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GGP January 2015

13 TOOLBOX Toeing and heeling - get it right and cut out the remedials In a new regular series called ‘Toolbox,’ G-14 Installer of the Year winner, The Window Company (Contracts), offers expert advice to GGP readers on best practice in key areas of window and door installation. In the first article, senior fitter Lee Morton explains the importance of toeing and heeling windows and doors, and gives his own top tips. At The Window Company (Contracts), we toe and heel the sealed unit into every window sash or door frame we fit. For us, it is essential to achieve the necessary rigidity within the frame and to preserve the integrity of the sealed unit. It is also the best way we know of avoiding costly remedials caused by doors or windows catching, doors not locking or latching or sashes looking out of square within the frame. The process is simple and, while it adds a little bit of time to the installation, it’s more than worth it in terms of how much time it saves by not having to go back to fix problems. The first step is to install four packers into diagonally opposing corners of the frame or sash. In a sash, start with two at the bottom corner on the hinge side and then add two at the top corner on the handle side, leaving the other corners clear. Once you’ve checked that you have the sealed unit the right way round, fit the glass into the opening and if necessary add more packers until the glass looks square within the opening. Then, use a plastic glazing paddle at the top on the handle side to lever between the glass and the frame. This will lift up the frame and give you enough space to insert 1mm, 3mm or 5mm packers (depending on the fit) between the frame and the sash to keep the sash at the correct height and to give it the rigidity required. My top tips are: • Use the bridging packers supplied by the fabricator to bridge uneven frame surfaces. • Make sure the packers you fit do not cover or block the drainage holes in the frame. • Ensure that the packers are at least as wide as the sealed unit being installed. • Whenever possible, make sure that the packers are protruding slightly past the face of the glass so that there is no risk of the packer getting wedged behind the glass and causing a crack. • If you have trouble with toeing and heeling, it is probably because the window or door is not level. Don’t use excessive force to lift the MAXIMUM PERFORMANCE MAXIMUM VALUE PRICE FROM ONLY £27.50* www.ggp.com January 2015 *Based on a quantity of 10. sash because this will place unnecessary strain on the glass. Instead, correct the problem with the installation first! S338 Sure-Grip


GGP January 2015
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