Field glossaryIce and water shieldSelf-adhered waterproof membrane at eaves, valleys, and penetrations that seals around the nails through itUsed across 2 Anvilfield field guides, most in Roofing. Where this shows upRoofingSteep-slope shingle roofingRoofingIce dams and snow load Related termsCold roofExposureIce damNet free areaSlope / pitchSquareStep flashingUnderlayment Back to the full field glossary