Run up blocks are normally factory fitted and have a couple of functions. They are fixed into the frame with Screws, Nails or designed to clip in to a specific profile design. They have a sloped design facing the opening light. The function depends upon the location in the frame. On the base or sides of the frame the run up blocks aid with sash positioning on closing the window or door. When on the top or head they act as an anti-lift block to increase security.
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Glazpart is consulted before specifying.
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| Typical Use (?) | Aluminium windows , Timber windows , U-PVC windows | |
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| Uniclass (?) | Pr_20_85_32 Frames and grids | |