GreenGuard FQ350 Fanfold Underlayment
Economical fanfold XPS 0.3" thick with reflective facer on one sideYou May Also Like
Economical Fanfold Underlayment XPS
The FQ250 has an extruded polystyrene foam (XPS) core with high-impact polystyrene facers on one side with a reflective facer on the other for added energy.
