Greenguard Siding Underlayment R Value

Greenguard fanfold underlayment standard installation guide download pdf 0 5mb download pdf 0 5mb.

Greenguard siding underlayment r value.

Greenguard is the nation s leading brand of siding underlayments. Made of extruded polystyrene xps our underlayments provide superior moisture resistance and are perforated to allow moisture vapor to escape. 3 system r value is calculated in accordance with the ashrae handbook of fundamentals using a uniform parallel dead air space. Nominal width ft 4.

Greenguard q series fanfold underlayment products greenguard q250 fq250 fanfold underlayment the q series products have an extruded polystyrene foam xps core with high impact polystyrene capsheets on both sides which make it one of the most durable products currently available. Made of extruded polystyrene xps our underlayments provide superior moisture resistance and are perforated to allow moisture vapor to escape. Greenguard xp38 siding underlayment. 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.

Kingspan greenguard xfp38 siding underlayment reflective surface 1 side. The extruded polystyrene xps foam offers superior stiffness so your siding job has the smoothest finish possible. By volume astm c 272. The r value of this product installed without an air space is 0 9.

Greenguard xp38 xfp38 fanfold underlayment. They do not absorb water are not a food source for mold and are not subject to moisture related damage and deterioration. Nominal thickness in 3 8. For the best fanfold siding underlayment available choose the xp series.

Water vapor permeance perm astm e 96 desiccant method 1 7. Nominal length ft 50.