--- product_id: 359958801 title: "2101531 FS-ONE MAX 10.1oz Tube (1 Tube) firestop fire Protection Systems" brand: "hilti" price: "175.75 DT" currency: TND in_stock: true reviews_count: 3 category: "Hilti" url: https://www.desertcart.tn/products/359958801-2101531-fs-one-max-10-1oz-tube-1-tube-firestop store_origin: TN region: Tunisia --- # Intumescent firestop action Wide application temp range Multi-surface adhesion 2101531 FS-ONE MAX 10.1oz Tube (1 Tube) firestop fire Protection Systems **Brand:** hilti **Price:** 175.75 DT **Availability:** ✅ In Stock ## Summary > 🔥 Seal the gap, save your space — fireproof like a pro! ## Quick Answers - **What is this?** 2101531 FS-ONE MAX 10.1oz Tube (1 Tube) firestop fire Protection Systems by hilti - **How much does it cost?** 175.75 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/359958801-2101531-fs-one-max-10-1oz-tube-1-tube-firestop) ## Best For - hilti enthusiasts ## Why This Product - Trusted hilti brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Eco-Smart & Safe:** Low VOC (9 g/l) and ethylene glycol-free for healthier spaces - • **All-Weather Ready:** Effective application from 2°C to 40°C keeps projects on schedule - • **Trusted Industry Leader:** Hilti quality with 4.7-star rating and top 10 fire barrier caulk rank - • **Fire-Resistant Confidence:** Intumescent formula expands to block flames & smoke - • **One Seal, Endless Protection:** Versatile firestop for concrete, metal, wood & drywall ## Overview The Hilti FS-ONE MAX 10.1oz is a premium intumescent firestop sealant designed for sealing penetrations in concrete, masonry, drywall, and metal surfaces. It offers a wide application temperature range (2-40°C), is low in VOCs (9 g/l), and free from ethylene glycol, making it an eco-conscious choice. Highly rated and trusted in the fire protection industry, this water-resistant caulk expands under heat to block flames and smoke, ensuring superior fire safety compliance for professional projects. ## Description High-performance intumescent firestop sealant LEED VOC: 9 g/l Base materials: Concrete, Metal, Wood, Gypsum Application temperature range: 2 - 40 °C FEATURES & APPLICATIONS Firestop sealant FS-ONE MAX 10.1OZ Features One product for a variety of common through penetrations Convenient: multi-application firestop solution for penetrations Ethylene glycol-free Cost-effective, easy-to-use solution Applications For effectively sealing most common through penetrations in a variety of base materials For use on concrete, masonry and drywall Metal pipe penetrations: copper, steel and EMT Insulated metal pipe penetrations: steel and copper Plastic pipe penetrations: closed or vented Review: Expensive Caulk but needed per specifications - Price was too high for the product, but required for spec's Review: 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. ## Features - Intumescent Fire Caulk - Concrete - Masonry - Drywall ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08Y98KN77 | | Best Sellers Rank | #75,782 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #7 in Fire Barrier Caulk | | Brand | HILTI | | Brand Name | HILTI | | Color | Red | | Customer Reviews | 4.7 out of 5 stars 22 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 | | Number of Packs | 1 | | Part Number | 2101531 | | Surface Recommendation | Hard Floor | | Unit Count | 10.1 Fluid Ounces | | Water Resistance Level | Water Resistant | ## Product Details - **Brand:** HILTI - **Color:** Red - **Item Form:** Foam - **Item Weight:** 10.1 ounces - **Liquid Volume:** 10.1 fluid ounces ## Images ![2101531 FS-ONE MAX 10.1oz Tube (1 Tube) firestop fire Protection Systems - Image 1](https://m.media-amazon.com/images/I/31S0NO7yngL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Expensive Caulk but needed per specifications *by P***C on March 28, 2024* Price was too high for the product, but required for spec's ### ⭐⭐⭐⭐⭐ Works *by M***H on August 13, 2023* 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. ### ⭐⭐⭐ Hard to Apply *by K***R on December 15, 2022* 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. ## Frequently Bought Together - HIlti 2101531 FS-ONE MAX 10.1oz Tube (1 Tube) firestop fire Protection Systems - HIlti 2116245 Firestop Cable Disc CFS-D 1" firestop fire Protection Systems - 3M Fire Barrier Moldable Putty Stix MP+, Red Color, One-Part, Re-Enterable, Intumescent, 1.45 in x 6 in --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/359958801-2101531-fs-one-max-10-1oz-tube-1-tube-firestop](https://www.desertcart.tn/products/359958801-2101531-fs-one-max-10-1oz-tube-1-tube-firestop) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-09-08*