GreenGuard Q350 Fanfold Underlayment
Economical fanfold underlayment XPS 0.3" thick with crease-fold hinges
GreenGuard Q250 Fanfold Underlayment
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”, with crease-fold hinges, it adds insulation and moisture protection during installation of new vinyl siding over old siding. It is configured in fanfolded bundles 4’ x 48’.
Product Highlights
Lightweight, durable, cuts clean and easy
Perforated to allow moisture vapor to escape
Provides a smooth, level nailing surface for new siding
Technical Information
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Features You Can Count On
Provides a Smooth, Level Nailing Surface for New Siding
Designed to be used as a “leveling board”, it adds insulation and moisture protection during installation of new vinyl siding over old siding.
