Offers simple solution to sealing around 100mm boiler flues, replacing the need for both mortar and weather collar. Helps prevent heat loss and pest infestation, can be installed in any weather and is UV-resistant. Can also be installed from inside, saving costs on scaffolding for installations at height. Long-Lasting Airtight Solution Fits 152mm Core-Drilled Hole

Price: £12.99 from Screwfix

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Stockist	Product Name	Price
Screwfix	PipeSnug All-in-One White Collar & Seal	£12.99	Visit Store