance coated glass backer and a 5 8 fire treated plywood face. Rockwool comfortboard 80 is a rigid mineral wool insulation sheathing board that is non combustible water repellent fire resistant and sound absorbent. 1 inch and 2 inch thicknesses are common.

For these products the permeance will not change with increasing thickness. Zip system r sheathing is the simple all in one structural panel with built in exterior insulation. Continuous rigid insulation is a construction solution that provides a thermally efficient building enclosure. Follow with a 2x4 frame wall and insulate it with batt insulation.

Plywood has an r value of 1 25 and fiberglass batts have an r value of 3 14. Insulated foam sheets are also used as an insulated sheathing underlayment for exterior siding. 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. The boards are available in several thicknesses and r values.

Rigid insulation sheathing is made of a rigid plastic foam that is typically sold in 4x8 or 4x10 foot boards. Johns manville r panel rigid roof insulation board offers r values of up to r 23 6 providing high thermal efficiency. A common choice is drywall. Featuring integrated moisture air and thermal protection zip system r sheathing completely reimagines traditional wall assemblies by streamlining exterior water air and thermal management.

R panel is manufactured with a closed cell polyisocyanurate foam core bonded to fiberglass reinforced facers and designed for use over metal nailable and non nailable roof decks with a variety of membrane systems. Comfortboard 80 is an exterior non structural insulation sheathing that provides a continuous layer of insulation around the commercial or residential building envelope. 3 benefits of rigid foam sheathing. More effective insulation with r values ranging from 3 6 to 8 0 rigid foam sheathing has much better insulation per inch than other materials i e.