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TRI-BUILT SA Plybase Self-Adhering Membrane 2 Square Roll
Regular price $160.43Orders start at $399 — combine any items to reach the minimum. Learn more
TRI-BUILT SA Plybase Self-Adhering Membrane 2 Square Roll
TRI-BUILT SA Plybase is a self-adhering roofing membrane supplied as a 2 square roll weighing about 86 lb. It serves as a base ply or ply base layer in low-slope roofing systems. One roll is the selling unit.
Key Features:
- 2 square roll: Each roll provides 2 squares (200 sq ft) of membrane.
- Self-adhering: SA construction bonds without hot asphalt or open flame.
- Base ply membrane: Designed as a plybase/base sheet layer in membrane roofing systems.
- Membrane category: Listed under the Membranes product style.
- 86 lb roll: The roll weighs approximately 86 lb for two-person handling.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | TRI-BUILT |
| Manufacturer model | 650470 |
| Sell unit | 1 roll, 2 squares |
| Product line | SA Plybase |
| Component | Self-adhering plybase membrane |
| Coverage per unit | 2 SQ (200 sq ft) per roll |
| Intended use | Base ply / plybase layer in low-slope roofing assemblies |
| Weight | 86 lb per roll |
Coverage & How Much You Need:
One roll covers 2 squares (200 sq ft) nominal. Size your job by dividing the field area by 2 squares per roll and allow extra material for laps and detail work.
Fit and Compatibility:
Intended for use within TRI-BUILT self-adhering and membrane roofing systems; pair with compatible cap membranes, primers and adhesives from the same manufacturer. Follow system specifications for substrate and lap requirements.
Frequently Asked Questions (FAQ):
Q: What comes with the order?
A: One self-adhering roll of TRI-BUILT SA Plybase covering 2 squares.
Q: How many rolls do I need?
A: Divide your roof area by 200 sq ft per roll and add allowance for laps and waste.
Q: Does it require torch or hot asphalt?
A: No, the membrane is self-adhering; installation is per the manufacturer's instructions.
Q: How much does a roll weigh?
A: Approximately 86 lb, so plan for two-person handling.
Q: Can it be used as the top layer?
A: It is described as a plybase, meaning it is a base ply to be paired with a compatible cap layer or membrane.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
Self-adhering plybase membranes speed up base-ply installation on low-slope roofs and eliminate kettle and torch hazards. Prime porous or questionable substrates where the manufacturer requires it, roll laps firmly, and install within the stated temperature window. Confirm the full system assembly with the specified cap membrane to keep the roof assembly's approvals intact.
Use proper lifting technique or two people for the 86 lb roll, and follow the manufacturer's installation instructions and local code for self-adhering membrane work.
Get the TRI-BUILT SA Plybase 2 square self-adhering membrane roll for your next base-ply installation.
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