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🔧 Seal smarter, not harder — the tradesman’s secret weapon!
RectorSeal 81880 is a gray, soft, non-toxic duct seal compound designed for professional-grade sealing. It hand-molds easily, works in temperatures from 25°F to 120°F, and forms an air and water tight seal resistant to water, alcohol, and mild acids. Safe for plastics and metals, asbestos-free, and paintable immediately after application, it’s a versatile must-have for HVAC, plumbing, electrical, and general sealing tasks.
| ASIN | B008A3UG94 |
| Best Sellers Rank | #41,065 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #239 in Hardware Sealers |
| Item model number | 81880 |
| Manufacturer | The Rectorseal Corporation |
| Product Dimensions | 16.51 x 7.62 x 7.62 cm; 449 g |
R**R
was easy to use for putting around pipes coming out of fridges
A**A
Wow, wish I had known about this product before! I purchased it after searching for a way to seal a draft coming in around an interior water pipe. The stickiness was very good yet it was easy to work with, and it took care of sealing out the cold air coming in around the pipe, I highly recommend this.
M**E
Good
S**E
Works very well and shipped when stated. Would recommend to anyone!
P**Y
I installed a whole house humidifier (it's dry here in Colorado in the winter) on my furnace and wanted to seal the outside and a certain AI assistant recommended this stuff. It was a good call, I rolled it with my hands into cylinders and put it around the humidifier and the seal is solid and seems like it will last a long time. I am very pleased. It's sticky but not super sticky, pliable but seems like it will stay in place. It doesn't smell much (if at all) and I washed my hands with soap and water and most of it came off with minimal effort.
Trustpilot
1 day ago
1 week ago