Sip Roof Insulation Per Inch

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.

Sip roof insulation per inch.

It provides r values that range from 3 6 to 4 2 per inch. The structural insulated roof panels are available in 8 10 and 12 lengths. The most versatile of the three rigid insulation options used in roof wall floor below grade structural geofoam applications used most widely in insulated concrete forms and structural insulated panels highest average r value per dollar about 4 6 r per inch costs the least while meeting or exceeding all required building. Also called styrofoam insulation this is the least expensive material.

Largest manufacturer and least expensive sip panels on the market. The least expensive per r value inch sips panel on the market. Extruded polystyrene xps is type iv type x per astm c578 11. We use 6 1 2 thick r 41 panels composed of a 5 1 2 polyurethane core sandwiched between two sheets of 1 2 osb.

9 10 and 12 lengths. 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. 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. Expanded polystyrene eps is type i per astm c578 11.

The pitch of the roof is very low only 1 2 inch in 12 and the metal roofing has been applied directly over the sips with no air channel beneath the roofing for ventilation. Calculating panels in an efficient. Not if you build with raycore structural insulated panels. Calculated r values for generic structural insulated panel sip including 7 16 oriented strand board osb on each side.

The r value of each osb facing is r 0 55. We use murus polyurethane sips because they have an impressive aged r value of 6 76 per inch which is the highest r value per inch of any consumer insulation available. 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. Matt melton lives in central washington state in a 3 year old house with a roof made of structural insulated panels sips that are 12 1 4 inches thick.

Least expensive highest r value and most reliable sip panel on the market. Some products have reinforced facing to make them sturdier. In contrast the rigid foam insulation used in sips actually performs better in colder temperatures.