Henry 208 Wet Patch vs Gorilla Patch & Seal Tape?
By The DIYPicks Team · Updated July 2026
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Henry 208 Wet Patch Roof Cement (10.1 oz cartridge)
The classic emergency roof and gutter patch that sticks to wet surfaces. Ideal for stopping a leak now at a flashing, seam, or crack; plan a permanent repair later.
| Type | Asphalt-based trowel/gun roof cement |
|---|---|
| Expansion | N/A (troweled paste) |
| Cure | Skins in hours, fully sets over days depending on thickness |
| Paintable | No (black asphalt) |
| Use | Roof leaks, flashings, seams; apply -10 to 120 F |
| Standard | Meets ASTM D-4586, Type I |
Gorilla Waterproof Patch & Seal Tape (4 in x 10 ft)
A fast, clean alternative to asphalt cement for leaks on smooth surfaces: gutters, metal, rubber, PVC, and flashings. Not for shingle roofs, and you get one shot at placement.
| Type | Thick rubberized butyl waterproof tape |
|---|---|
| Expansion | N/A (conformable tape) |
| Cure | None, bonds instantly on contact |
| Paintable | No |
| Use | Patch leaks on metal, rubber, plastic, wood |
| Temp Range | Service -70 to 200 F |
Our verdict
Both stop leaks, but on different surfaces. Henry 208 is a troweled asphalt cement that grips wet, textured, and irregular surfaces, which makes it the better choice for shingle roofs, cracked seams, and flashing joints, especially mid-storm; the tradeoff is a messy, black, stringy application. Gorilla Patch & Seal Tape is a thick butyl tape that bonds instantly and cleanly to smooth surfaces like metal, rubber, PVC, and gutters, and it handles extreme temperatures, but it will not conform to granular shingles and cannot be repositioned. Choose Henry for shingles and rough, wet repairs; choose Gorilla tape for fast, clean patches on smooth gutters, flashings, and metal or RV roofs.