Good Werner is an asphalt roofing felt, unmodified on the basis of the glass veil. It is used to make the top layer of multilayer roofing.

Technical data

• Roll length - 7.5 m.
• Roll width - 1 m
• Straightness - no more than 15 mm in 7.5 m length
• Thickness - 4.2 mm + - 0.2
• Resistance to flow at elevated temperature - ≥ 70 C
• Water resistance - 10 kPa - meets the requirements