Ventilated Roof Thimble
5030 corporate exchange blvd.
Ventilated roof thimble. T 304 and t 316 stainless steel available. Round type b gas vent. Hapco insulated exhaust roof and wall thimbles are recommended for use with exhaust pipes that must pass through a structure. How to interpret part numbers specifications.
The thimbles prevent exhaust pipe heat from being transmitted to the combustible material. Pvt pitched ventilated thimble. Non insulated exhaust thimble are fabricated with standard carbon steel construction and a built in pipe guide that eliminates hot spots. Thb ventilated thimble.
Insulated exhaust roof and wall thimbles are triple wall all stainless steel type 304 construction. Mvt ventilated thimble assembly. 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.
One thb one fr one vtf and one vsc. 6 6rv wt wall thimble. Adjusts 4 1 8 to 7 to fit wall thickness. Alz or galv 304 316.
Standard finish high heat black enamel. Hart cooley llc. When installed according to manufacturer specifications the wall thimble provides the required 1 inch air space to combustibles. Mvt ventilated thimble assembly.
When an exhaust pipe passes thru a noncombustible concrete or cinder block wall or roof dme has the solution.