Combustible materials include lumber plywood sheetrock plaster and lath furniture curtains electrical wiring and building insulation.
Duratech chimney pipe installation guide.
For a ul approved shroud see products item page.
Do not use with forced draft positive pressure appliances.
The duratech chimney system is designed to extend vertically with a maximum of one 1 offset two elbows total of up to 30 from vertical.
Duratech chimney 1700 f is available in 10 through 24 diameters.
Never fill any required clearance space with insulation or any other materials.
Always allow at least a 2 inch clearance between duratech chimney pipe and any combustible materials.
Materials and construction 2 mineral fiber insulation encased between inner and outer walls made of 016 430 stainless steel.
You must use only authorized duratech chimney parts to maintain a listed chimney system not including the connector pipe.
The chase enclosure must be ventilated.
The chase top flashing or field fabricated chase pan must be used.
Duratech installations which include the use of a shroud must comply with the following requirements figure 1.
Do not mix parts or try to match with other products.
Proper planning for your duratech chimney installation will result in greater safety efficiency and convenience as well as saving time and money.
To calculate installed length of 5 6 7 or 8 duratech chimney subtract 1 1 4 from each joint overlap of chimney pipe.
Allow a minimum of 2 air space to combustibles when installing duratech chimney.
To calculate the installed per length.
Never fill any required clearance space with insulation or any other materials.
For example a 6 12 pitch has a vertical rise of 6 over a horizontal distance of 12.
Duratech chimney must maintain at least 2 clearance from combustible materials.
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Duratech premium dtp is a double wall all fuel chimney system for use with wood gas oil or coal burning appliances.
Measure the roof pitch.
Duratech chimney is listed under ul re examination service number mh7399.
