SF55 Chimney Block SKU: SF55-BK In Stock 172 Available Pinit Download Image Each Quantity discounts available QuantityPrice Quantity -+ £1.48 RRP (EX.VAT) Add to Basket DescriptionSBD chimney block is located on the top rail of the sash to act as a dog bolt for extra security.Two are required per sash.Successfully used on our Part Q Test.DocumentationTechnical DWG Drawing: DownloadTechnical PDF Drawing: DownloadData Card: Download