Grace Triflex Under Steel Roofing

Over the underly ing course shingle style.

Grace triflex under steel roofing.

Tri flex is a mechanically attached roofing underlayment that can be applied under nearly any roofing material shingles tiles slate metal and more. Tri flex 15 underlayment acts as a secondary watershedding material below mechanically attached roof coverings. Exceptional uv resistance allows it to be exposed for up to six months before installing the final roof covering. Suitable for use under all major roof coverings grace tri flex mechanically attached underlayment can be used under shingles tiles slate metal and cedar shakes.

It s slip resistant grace roofing underlayment is formulated for excellent skid resistance even in wet conditions. It is more than 20 times stronger than 30 felt. On slopes of less than 3 12 grace tri flex xtreme should be half lapped a full 20 in. The product may be exposed for up to 60 days and may be used with asphalt shingles and most other roof coverings.

It is 10x stronger than the 15 felt and prevents blow offs and tears in windy conditions. Refer to subsequent sections for more details. This proprietary resin formula is used in the walk and deckside surfaces to create a slip resistant surface. Tri flex 15 underlayment is an engineered woven fabric coated on both sides with polypropylene.

Tri flex 15 is a synthetic roofing underlayment coated with polypropylene on both sides and offers many benefits to traditional 15 felt. Grace tri flex xtreme is attached to the roof with roofing nails or.