Basis weight

Mass per unit area, often expressed in grams per square metre; distinguish it from thickness and bulk density.

Material family: Construction, roofing and geosynthetics

Testing and verification

Interpret within the exact material, grade and test context.

Related guides

• PET / Polyester Spunbond for Roofing & Waterproofing
• Industrial nonwoven materials

Related products and materials

• PET Spunbond Roofing Carriers
• Nonwoven Filtration & Technical Media
• Roofing Membranes & Underlayment
• Geotextiles for Separation, Filtration & Reinforcement

General information for preliminary evaluation; not independently reviewed or certified. Confirm grades, standards and suitability with the manufacturer for your application. Interpret within the exact material, grade and test method.

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