Titanium UDL25 All-Purpose Roof Underlayment, 48" x 250' BF15 working in areas approximately 18"

working in areas approximately 18" by 18" in size

The HeadLOK flat head fastener requires no predrilling and offers higher design shear than 3/8" lag screws

Sweat resistant

Size: 7' x 9

the power attic vent is unobtrusive when installed on the roof face slanting away from the front of your home

Titanium UDL25 All-Purpose Roof Underlayment, 48" x 250' BF15 working in areas approximately 18"30 lb felt replacement used for steep slope roofing under all metal, shake and shingle roofing, 8 times lighter and 20 times stronger than #30 felt, Class A Fire ASTM E108, meets and exceeds ASTM D226, meets Class 4 hail rating, synthetic construction inert to mold growth; "Sure Grip" ridged walking surface plus the Diamond plate slip resistant coating technology contributes to "LEED" points, certified minimum of 20% reclaimed content (100%