Master Flash No 6 High Temperature


Free Shipping On All Products
Guaranteed Safe Checkout

Master Flash No 6 High Temperature – Flexible Roof Collar

Master Flash No 6 High Temperature is designed to provide superior sealing capabilities in environments exposed to extreme heat. Perfect for use in boat solid fuel and diesel stove installations, this product withstands temperatures that standard flash products cannot. Its robust formulation ensures long-lasting durability and reliability, maintaining an effective seal even under continuous exposure to high temperatures. Easy to apply and versatile enough to conform to irregular surfaces, Master Flash No 6 ensures a watertight and airtight seal. This makes it an essential solution for any boat twin wall flue.

Temperature resistance degrees C
Low -74
High +260 (intermittent), +225 (continuous)

Flue external diameter fit
121mm – 254mm

Base diameter:


Scroll to Top