Structural Insulated Roof Panels R Value

Extruded polystyrene xps is type iv type x per astm c578 11.

Structural insulated roof panels r value.

When selecting an insulation product it is important to recognize that there is an individual r value of the material such as a roll of fiberglass batt or a sip panel. Expanded polystyrene with a stated r value of r 3 9 per inch at 75 f was tested at r 4 2 at per inch at 50 f and r 4 4 per inch at 25 f. Lightweight and easy to handle see why raycore s roof insulation panels are a no brainer for your next project. Raycore s structural insulated roof panels are the easiest quickest highest r value per inch.

Expanded polystyrene eps is type i per astm c578 11. Calculated r values for generic structural insulated panel sip including 7 16 oriented strand board osb on each side. Raycore s insulated roof panels and insulated wall panels are far superior than other sips with highest r value custom blend of polyurethane foam insulation wrapped in a foil radiant barrier and producing a superiorly strong lightweight do it yourself diy friendly sip panel. Build for the future with extreme s structural insulated panels sips the high thermal values and strength properties of extreme s sips are highly beneficial for roof construction.

The r value of each osb facing is r 0 55. New construction or adding insulation when replacing an existing roof. Then there is the r value of a whole wall or roof once the product is actually installed effective r value. Thermocore structural insulated panels are high quality foam core panels suitable for exterior wall and roof systems in residential and commercial applications.

More importantly because all types of sips have solid insulation completely enclosed with wood sheathing they are not subject to any convective currents like fiberglass insulation. Extreme s pre insulated sips offer an option for a high performance roof framing solution that is 15 times tighter than conventional construction practices making it easier to control indoor air environment.