Standard construction carbon steel with high heat black enamel finish.
Generator roof thimble.
Inexhaust thimbles conform to nfpa 37 and 110.
Pitched roof thimbles available contact factory for more details.
Also guides the chimney 6 above the roof line.
Alz or galv 304 316.
Ampco installation guide 2 mb pdf performance data 63 kb pdf for use where pipe passes through a combustible roof or structure.
Available in stainless steel.
The thimble must extend at least 9 inches 229mm 10 inches 250mm recommended above and below roof construction.
Before installing you should obtain the most up to date copies of local codes applicable to generator set or other applicable installation.
The thimbles prevent exhaust pipe heat from being transmitted to the combustible material.
Wall and roof thimbles provide transitions where it is necessary to pass exhaust pipe through walls and roofs safely to the outside atmosphere.
All inexhaust thimbles conform to nfpa 37 and 110.
Exhaust piping that passes through any combustible roof must be separated from the roof by a ventilated metal thimble that is at least 6 inches in diameter larger than the piping.
Hapco insulated exhaust roof and wall thimbles are recommended for use with exhaust pipes that must pass through a structure.
Thimbles provide transitions for exhaust piping where it is necessary to pass exhaust pipe through walls and roofs safely to the outside atmosphere.
Fabricated with a 2 thick 2300 degree rated high temperature insulation with built in pipe guide eliminating hot spots.
Apply a bead of hi temperature rated sealant mil a 46106b 100 series rtv around the perimeter of the interior flashing that will be in contact with the roof wall and is a minimum of one inch from the edge of the flashing.
Thimbles are critical in complying with local fire and safety regulations by protecting wall and roof material from exhaust pipe heat.
Mvt ventilated thimble assembly.
One thb one fr one vtf and one vsc.
Picture of gt exhaust thimble.
Size a dwg no iecwt rev 0 sheet 1 exhaust components ltd is prohibited of 1 industrial exhaust components ltd.
Custom roof thimble lengths are available upon request.
Install the thimble through the penetration so that the exterior flashing is flush to the roof wall clocking as needed.
Dme offers a heavy duty style roof wall exhaust pipe thimble for combustible applications.
All dimensions are in inches.
