Then there is the r value of a whole wall or roof once the product is actually installed effective r value.
Structural insulated roof panels r value.
Calculated r values for generic structural insulated panel sip including 7 16 oriented strand board osb on each side.
Expanded polystyrene eps is type i per astm c578 11.
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.
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.
New construction or adding insulation when replacing an existing roof.
Thermocore structural insulated panels are high quality foam core panels suitable for exterior wall and roof systems in residential and commercial applications.
Largest manufacturer and least expensive sip panels on the market.
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.
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.
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.
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.
The r value of each osb facing is r 0 55.
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.