modifiedPLUS NP180 Base Sheets are designed for use as the base or first ply in a high performance two-ply modified bitumen roofing system, or as a ply in two-ply Protected Membrane roofing system.   Additionally, it can be used as a reinforcing sheet in 790-11 Hot Applied Rubberized Asphalt Systems.

There are five different types of NP180 Base Sheets:

• NP180p/p has a thermofusible poly upper and lower surface for torching to substrate and to receive torched on cap sheet
• NP180p/s has a thermofusible poly upper surface to receive torched on cap sheets and a sanded lower surface for mopping or cold adhering to substrate.
• NP180s/p has a sanded upper surface to receive mopped or cold applied membranes or insulation adhesive and a thermofusible lower surface for torch applied installation to substrate.
• NP180s/s has a sanded upper and lower surface for mopping or cold adhering to substrate and to receive mop or cold adhered cap sheets.
• NP180 Tack Sheet has a poly upper surface to torch cap sheets and a self-adhered lower surface.

Features

• SBS polymer provides flow resistance at high temperatures and flexibility at low temperatures for lasting durability
• Non-woven polyester 180g/m² reinforcement
• Designed for application in new construction, re-roofing and retrofit roofing
• Excellent tear resistance