Product Selection Guide

Roofing - Underlayment


GCP Applied Technologies

GCP Applied Technologies
Subcategory: Underlayment & Sheathing

Grace Construction Products’ line of roofing underlayment products, including Grace Ice & Water Shield®, Grace Ultra and Grace TRI-FLEX®, extend the life of a roof by protecting against leaks caused by ice dams and wind-driven rain.


Grip-Rite

Grip-Rite
Subcategory: Roof Cements, Underlayment & Sheathing

Grip-Rite coatings and sealants offer maximum protection designed to repair, seal, bond, coat or patch any roof project.

Grip-Rite ShingleLayment is the only roofing underlayment with the high performance of a synthetic underlayment, and the finished look of a shingled roof.

Grip-Rite® modified bitumen membranes are manufactured from formulas using only the highest quality materials, to meet or exceed, industry standards.


Owens Corning - Roof - Underlayment

Owens Corning - Roof - Underlayment
Subcategory: Underlayment & Sheathing

For a roof to last, your roofing system must include protection from wind-driven rain.