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Carlisle SynTec VapAir Seal Flashing Foam 41 lb Kit Low-Pressure Spray Foam
Regular price $776.92Carlisle SynTec VapAir Seal Flashing Foam 41 lb Kit Low-Pressure Spray Foam
This is the Carlisle SynTec VapAir Seal Flashing Foam in the 41 lb two-component kit, a low-pressure spray foam with a non-flammable blowing agent used to seal roof penetrations and reduce air leakage. The 41 lb kit yields 3,132 linear feet of 1 in. bead (205 board feet). It cures tack-free in 30-60 seconds and is cuttable in 2-5 minutes.
Key Features:
- Seals penetrations: Effective for all roof penetrations, applied below the insulation level to complete flashing.
- Air and vapor seal: Creates a seamless, continuous seal that insulates and protects against vapor and air infiltration.
- Class 2(B) rated: Conforms to ASTM E84 as a Class 2(B) system with flame spread of 75 or less and smoke development of 450 or less.
- Fast cure: Fully expands and dries tack-free within 30-60 seconds and is cuttable in 2-5 minutes.
- Wide adhesion: Adheres to most building materials except silicone, oils, greases and mold release agents.
- Temperature resistant: Cured foam resists heat and cold from -200°F to +240°F but must be protected from UV unless painted, covered or coated.
- Reusable kit: The kit is reusable by following the product instructions; shelf life is 12 months from manufacture.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Carlisle SynTec |
| Manufacturer model | 326390 |
| Sell unit | 41 lb two-component kit |
| Product line | VapAir Seal |
| Profile / style | Low-pressure two-component spray foam |
| Color | Cures to semi-rigid closed cell foam |
| Material | Two-component polyurethane foam, non-flammable blowing agent |
| Packaging | 41 lb kit |
| Coverage per unit | 3,132 linear ft of 1 in. bead; 783 linear ft of 2 in. bead; 205 board feet |
| Fire rating / wind rating / warranty | ASTM E84 Class 2(B): flame spread 75 or less, smoke development 450 or less |
| Approvals | UL 94; ASTM E84; LEED; ASTM E283 |
| Weight | 41 lb |
| Service temperature | -200°F to +240°F cured |
| Shelf life | 12 months from date of manufacture |
| Intended use | Sealing roof penetrations and reducing air leakage |
Coverage & How Much You Need:
One 41 lb kit yields 3,132 linear feet of foam at a 1 in. x 1 in. bead, 783 linear feet at a 2 in. bead, or 205 board feet, based on cured material. Gaps 1-1/2 in. or greater should be prefilled with fiberglass insulation before foaming.
Fit and Compatibility:
Designed for Carlisle SynTec roofing assemblies as flashing foam applied below the insulation level around penetrations. Sold separately: dispensing nozzles, fiberglass prefill insulation, and respiratory protection equipment.
Frequently Asked Questions (FAQ):
Q: What is included with this order?
A: One 41 lb two-component VapAir Seal Flashing Foam kit; nozzles and safety equipment are not included.
Q: How much foam does one kit produce?
A: The 41 lb kit yields 3,132 linear feet of 1 in. bead, 783 linear feet of 2 in. bead, or 205 board feet of cured foam.
Q: How fast does it cure?
A: It fully expands and dries tack-free within 30-60 seconds and can be cut in 2-5 minutes; cured foam can only be removed mechanically.
Q: What temperature range does cured foam handle?
A: Cured foam is resistant to -200°F to +240°F, but it is not UV resistant unless painted, covered or coated.
Q: How should I apply it around penetrations?
A: Apply the liquid foam directly to the penetration to keep material out of the building space, ideally after membrane installation for the day, and reactivate the trigger within 30 seconds or install a new nozzle.
Q: How should the kit be stored?
A: Store in a dry area away from open flame and temperatures above 120°F; shelf life is 12 months from the date of manufacture.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
Flashing foam is the fastest way to air-seal irregular pipe penetrations on a commercial roof; apply it after the membrane work is done for the day so cured foam doesn't interfere with seaming. Warm kits to 75-85°F for at least a day before use and keep fresh foam staged in layers to avoid overfilling voids. Cut foam flush with the deck before insulation goes in.
Use only in a well-ventilated area with certified respiratory protection or a PAPR, plus nitrile gloves, protective glasses and dermal-protective clothing; cured urethane foam will support combustion.
Get the Carlisle SynTec VapAir Seal Flashing Foam 41 lb kit to seal roof penetrations fast.
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