Ventilated Roof Thimble

T 304 and t 316 stainless steel available.

Ventilated roof thimble.

Pvt pitched ventilated thimble. How to interpret part numbers specifications. When an exhaust pipe passes thru a noncombustible concrete or cinder block wall or roof dme has the solution. Standard is carbon steel stainless steel available.

Wall and roof thimbles provide transitions where it is necessary to pass exhaust pipe through walls and roofs safely to the outside atmosphere. Manufactured from heavy gauge carbon steel. Cut a hole in the roof wall sized larger than the thimble diameter or as the installing contractor sees fit. The thimbles prevent exhaust pipe heat from being transmitted to the combustible material.

Ampco installation guide 2 mb pdf performance data 63 kb pdf for use where pipe passes through a combustible roof or structure. When installed according to manufacturer specifications the wall thimble provides the required 1 inch air space to combustibles. Also guides the chimney 6 above the roof line. Thb ventilated thimble.

Wall thimbles for class a chimney pipe and pellet vent pipe. Alz or galv 304 316. 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. Round type b gas vent.

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. Thb ventilated thimble. Finished with high. Non insulated exhaust thimble are fabricated with standard carbon steel construction and a built in pipe guide that eliminates hot spots.

6 6rv wt wall thimble. Se grand rapids mi 49512. Thimble to extend a minimum of 9 on each side of wall or roof. Shop all the venting pipe wall thimbles from all the major brands like duravent metalbest and selkirk.

Hart cooley llc. Mvt ventilated thimble assembly. One thb one fr one vtf and one vsc. Can be fit to roof curbs and or roof pitch.

Adjusts 4 1 8 to 7 to fit wall thickness. Standard finish high heat black enamel. 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. Length may be customized for variable wall and roof thickness.

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.