Techno SB50 is a 100% synthetic woven roof underlayment offering high tear strengths, including a tacky back-side slip resistant coating for added walking traction and a cool grey spunbond non-woven fabric surface. Aqua Trak system. UV resistant and can be left exposed for up to 6 months. 50 year warranty – guaranteed to shed water. Pre-printed nailing pattern and overlap lines speeds installation. null –
- Non-woven walking surface with our AQUA TRAK System
- Slip resistant back surface for added installation safety
- Light Gray Color Walking Surface keeps roof cooler during shingle installation
- UV resistant and can be left exposed for up to 6 months
- Material Woven Synthetic
- Color Gray
- Size 48 In. x 250 Ft.