Used for sealing the space between the grease duct or conduit and flashing. The storm collar must be sealed to the grease duct or conduit with appropriate sealant. It is supplied with flashing for flat roofs of adjustable flashing.
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Used for sealing the space between the grease duct or conduit and flashing. The ventilated collar must be sealed to the grease duct or conduit with appropriate sealant. It is supplied with ventilated flashing.
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