# STI® SIL320SL Firestop Sealant, Sausage Container, Silicone, Off White, <47 g/L VOC

**Brand:** [STI](https://dev.maxsupplyco.com/brands/STI)
**SKU:** FRS10048
**MPN:** SIL320SL
**Price:** $21.16 · in stock
**URL:** https://dev.maxsupplyco.com/product/sti-sil320sl

## Features

- Ozone and UV-resistant for excellent weathering ability and long service life
- Excellent recovery from joint extension and compression
- Listed in over 175 UL tested systems
- Low modulus allows dynamic movement in joints
- Nonhalogenated
- Auto bonding allows fresh sealant to adhere to cured sealant
- Excellent water resistance for water-tight sealing; including class 1 W ratings (UL 1479)
- Excellent chemical resistance protects in polluted or corrosive atmospheres
- Excellent adhesion to most building substrates
- Excellent smoke seal
- Neutral cure
- Safe, no asbestos, no PCB's, no inorganic fibers

## Specifications

| Spec | Value |
|---|---|
| UPC | 730573013229 |
| Brands | STI |
| Warranty | Limited |
| Width (in) | 2 |
| Height (in) | 13 |
| Length (in) | 2 |
| Manufacturer | Specified Technologies |
| Package Quantity | 1/Each |
| Standard Approvals | ASTM E814UL 1479UL 2079CAN/ULC S115 E1966FM ApprovedFBC Certified |
| Manufacturer Part Number | SIL320SL |

## Description

STI® SpecSeal® Silicone Firestop Sealant, Series: SIL, Sausage Pack Container, 20 oz Container, Composition: Calcium Carbonate, Natural, Polydimethyl Siloxane Diol, Octamethylcyclotetra Siloxane, Polydimethylsiloxane, Aluminum Trihydrate, Solvent Naphtha (Petroleum) Heavy Alkylate,, Concrete Limestone, Mild Odor/Scent, -35 to 140°F, 9 lb/g Specific Gravity, >199°F Flash Point, <47 g/L VOC. SpecSeal® SIL300 silicone sealant is a high performance silicone firestop sealant tested to resist the passage of smoke, flame and water through construction joints and through-penetrations. SIL300 sealant cures to form a flexible seal and carries a class 1 W rating for water resistance (Per ANSI/UL1479).

Features

- Ozone and UV-resistant for excellent weathering ability and long service life

- Excellent recovery from joint extension and compression

- Listed in over 175 UL tested systems

- Low modulus allows dynamic movement in joints

- Nonhalogenated

- Auto bonding allows fresh sealant to adhere to cured sealant

- Excellent water resistance for water-tight sealing

- including class 1 W ratings (UL 1479)

- Excellent chemical resistance protects in polluted or corrosive atmospheres

- Excellent adhesion to most building substrates

- Excellent smoke seal

- Neutral cure

- Safe, no asbestos, no PCB's, no inorganic fibers