GreenGuard FQ250 Fanfold Underlayment - Reflective Microfiber A 2 inch dust port

A 2 inch dust port enables effective vacuum connection for virtually dust-free operation when paired with proper airflow

giving you a clean and healthy home

Used in pairs with spacers

Two lower pockets: 6

It can be applied to wood

GreenGuard FQ250 Fanfold Underlayment - Reflective Microfiber A 2 inch dust portEconomical Fanfold Underlayment XPS When every penny counts, you can rely on the performance of our most economical fanfold siding underlayment. The 0. 2" Q250 is made of extruded polystyrene foam (XPS). Designed to be used as a leveling board, it adds insulation and moisture protection during the installation of new vinyl siding over old siding. It is configured in fanfolded bundles 4 x 48. It comes with crease fold hinges and a reflective facer on