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Problems with newly installed windows

Posted by Alton Cudjoe, on
Hi, We have had new windows installed in our property (uPVC casement at the back of the house and uPVC sash at the front). We do not feel the building company have completed the install correctly/to a good standard and not followed a good process by checking the windows and frames externally before installing. They have stated: "The windows are fitted and working. With only the external dressing to be undertaken." However, there are gaps between the brickwork and the old/existing timber frames that we noticed on a site meeting. Now 2-3 weeks after instal they are citing that contingency works are required to rectify. They have also used a lot of expanding foam and there gaps in some areas. The windows still all need to be 'made good' to look like new windows. We asked them if the windows were checked externally during creating the specification or when they measured the windows to order or pre-installation, and a second question was if they took any photos externally: "There was no scaffolding required for your project so no photos were taken of the external face of the windows, the windows were photographed from the inside. the windows were installed from the inside." "The windows were installed the day before our meeting as well as the day of the meeting. To reiterate the gap is caused, by the fact that the windows have been installed plum i.e all horizontal and vertical lines are at right angles, The structural opening in not plum which has resulted in the gaps. The normal tolerance of gap around the window is 10mm to allow for installation and sealing with silicone as required. The installer brought the gap to my attention at my site meeting with them, and suggested that in places the gap tolerance is larger than 10mm that it is filled with mortar and then silicone." We have taken pictures of all the new windows and would really love some advice please. Thank you in advance.
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