Generator Roof Thimble

Available in stainless steel.

Generator roof thimble.

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. The thimble must extend at least 9 inches 229mm 10 inches 250mm recommended above and below roof construction. One thb one fr one vtf and one vsc. Install the thimble through the penetration so that the exterior flashing is flush to the roof wall clocking as needed.

Hapco insulated exhaust roof and wall thimbles are recommended for use with exhaust pipes that must pass through a structure. Roof thimbles have been designed for standard 8 thick roof applications. Fabricated with a 2 thick 2300 degree rated high temperature insulation with built in pipe guide eliminating hot spots. Wall and roof thimbles provide transitions where it is necessary to pass exhaust pipe through walls and roofs safely to the outside atmosphere.

Also guides the chimney 6 above the roof line. Alz or galv 304 316. Meets or exceeds nfpa37 nfpa110. The thimbles prevent exhaust pipe heat from being transmitted to the combustible material.

Before installing you should obtain the most up to date copies of local codes applicable to generator set or other applicable installation. Mvt ventilated thimble assembly. Standard construction carbon steel with high heat black enamel finish. Pitched roof thimbles available contact factory for more details.

Custom roof thimble lengths are available upon request. 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. All dimensions are in inches.

All inexhaust thimbles conform to nfpa 37 and 110. Thimble provides a weather tight seal when used with hi temperature sealant thimbles are critical in complying with local fire and safety regulations by protecting wall and or roof material from exhaust tube heat. Thimbles provide transitions for exhaust piping where it is necessary to pass exhaust pipe through walls and roofs safely to the outside atmosphere. Thimbles are critical in complying with local fire and safety regulations by protecting wall and roof material from exhaust pipe heat.

Inexhaust thimbles conform to nfpa 37 and 110.