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🛠️ Seal smarter, not harder — the tradesman’s secret weapon!
RectorSeal 81881 is a 5-pound gray duct seal compound designed for professional HVAC, plumbing, and electrical use. This soft, non-toxic putty adheres to most clean, dry surfaces and can be hand-molded and reused. It forms a durable air and water tight seal, resists water, alcohol, and mild acids, and is safe for plastics and metals. Usable in temperatures from 25°F to 120°F, it’s asbestos-free, non-corrosive, and paint-ready immediately after application, making it a versatile, reliable sealant for tradesmen and home pros alike.
| ASIN | B008A3UG9E |
| ASIN | B008A3UG9E |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #40,475 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #263 in Hardware Sealers |
| Color | Gray |
| Country of origin | China |
| Customer Reviews | 4.8 4.8 out of 5 stars (248) |
| Customer reviews | 4.8 4.8 out of 5 stars (248) |
| Date First Available | 25 January 2014 |
| Date First Available | 25 January 2014 |
| Included components | Duct Seal |
| Item Package Quantity | 1 |
| Item Weight | 454 g |
| Item model number | 81881 |
| Item model number | 81881 |
| Manufacturer | The Rectorseal Corporation |
| Manufacturer | The Rectorseal Corporation |
| Material | Rubber |
| Part number | 81881 |
| Product Dimensions | 11.43 x 25.4 x 3.81 cm; 453.59 g |
| Product Dimensions | 11.43 x 25.4 x 3.81 cm; 453.59 g |
| Style | 5 lb |
W**D
تم تجربته على فتحات في جدران الاسمنتيه يقوم باغلاق الفتحه بشكل ممتاز يعمل كانه صلصال وليس ايضا يعمل ايه اضرار ويتحمل الاجواء الخارجيه وبامكانك ازالته في اي وقت
K**W
I used this sealing product around my pipes and vent outside . The previous sealant had cracked and ants were getting inside. It was very easy to use and wasn't messy at all. I had some left over so I put the package into a ziploc bag. It did a great job for me and the price was very reasonable.
A**A
I love this stuff, used it to block a hole under the bathroom sink around the pipe. Great price, fast shipping and incredible stuff!
K**N
I read the reviews of the product before buying, like someone said buy the 5lb package. I'm glad I did as I already used about half a pound to seal all the gaps around the kitchen plumping pipes. Started using surgical gloves but they were no match for stickiness of the product. Applied using bare hands and clean up was easier than using plumber's putty. Excellent product, pliable right out of the package - easy to shape and apply. Elated with this purchase and would recommend for any DIY-er. Time will tell how it holds up but for now I am very satisfied.
C**D
Stuff is awesome purchased 1 pound and we'll came back for more and found this 5 pound brick totally worth it price is more then fair
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