Greenguard Siding Underlayment R Value

Nominal thickness in 3 8.

Greenguard siding underlayment r value.

Nominal width ft 4. The r value of this product installed without an air space is 0 9. Made of extruded polystyrene xps our underlayments provide superior moisture resistance and are perforated to allow moisture vapor to escape. Where you live 4.

Greenguard xp38 xfp38 fanfold underlayment. For the best fanfold siding underlayment available choose the xp series. Water vapor permeance perm astm e 96 desiccant method 1 7. They do not absorb water are not a food source for mold and are not subject to moisture related damage and deterioration.

Made of extruded polystyrene xps our underlayments provide superior moisture resistance and are perforated to allow moisture vapor to escape. Greenguard is the nation s leading brand of siding underlayments. They do not absorb water are not a food source for mold and are not subject to moisture related damage and deterioration. Greenguard xp38 siding underlayment.

The extruded polystyrene xps foam offers superior stiffness so your siding job has the smoothest finish possible. Kingspan greenguard xp series siding underlayment thickness state city heating degree days cooling degree days 1 4 3 8 1 4 3 8 1 4 3 8 1 4 3 8 ga savannah 1847 2365 248 301 75 95 175 212 53 67 ia des moines 6497 1036 564 687 172 215 307 374 93 117 id boise 5861 754 488 594 149 186. Nominal length ft 50. 3 system r value is calculated in accordance with the ashrae handbook of fundamentals using a uniform parallel dead air space.

Kingspan greenguard xfp38 siding underlayment reflective surface 1 side. By volume astm c 272.