Mill-pac is a high-temperature sealant available in a 10.3 oz caulking tube, designed for sealing joints and wall penetrations in direct vent flex pipes exposed to extreme heat. Rated to withstand temperatures up to 1050°F, it maintains flexibility over time, ensuring a durable seal despite metal expansion and contraction. Compatible with standard caulking guns, this sealant offers reliable performance in demanding thermal environments.
This 10.3-ounce sealant is engineered to withstand the intense heat generated by fireplaces, inserts, and stoves, ensuring the long-term safety and durability of your venting system from installation onward.
- 10.3 oz. cartridge of high-temperature sealant
- Ideal for joining vent components
