Ventilated Roof Thimble

Manufactured from heavy gauge carbon steel.

Ventilated roof thimble.

Alz or galv 304 316. Catalog standard thimbles modeled for 8 thick wall and or flat roofs. Before installing you should obtain the most up to date copies of local codes applicable to generator set or other applicable installation. Wall and roof thimbles provide transitions where it is necessary to pass exhaust pipe through walls and roofs safely to the outside atmosphere.

Round type b gas vent. Wall roof thimble non insulated approved by rm 5 nov 13 approval date 9 9 require wall thickness before construction a e d d 1 2 typ 1 typ 1 typ 3 4 ventilation holes b exhaust clamp welded in place rain shroud attached to centre tube wall plates wall thimble notes. Length may be customized for variable wall and roof thickness. T 304 and t 316 stainless steel available.

Apply a bead of hi temperature rated sealant mil a 46106b 100 series rtv around the perimeter of the exterior flashing that will be in contact with the roof wall and is a minimum of. Hart cooley llc. The thimbles prevent exhaust pipe heat from being transmitted to the combustible material. Thimble to extend a minimum of 9 on each side of wall or roof.

6 6rv wt wall thimble. Adjusts 4 1 8 to 7 to fit wall thickness. Wall thimbles for class a chimney pipe and pellet vent pipe. Standard finish high heat black enamel.

Non insulated exhaust thimble are fabricated with standard carbon steel construction and a built in pipe guide that eliminates hot spots. Thb ventilated thimble. Se grand rapids mi 49512. Inexhaust thimbles conform to nfpa 37 and 110.

Also guides the chimney 6 above the roof line. Thb ventilated thimble. Ampco installation guide 2 mb pdf performance data 63 kb pdf for use where pipe passes through a combustible roof or structure. Can be fit to roof curbs and or roof pitch.

Insulated exhaust roof and wall thimbles are triple wall all stainless steel type 304 construction ventilation holes are located on each end to provide air cooling. Standard is carbon steel stainless steel available. One thb one fr one vtf and one vsc. Shop all the venting pipe wall thimbles from all the major brands like duravent metalbest and selkirk.

Cut a hole in the roof wall sized larger than the thimble diameter or as the installing contractor sees fit. Finished with high. Pvt pitched ventilated thimble. When an exhaust pipe passes thru a noncombustible concrete or cinder block wall or roof dme has the solution.

How to interpret part numbers specifications. When installed according to manufacturer specifications the wall thimble provides the required 1 inch air space to combustibles.