Titanium UDL30 Professional Grade Roof Underlayment, 48" x 250' Lamp Oil Face frame mounting hole features

Face frame mounting hole features a non handed design

Laser etched markings for easier identification on black phosphate finishes

Dimensions: 3-3/4-inch diameter with 3/4-inch bore

the other side cools

high-capacity air volume

Titanium UDL30 Professional Grade Roof Underlayment, 48" x 250' Lamp Oil Face frame mounting hole featuresHighlights: Width: 48" Length: 250' Professional grade 30 lbs felt replacement used for steep slope roofing under all metal, tile, slate, shake and shingle roofing 6 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 Foot" slip resistant nodular walking surface and an advanced resin technology provide superior steep slope