| SKU | 7000006378 |
|---|---|
| Legacy SKU | 98040052783 |
| UPC | 50051115115375 |
| Catalog Number | 1000 NS |
| Product Number | 1000 NS |
3M Fire Barrier Water Tight Sealant 1000 NS is a non-slump, ready-to-use, single component, neutral cure, silicone sealant that cures upon exposure to atmospheric humidity to form a flexible firestop seal. This water tight sealant help control the spread of fire, smoke and noxious gases before, during and after exposure to fire.
- Firestop tested up to 3 hours in accordance with ASTM E814 (UL 1479) and CAN/ULC-S115
- Fire resistance tested for construction joint (including curtain wall) systems in accordance with ASTM E 1966 (UL 2079), ASTM E 2307
- Excellent caulk rate and sealant can be applied with conventional caulking equipment
- Non-slump, halogen-free formula provides strong adhesion
- Exceptional weatherability for durability during construction
- Minimizes noise transfer (STC-Rating of 56 when tested in STC 56-rated wall assembly)
Product Dimensions |
Imperial | Metric |
| Weight | 0 NULL | |
|---|---|---|
| Width | 0 null | |
| Length | 0 null | |
| Height | 0 null | |
| Diameter | 0 np | 0 NP |
Shipping Dimensions |
|
| Weight | 50.00084 lb |
|---|---|
| Length | 11.81102 in |
| Width | 11.81102 in |
| Height | 12.91339 in |
PRODUCT FAQ
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What is 3M™ Fire Barrier Water Tight Sealant 1000 NS, Gray, 4.5 Gallon Drum (Pail)?
It's a one-part firestop sealant that applies as a non-sag caulking grade sealant and can help protect sensitive cables.
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Is it flexible enough to accommodate building movement?
Yes! This product forms a highly flexible bond with most building materials so it accommodates minor movement without cracking or shrinking.
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How does it prevent the spread of fire?
The sealant swells when exposed to heat helping restrict the passage of flames, smoke and toxic gases during exposure to fire conditions.
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Does it meet any industry standards for safety?
Absolutely! It has been tested per ASTM E-814 (UL1479) for up to three hours in accordance with ASTM E1966 (UL2079).
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Can this be applied on wet substrates?
We recommend applying this product on dry surfaces only because water may interfere with its ability to properly adhere.
3M™ Fire Barrier Water Tight Sealant 1000 NS
3M™ Fire Barrier Water Tight Sealant 1000 NS is a non-slump, ready-to-use, single component, neutral cure, silicone sealant that cures upon exposure to atmospheric humidity to form a flexible firestop seal. This water tight sealant helps control the spread of fire, smoke, and noxious gases before, during, and after exposure to fire.



