Roof Thimble Installation

Ampco installation guide 2 mb pdf performance data 63 kb pdf for use where pipe passes through a combustible roof or structure.

Roof thimble installation.

Thimble to extend a minimum of 9 on each side of wall or roof. Basic stove vent kit includes everything except the pipe for a straight vertical through the roof stove pipe installation. Can be fit to roof curbs and or roof pitch. Length may be customized for variable wall and roof thickness.

Use a firestop support or roof support for this purpose. Apply a bead of hi temperature rated sealant mil a 46106b 100 series rtv around the perimeter of the interior. When penetrating the ceiling ensure that all manufacturer s recommended clearances are maintained and that all local and national building code specifications are followed. How to interpret part numbers specifications.

Roof wall thimble. Note ensure that the exhaust piping is not in contact with the inner wall of the thimble. Dme offers a heavy duty style roof and wall thimble for combustible applications. Standard is carbon steel stainless steel available.

Standard construction carbon steel with high heat black enamel finish. Install the thimble through the penetration so that the exterior flashing is flush to the roof wall clocking as needed. Fabricated with a 2 thick 2300 degree rated high temperature insulation with built in pipe guide eliminating hot spots. 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.

Installation changes from a sloping or horizontal to vertical. Also guides the chimney 6 above the roof line. 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. Here we are putting a thimble in the roof of a 5th wheel trailer for a chimney which runs through a cabinet.

Ensure that enough exhaust piping is installed to be able to install the rain cap and clamp. Mvt ventilated thimble assembly. Of pipe not included. A firestop is necessary at every point where.

It supports up to 35 ft. Compact design meets nfpa 37 requirements features. Available in stainless steel. Mvt ventilated thimble assembly.

Install the interior flashing and clock as desired. With thimble installed and fastened to roof wall insert exhaust piping through the id hole of the thimble. Thd sku 550152. Catalog standard thimbles modeled for 8 thick wall and or flat roofs.