Structural Insulated Roof Panels R Value

Lightweight and easy to handle see why raycore s roof insulation panels are a no brainer for your next project.

Structural insulated roof panels r value.

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. Raycore s structural insulated roof panels are the easiest quickest highest r value per inch. 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. Thermocore structural insulated panels are high quality foam core panels suitable for exterior wall and roof systems in residential and commercial applications.

Expanded polystyrene eps is type i per astm c578 11. Extruded polystyrene xps is type iv type x per astm c578 11. Calculated r values for generic structural insulated panel sip including 7 16 oriented strand board osb on each side. Designed to enclose timber frame structures log structures and conventional buildings this one piece product is completely structural and can substitute for conventional framing in most applications.

The most affordable sip panel solution on the market. 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. New construction or adding insulation when replacing an existing roof. 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.

The r value of each osb facing is r 0 55. Then there is the r value of a whole wall or roof once the product is actually installed effective r value.