Generator Roof Thimble

Also guides the chimney 6 above the roof line.

Generator roof thimble.

Meets or exceeds nfpa37 nfpa110. Alz or galv 304 316. Wall and roof thimbles provide transitions where it is necessary to pass exhaust pipe through walls and roofs safely to the outside atmosphere. Thimbles provide transitions for exhaust piping where it is necessary to pass exhaust pipe through walls and roofs safely to the outside atmosphere.

Available in stainless steel. Roof thimbles have been designed for standard 8 thick roof applications. 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. Inexhaust thimbles conform to nfpa 37 and 110.

Dme offers a heavy duty style roof wall exhaust pipe thimble for combustible applications. 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. Fabricated with a 2 thick 2300 degree rated high temperature insulation with built in pipe guide eliminating hot spots. Size a dwg no iecwt rev 0 sheet 1 exhaust components ltd is prohibited of 1 industrial exhaust components ltd.

Install the thimble through the penetration so that the exterior flashing is flush to the roof wall clocking as needed. Custom roof thimble lengths are available upon request. Ampco installation guide 2 mb pdf performance data 63 kb pdf for use where pipe passes through a combustible roof or structure. Thimbles are critical in complying with local fire and safety regulations by protecting wall and roof material from exhaust pipe heat.

The thimbles prevent exhaust pipe heat from being transmitted to the combustible material. Pitched roof thimbles available contact factory for more details. The thimble must extend at least 9 inches 229mm 10 inches 250mm recommended above and below roof construction. All dimensions are in inches.

Before installing you should obtain the most up to date copies of local codes applicable to generator set or other applicable installation. Picture of gt exhaust thimble. Hapco insulated exhaust roof and wall thimbles are recommended for use with exhaust pipes that must pass through a structure. Mvt ventilated thimble assembly.

Standard construction carbon steel with high heat black enamel finish.