Metacaulk 350i

Quick Overview

Metacaulk 350i is a 1-component, general purpose fire-rated sealant/smoke seal for construction joints & around penetrations in fire rated walls/floors. Prevents flames/smoke/hot gases/water spreading through joint openings & through penetrations. Metacaulk 350i Intumescent Firestop Sealant is highly intumescent and water-based, featuring a non-sag caulking grade sealant that is easy to apply or retrofit and is paintable. It offers excellent freeze-thaw stability and cures to an elastomeric seal suitable for applications with dynamic movement. With an STC rating of 53 and VOC compliance, it is rated for 1, 2, and 3 hours and tested in accordance with ASTM E814, UL 1479, UL 2079, and ULC-S115-95 test standards. Safe and easy to use, it requires no dilution or mixing for use and can be applied with a conventional caulking gun, bulk loading gun, or troweled/pumped from the pail. Metacaulk 350i has a minimum 3-year shelf life and is protected from mold growth in both wet and dry stages with a combination of biocides.