Roof Thimble Installation

With thimble installed and fastened to roof wall insert exhaust piping through the id hole of the thimble.

Roof thimble installation.

Available in stainless steel. Length may be customized for variable wall and roof thickness. When penetrating the ceiling ensure that all manufacturer s recommended clearances are maintained and that all local and national building code specifications are followed. Thimble to extend a minimum of 9 on each side of wall or roof.

Install the thimble through the penetration so that the exterior flashing is flush to the roof wall clocking as needed. Dme offers a heavy duty style roof wall exhaust pipe thimble for combustible applications. Note ensure that the exhaust piping is not in contact with the inner wall of the thimble. How to interpret part numbers specifications.

Ensure that enough exhaust piping is installed to be able to install the rain cap and clamp. Dme offers a heavy duty style roof and wall thimble for combustible applications. Mvt ventilated thimble assembly. Compact design meets nfpa 37 requirements features.

Of pipe not included. Basic stove vent kit includes everything except the pipe for a straight vertical through the roof stove pipe installation. A firestop is necessary at every point where. Installation changes from a sloping or horizontal to vertical.

Fabricated with a 2 thick 2300 degree rated high temperature insulation with built in pipe guide eliminating hot spots. Fabricated with a 2 thick 2300 degree rated high temperature insulation with built in pipe guide eliminating hot spots. Can be fit to roof curbs and or roof pitch. It supports up to 35 ft.

Standard construction carbon steel with high heat black enamel finish. Duravent duraplus 6 in. You should pack insulation snugly against the outside box frame of the thimble but never place insulation into the area within the thimbles s cylinder. Apply a bead of hi temperature rated sealant mil a 46106b 100 series rtv around the perimeter of the interior.

Ampco installation guide 2 mb pdf performance data 63 kb pdf for use where pipe passes through a combustible roof or structure. Install the interior flashing and clock as desired. Catalog standard thimbles modeled for 8 thick wall and or flat roofs. Standard is carbon steel stainless steel available.

Here we are putting a thimble in the roof of a 5th wheel trailer for a chimney which runs through a cabinet. Use a firestop support or roof support for this purpose. Insulated wall thimbles are designed so the thimble assembly will reduce the minimum 18 inch clearance to combustibles to a minimum of at least 2 clearance. Mvt ventilated thimble assembly.