DIV 07 · THERMAL & MOISTUREROOFINGCUT SHEET INDEXED

GAFgrt drain mat 0.5

GAF Drain Mat (Drainage). Model GRT DRAIN MAT - 0.5". Core thickness is 0.5 inches (0.45" high in roll); Compressive strength exceeds 30,000 psf; Roll weight is 56 lbs; Fabric weight is 0.5 oz/ft². material: Extruded Polymer Core, Non-Woven Geotextile Fleece

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Official manufacturer data sheetOpen PDF ↗
Manufacturer
GAF
Catalog no.
grt drain mat 0.5
Product type
Roofing
MasterFormat
07
Cut sheet
PDF · manufacturer current

Product details

Catalog numbergrt drain mat 0.5
DescriptionGAF Drain Mat (Drainage). Model GRT DRAIN MAT - 0.5". Core thickness is 0.5 inches (0.45" high in roll); Compressive strength exceeds 30,000 psf; Roll weight is 56 lbs; Fabric weight is 0.5 oz/ft². material: Extruded Polymer Core, Non-Woven Geotextile Fleece
Pressure Rating>30,000 psf
Flow RateUp to 16.30 gpm/ft (at 500 psf, 1.0 gradient)
Dimensions4' x 100' x 0.45" high; 48" diameter
ComplianceASTM D1621, ASTM D4716, ASTM D5261, ASTM D6241, ASTM D4751, ASTM D4491.
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