GAF Self-Adhered Vapor Retarder XL 58" x 125' 31 mil
Regular price $615.00The GAF Self-Adhered Vapor Retarder XL 58" x 125' 31 mil is a bur & mb systems for jobs that require GAF model/MPN 4128000TP in the RL sell unit. GAF SA Vapor Barrier XL is a self-adhered, vapor-inhibiting membrane designed for use in approved roofing membrane assemblies.
Key Specs
- Brand: GAF
- Model / MPN: 4128000TP
- SKU: GAF4128000TP
- Sell unit: RL
- Product type: BUR & MB Systems
- Size / color: 5 SQ
- Category: Commercial Roofing | Commercial Roofing/Membranes | Commercial Roofing/Membranes/BUR & MB Systems
Key Features
- ASTM E108 Class A and FM 4470 Class 1 Fire Ratings directly over steel deck
- Designed to be self-sealing
- Increased adhesion performance provides three times the peel strength compared to self-adhered modified bitumen vapor barriers
- Use of a primer prior to installation is NOT required
- Slip-resistant embossed walking surface
- Extra-large roll size (603 square feet) results in fewer rolls and fewer field seams per job
Coverage & How Much You Need
Coverage or yield is not specified in the available product details. Use the manufacturer installation instructions and project takeoff before converting the job size into order quantity.
Compatibility / Fitment
Use this item only when the brand, model/MPN, size/color, sell unit, and system type match the project specification. Do not substitute it for a different bur & mb systems, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.
FAQs
What exactly am I ordering?
GAF Self-Adhered Vapor Retarder XL 58" x 125' 31 mil, sold as RL, with SKU GAF4128000TP and manufacturer model/MPN 4128000TP.
What model or part number should I match?
Match model/MPN 4128000TP and confirm the brand is GAF. If the job spec lists a different model, size, color, or system family, hold for review.
What unit is the price based on?
This listing is built around the RL sell unit. Confirm the unit before comparing price, quantity, or coverage.
How do I estimate quantity?
Coverage or yield is not specified in the available product details. Use the project takeoff and manufacturer instructions before estimating quantity.
What should be checked before purchase?
Confirm the model/MPN, sell unit, size/color, jobsite condition, compatible system components, and any manufacturer installation limits before approving the order.
Verify the manufacturer instructions, local code, and project specification before installation or substitution.
Product Expert Notes
Choose this item when GAF model/MPN 4128000TP, SKU GAF4128000TP, and the RL sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.
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