# 15 Felt

• An asphalt saturated felt used as underlayment for
  shingled roofs and on exterior walls against weather
  penetration. Rolls have lined markings to guide in overlapping.

Gripgard

• It is made with a tough fiberglass mat impregnated with
  a rubberized asphalt that provides flexibility at temperatures
  as cold as -30^oC.

• It provides excellent pliability in valleys,
  on ridges, around chimneys and skylights

• Simple to install and time saving, with its' silicone
  treated split release film that easily peels away, leaving
  Gripgard's self adhesive backing ready to stick to the roof deck.

Slate Surface

• An asphalt roofing comprising a heavy duty felt base saturated with asphalt and covered with mineral granules.

• Used as a roofing covering, starter strip for valley flashing, as a starter strip at the eaves for shingle roofs.

N.I.S. Roofing

• An impregnated and coated sheet covered with granules over 46 cm (18") of its width. It is overlapped 49.2 cm (19 3/8") on application.

• Used as an external covering for low slope roofs or as an external component of a built-up roofing system.
  Used on low slopes of a minimum 1:6 or 9^o and up, with concealed nails.