Generator Exhaust Roof Thimble

When calculating height thimble must have a 9 clearance on each side of the wall.

Generator exhaust roof thimble.

Standard construction carbon steel with high heat black enamel finish. Thimble provides a weather tight seal when used with hi temperature sealant. Inexhaust thimbles conform to nfpa 37 and 110. Exhaust thimbles provide protective transitions for piping stack where it is necessary to pass through walls and or roofs safely to the outside atmosphere.

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. Size a dwg no iecwt rev 0 sheet 1 exhaust components ltd is prohibited of 1 industrial exhaust components ltd. To prevent warping outer flashing is not continuously. 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. Thimbles are critical in complying with local fire and safety regulations by protecting wall and roof material from exhaust pipe heat. Available in stainless steel. Wall and roof thimbles provide transitions where it is necessary to pass exhaust pipe through walls and roofs safely to the outside atmosphere.

Picture of gt exhaust thimble. Thimbles are critical in complying with local fire and safety regulations by protecting wall and roof material from exhaust pipe heat. The thimble must extend at least 9 inches 229mm 10 inches 250mm recommended above and below roof construction. Fabricated with a 2 thick 2300 degree rated high temperature insulation with built in pipe guide eliminating hot spots.

All dimensions are in inches. Hapco insulated exhaust roof and wall thimbles are recommended for use with exhaust pipes that must pass through a structure. Intended for roofs walls with non combustible materials.