CertainTeed's waterproofing shingle underlayments are applied under roof shingles during new construction or re-roofing to protect your home’s interior from winter leaks caused by ice dams and wind-driven rain.

From synthetic roofing underlayment to cap staplers, cap nailers, and hammertackers, STINGER® innovations provide a complete system to protect your home from moisture.

STINGER offers three ICC-Certified synthetic underlayments - EXO50, EXO35, and EXO25.

TAMKO offers a variety of professional-grade roofing accessories, from cements and sealants to underlayments and ventilation products.

TAMKO® provides a complete line of saturated organic felt roll roofing products for use as shingle underlayments.