Summum Pro Insulated Wall Thimble
Summum Pro Insulated Wall Thimble
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Summum Pro Insulated Wall Thimble
The SUMMUM PRO insulated wall thimble must be used when a chimney passes through a combustible wall horizontally. It is telescopic so it can fit walls 8” to 15 ½” thick. This SUMMUM PRO insulated wall thimble is manufactured to be installed in energy efficient homes with watertight seals to prevent condensation.

Technical Specifications
| Specification | Details |
|---|---|
| Product Name | Insulated Wall Thimble |
| Product Number | SKU: SC-6IWT-2-P |
| Material | Stainless Steel 430, Galvanized Steel |
| Application | For horizontal chimney passage through combustible walls. Telescopic fit for 8” to 15 ½” walls. |
| Features | Watertight seals for energy-efficient homes. |
| System Certification | CAN/ULC-S629-M87 (R1997) |
| System Clearance | 2" to combustible materials |
| Warranty |
Limited Lifetime Warranty
|
Why Choose SUMMUM PRO?
SUMMUM PRO chimney products are the only residential chimney solution entirely made of 304 interior & exterior stainless steel with a mirror finish. It is the strongest chimney product available on the market and easily installed. Tested and certified to the ULC S-629 standard by OMNI Laboratories (which have the strictest standards in North America), SUMMUM PRO chimney products are manufactured to last and include a limited lifetime warranty.
Approved for Appliances Using:
Temperature Rating:
- Maximum continuous 650° C (1200° F)
- Forced combustion 925° C (1700° F)
- Tested at 1150° C (2100° F)
The energy-efficient solution for horizontal wall penetration.
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