Exhaust thimbles provide protective transitions for piping (stack) where it is necessary to pass through walls and/or roofs safely to the outside atmosphere. Intended for roofs & walls with non-combustible materials. Thimble provides a weather-tight seal when used with hi-temperature sealant.**
Thimbles are critical in complying with local fire and safety regulations by protecting wall and/or roof material from exhaust tube heat. All inExhaust thimbles conform to NFPA 37 and 110.
Catalog standard thimbles modeled for 8” thick wall and/or flat roofs. Thimble to extend a minimum of 9” on each side of wall or roof.
*Customizations: Can be fit to roof curbs and/or roof pitch. Length may be customized for variable wall and roof thickness. Standard is carbon steel, stainless steel available. Call for estimate.
**Pipe and/or tube not included with thimble, but may be ordered separately from factory. Sealant not included.
Alternative names for thimbles: stack, chimney, stack insulator
View Accessory Part Number Schema
Part Number | Nominal Size | OD-Outer Diameter | Weight |
---|---|---|---|
81T-020-L26 | 2 | 9 | 38 |
81P-020-L26 | 2.38 | 9 | 39 |
81T-025-L26 | 2.5 | 9 | 39 |
81P-025-L26 | 2.88 | 10 | 43 |
81T-030-L26 | 3 | 10 | 43 |
81P-030-L26 | 3.5 | 10 | 44 |
81T-035-L26 | 3.5 | 10 | 44 |
81P-035-L26 | 4 | 11 | 46 |
81T-040-L26 | 4 | 11 | 46 |
81P-040-L26 | 4.5 | 11 | 49 |
81T-050-L26 | 5 | 12 | 60 |
81P-050-L26 | 5.56 | 12 | 61 |
81T-060-L26 | 6 | 13 | 69 |
81P-060-L26 | 6.63 | 13 | 70 |
81T-080-L26 | 8 | 15 | 84 |
81P-080-L26 | 8.63 | 15 | 86 |
81T-100-L26 | 10 | 17 | 104 |
81P-100-L26 | 10.75 | 17 | 108 |
81T-120-L26 | 12 | 19 | 117 |
81P-120-L26 | 12.75 | 19 | 121 |
81-140-L26 | 14 | 20 | 131 |
81-160-L26 | 16 | 22 | 145 |
81-180-L26 | 18 | 26 | 180 |
81-200-L26 | 20 | 28 | 220 |