Soprema Lastobond Shield Ht 40 Mil 36"X67' Underlayment

36" x 67' Roll, 40 Mil Thick, SBS Polymer Modified Bitumen, Tri-Laminate Woven Polyethylene, Asphalt Odor, Solid, Self-Adhered, Black LASTOBOND® SHIELD HT Roof Underlayment Membrane (25 per Pallet)

LASTOBOND Shield HT (high temperature) is a SBS-modified bitumen underlayment for use in approved steep slope assemblies and is designed to withstand service temperatures up to 240 Deg F (116 Deg C). LASTOBOND Shield HT is composed of a proprietary formulation of elastomeric styrene-butadiene styrene (SBS) polymer modified bitumen in combination with high tack self-adhesive. The topside is surfaced with a high strength tri-laminate polyethylene film and the underside is surfaced with protective polyolefin release film that is removed during application.