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Address: 921 White Plains Rd, Trumbull, CT 06611
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- Benjamin Obdyke VAPORDRY® SA Roof Underlayment, 80 ft.
- Benjamin Obdyke VAPORDRY® SA Roof Underlayment, 80 ft.
Benjamin Obdyke VAPORDRY® SA Roof Underlayment, 80 ft.
VaporDry SA is one of the only fully self-adhered, vapor permeable underlayments. The continuous acrylic adhesive provides enhanced sealability, while reducing the potential of damage due to moisture… Show more
VaporDry SA is one of the only fully self-adhered, vapor permeable underlayments. The continuous acrylic adhesive provides enhanced sealability, while reducing the potential of damage due to moisture build up. VaporDry SA helps to create a high-performance roof assembly when paired with Cedar Breather® Roof Ventilation Mat and Rapid Ridge® 7.
Meets ASTM D1970 testing standand for roofing underlayment
$479.00
each
- Can be used with Cedar Breather Ventilated Underlayment for maximum drying potential in wood, metal, and cold roof applications
- Approved for use with all roofing types with a pitch 3:12 or greater
- Provides enhanced protection from the elements during ‘dry-in’ period
- Slip-resistant surface & printed overlap guides for an easier install
- Meets ASTM D1970 testing standard for roofing underlayment
- High temperature self-adhered underlayment: 250°F service temperature
| Type | Underlayment |
|---|---|
| Size | 380 sq. ft./roll |
| Width | 4.75 ft. |
| Length | 80 ft. |
| Style | Continuous Acrylic Adhesion |
| Brand | Benjamin Obdyke |
| Material | Polypropylene Tri-Laminate |
VaporDry SA can be installed in temperatures down to 25˚F when stored in a conditioned space at 40˚F or above.
Prepare the roof sheathing to be free of dust and debris. Cleaning with a push broom or air compressor is recommended. VaporDry® SA is a self-adhered product and does not require any fasteners during installation. Staples/cap-fasteners may be used to temporarily fasten as you roll out each course. The continuous acrylic adhesive can be repositioned on roof sheathing to verify a smooth installation with minimal wrinkles. VaporDry® SA should be installed shingle lap fashion (ie. begin at the base of the roof assembly). VaporDry® SA must be installed 12 inches up the vertical wall at all roof-to-wall intersections.
Overlap all horizontal seams by at least 4 inches, all vertical seams by at least 6 inches, and corners by 12 inches.
You must use firm and even pressure when applying VaporDry® SA to activate the adhesive. To apply even pressure, we
recommend using the following: a floor squeegee, floor roller, firm push broom, or a larger hand applicator.
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