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.
Product number : SC-6IWT-2-P
TECHNICAL DRAWING :
