Ventilated Roof Thimble

When an exhaust pipe passes thru a noncombustible concrete or cinder block wall or roof dme has the solution.

Ventilated roof thimble.

When installed according to manufacturer specifications the wall thimble provides the required 1 inch air space to combustibles. Inexhaust thimbles conform to nfpa 37 and 110. Wall thimbles for class a chimney pipe and pellet vent pipe. Length may be customized for variable wall and roof thickness.

Standard finish high heat black enamel. Round type b gas vent. How to interpret part numbers specifications. Standard is carbon steel stainless steel available.

T 304 and t 316 stainless steel available. Mvt ventilated thimble assembly. 6 6rv wt wall thimble. Ampco installation guide 2 mb pdf performance data 63 kb pdf for use where pipe passes through a combustible roof or structure.

Se grand rapids mi 49512. Hart cooley llc. Pvt pitched ventilated thimble. Manufactured from heavy gauge carbon steel.

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. 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. Wall and roof thimbles provide transitions where it is necessary to pass exhaust pipe through walls and roofs safely to the outside atmosphere. Alz or galv 304 316.

Cut a hole in the roof wall sized larger than the thimble diameter or as the installing contractor sees fit. Finished with high. Before installing you should obtain the most up to date copies of local codes applicable to generator set or other applicable installation. Shop all the venting pipe wall thimbles from all the major brands like duravent metalbest and selkirk.

The thimbles prevent exhaust pipe heat from being transmitted to the combustible material. Also guides the chimney 6 above the roof line. Catalog standard thimbles modeled for 8 thick wall and or flat roofs. Thb ventilated thimble.

Adjusts 4 1 8 to 7 to fit wall thickness. Mvt ventilated thimble assembly. Thb ventilated thimble. Thimble to extend a minimum of 9 on each side of wall or roof.

5030 corporate exchange blvd. Non insulated exhaust thimble are fabricated with standard carbon steel construction and a built in pipe guide that eliminates hot spots.