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🔥 Seal the gap, save your space — safety that speaks volumes!
The Hilti FS-ONE MAX 10.1oz is a premium intumescent firestop sealant designed for sealing penetrations in concrete, masonry, drywall, and metal surfaces. With a low VOC content and ethylene glycol-free formula, it offers eco-conscious fire protection that expands under heat to block flames and smoke. Suitable for a broad temperature range (2-40°C), this water-resistant caulk is trusted by professionals and ranks top in fire barrier solutions.
| ASIN | B08Y98KN77 |
| Best Sellers Rank | #97,660 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #8 in Fire Barrier Caulk |
| Brand | HILTI |
| Brand Name | HILTI |
| Color | Red |
| Customer Reviews | 4.7 out of 5 stars 21 Reviews |
| Included Components | No |
| Item Form | Foam |
| Item Weight | 10.1 Ounces |
| Liquid Volume | 10.1 Fluid Ounces |
| Manufacturer | Hilti |
| Material Type | Concrete, Masonry, Drywall |
| Number of Items | 1 |
| Part Number | 2101531 |
| Surface Recommendation | Hard Floor |
| Unit Count | 10.1 Fluid Ounces |
| Water Resistance Level | Water Resistant |
P**C
Expensive Caulk but needed per specifications
Price was too high for the product, but required for spec's
M**H
Works
I used this to install 1/8th inch screening over my 1/4 inch crawlspace vents. This is recommended to keep embers from wildfire from getting into your crawlspace and setting your house on fire.
K**R
Hard to Apply
This stuff is really thick and not easy to spread. We went through a ton of gloves finishing our project. We needed it for our firewall to pass inspection and it did do the job.
Trustpilot
1 day ago
2 months ago