






🛡️ Seal smart, stay secure — the pro’s choice for airtight perfection!
IDEAL 1 lb Duct Seal is a UL-listed, non-toxic, and permanently soft sealing compound designed for moisture and air barriers around junction boxes, flashings, and service entrances. Compatible with metal, plastic, rubber, masonry, and wood, it prevents insect intrusion and corrosion while allowing immediate painting after application. Highly rated for durability and ease of use, it’s a must-have for professional-grade sealing.




| ASIN | B003MZK122 |
| Best Sellers Rank | #60,253 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #90 in HVAC Ducting |
| Brand | Ideal Industries |
| Brand Name | Ideal Industries |
| Color | Black |
| Compatible Material | Metal, Plastic, Rubber |
| Customer Reviews | 4.6 out of 5 stars 720 Reviews |
| Global Trade Identification Number | 00783250316014 |
| Included Components | Duct Seal |
| Item Dimensions | 8 x 4 x 2 inches |
| Item Form | Liquid |
| Item Height | 2 inches |
| Item Weight | 4.54 g |
| Item dimensions L x W x H | 8 x 4 x 2 inches |
| Manufacturer | IDEAL |
| Material | Aluminum , Rubber |
| Material Type | Aluminum, Rubber |
| Style | Compact |
| Style Name | Compact |
| Supported Standards | UL |
| Surface Recommendation | Metal |
| UPC | 013227238897 783250316014 |
| Unit Count | 1.0 Count |
| Water Resistance Level | Water Resistant |
N**K
Easy to use and doesn't dry out
I like having this to seal penetrations. Very easy to use, soft and pliable and does not dry out. Works great and keeps bugs out. I will always have this stuff in my tool box.
S**R
Does what it is supposed to
Helps seal around a/c pipes on the exterior walls of house. Lasts and is very easy to apply. Prevents insect/vermin intrusion and insulates.
R**N
material is freash
Received as stated, worked well.
J**.
Decent quality-lasts long
This did what I needed. It is decent quality duct seal that seems to be lasting well.
E**E
It's a gooey duct seal block!
It's a gooey duct seal block of material. A little pricey at $11 but works great to fill intrusion holes in walls around pipes. Tears from main block easily. Can be stored in a zip lock bag. All good.
T**S
Must have
This product is great! I have used it numerous times and in numerous applications. It is maleable, holds in place, and can be used for plugging holes, insulation around outside piping to keep mice out, etc. Love it!
E**S
Really great to use to seal outside ducting
Great product for outside ducting. I had a new HVAC system put in, and I had to get new refrigerant lines put in as well. Metal cover/ducting was put over the lines down the side of the house. I wanted to better seal the bottom of the ducting. This product is like a sticky and slightly tougher playdoh. You can shape it, and pull pieces apart to fit any space. I suspect that this 1 lb unit can easily cover up to 1/2 square foot of space. Some advice: 1. Remove the internal plastic cover -- it's tricky, as it rips easily. I ended up with pieces of it embedded. 2. Use a knife to cut pieces off -- you can rip them off, but it does leave a ragged "edge" that needs to be re-shapped. Overall, great product for the price!
L**N
Tight seal around hose bib
The pipe seal is very pliable. Can easily be conform around pipes. I replaced the pipe seal around my outside hose bibs. It's an easy fix to seal openings. The 1lb package is plenty to seal around pipe openings, outside the house.
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