Greenguard Siding Underlayment R Value

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.

Greenguard siding underlayment r value.

By volume astm c 272. They do not absorb water are not a food source for mold and are not subject to moisture related damage and deterioration. Nominal width ft 4. The extruded polystyrene xps foam offers superior stiffness so your siding job has the smoothest finish possible.

Where you live 4. Nominal length ft 50. Kingspan greenguard xfp38 siding underlayment reflective surface 1 side. They do not absorb water are not a food source for mold and are not subject to moisture related damage and deterioration.

Greenguard siding insulation greenguard is the nation s leading brand of siding underlayments. 3 system r value is calculated in accordance with the ashrae handbook of fundamentals using a uniform parallel dead air space. For the best fanfold siding underlayment available choose the xp series. Water vapor permeance perm astm e 96 desiccant method 1 7.

Nominal thickness in 3 8. Greenguard fanfold underlayment standard installation guide download pdf 0 5mb download pdf 0 5mb. Greenguard is the nation s leading brand of siding underlayments. Greenguard xp38 xfp38 fanfold underlayment.

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