Roof Support Trim Collar

Duratech is a double wall all fuel chimney system for use with wood stoves fireplaces furnaces boilers ranges water heaters or other appliances fueled by wood oil coal or gas and zero clearance fireplaces that are factory built.

Roof support trim collar.

Use this duratech roof support trim to conceal the gap between the chimney pipe and the ceiling cut out. This is a premium grade class a fully insulated vent system that can be used to vent both wood burning fireplaces and stoves. Duratech 8in roof support trim collar. Contrary to popular belief collar ties are not there to support rafters or to keep walls below from spreading under the weight of the roof.

Collar ties rafter ties tension beams structural ridge beams. That s the job of the rafter ties or the ceiling joists. Strong and durable supervent. Tall duraplus is designed to stay cool on the duraplus is designed to stay cool on the outside to provide a hot draft on the inside to boost stove efficiency and to provide for a fire safe design that protects both the chimney and the building.

Ul 103 ht and canada. 4 4 out of 5 stars 33 36 00 36. Use this trim collar for a 6 roof support to conceal the gap between the chimney pipe and the ceiling cut out. 7 12 9 12 pitch 63 58 duratech 8in round ceiling support 131 58 duratech 8in round ceiling support trim collar 52 03 duratech 8in slip connector hanger 85 22 snow splitter 105 04 duratech 8in square ceiling support 11in tall.

If you re not sure if you need collar ties you should consult an engineer. Buy duravent 9648b roof support trim collar 4 6 12. Buy duravent 9648c roof support trim collar 7 12 12. Supervent products are manufactured by selkirk chimney.

Some of these can support the roof and prevent ridge sagging and wall spreading. Ulc s 604 standards for high temperature insulated chimney. Duratech is a double wall all fuel chimney system for use with wood stoves fireplaces furnaces boilers ranges water heaters or other appliances fueled by wood oil coal or gas and zero clearance fireplaces that are factory built. Collar ties prevent uplift.

X 18 25 in square ceiling support box and trim collar 24 in. This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams.