Sash Run Up Block SKU: Sash Run Up Block In Stock 771 Available Pinit Download Image Please select from the options below: Finish : Brown White (WH) Size : 12mm Type : Sash Run Up Block Each Quantity discounts available QuantityPrice Quantity -+ £0.54 RRP (EX.VAT) Add to Basket DescriptionSash run up blocks are screwed into the frame with the slope facing the opening light or sash.If fitted to the base or sides of the window frame the run up blocks help with vertical alignment of the sash upon closing the stormproof window.When fitted to the top or head of the frame the run up blocks act as an anti-lift block for increased security.DocumentationData Card: Download