Exterior Rigid Insulation Board

Rigid foam sheathing is a form of insulation continuous insulation to be exact that s applied to the exterior of the building.

Exterior rigid insulation board.

1 inch and 2 inch thicknesses are common. Follow with a 2x4 frame wall and insulate it with batt insulation. Owens corning foamular 250 extruded polystyrene xps rigid foam insulation is a closed cell highly moisture resistant rigid foam board well suited to meet the needs for a wide variety of residential and commercial construction applications. Owens corning foamular 150 1 in.

This foam board insulation is available with straight or tongue and groove edges to help limit air movement. For new construction use rigid boards to insulate slabs and the outside of foundation walls. Thermax sheathing is a former product of the dow chemical company. Rigid insulation sheathing is made of a rigid plastic foam that is typically sold in 4 8 or 4 10 foot boards.

This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses. 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. It is denser than eps and provides more r value with a rating of 5 per inch of thickness. There are a few different types of rigid foam insulation including expanded and extruded polystyrene insulation.

Expanded or styrofoam insulation is a budget friendly option while extruded insulation has great water resistance and is ideal for use in areas like crawl spaces. Attach the tongue and groove insulation boards to the concrete wall with adhesive. Foamular 250 product data sheet pdf 1 45 mb. The boards are available in several thicknesses and r values.

Rockwool comfortboard 80 is a rigid mineral wool insulation sheathing board that is non combustible water repellent fire resistant and sound absorbent. Continuous rigid insulation is a construction solution that provides a thermally efficient building enclosure. R 5 scored square edge rigid foam board insulation sheathing model 20we view the owens corning exterior insulation 18 98 18 98. The glass fiber reinforcement contributes to improved fire performance and dimensional stability.

Use a premade kit for this type of project. In its guide to insulating sheathing bsc describes the use of exterior rigid insulation board in the enclosure assembly to act not only as insulation but also as the primary sheathing and in certain areas as the drainage plane and vapor control layer for the wall assembly see exterior sheathing profiles diagram. Dupont thermax ci exterior foam insulation is a rigid board insulation consisting of a glass fiber reinforced polyisocyanurate foam core faced with nominal 1 25 mil embossed blue thermoset coated aluminum on one side and 0 9 mil smooth reflective aluminum on the other. For a basement remodeling project consider insulating basement walls with foam board.