Ventilated Roof Thimble

The thimbles prevent exhaust pipe heat from being transmitted to the combustible material.

Ventilated roof thimble.

Standard finish high heat black enamel. Se grand rapids mi 49512. 5030 corporate exchange blvd. Thb ventilated thimble.

Duravent 4 inner diameter pelletvent pro type l chimney pipe double wall 13 wall thimble air intake kit with 3 diameter flex hose model. Alz or galv 304 316. Insulated exhaust roof and wall thimbles are triple wall all stainless steel type 304 construction. Mvt ventilated thimble assembly.

When installed according to manufacturer specifications the wall thimble provides the required 1 inch air space to combustibles. When an exhaust pipe passes thru a noncombustible concrete or cinder block wall or roof dme has the solution. Hapco insulated exhaust roof and wall thimbles are recommended for use with exhaust pipes that must pass through a structure. Adjusts 4 1 8 to 7 to fit wall thickness.

6 6rv wt wall thimble. 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. How to interpret part numbers specifications.

Round type b gas vent. One thb one fr one vtf and one vsc. T 304 and t 316 stainless steel available. Also guides the chimney 6 above the roof line.

Mvt ventilated thimble assembly.