Rose 3B

3B IS AN ECONOMICAL GLASS FIBRE UNDERLAY OR INTERMEDIATE LAYER IN A BUILT-UP FELT ROOFING SYSTEM AND IS USUALLY FULLY BONDED IN HOT BITUMEN.

• Glass fibre based sand underlay
• Intermediate layer in a built up roofing system
• Ideal For Use Under Felt Shingles
• 36kg 20m rolls