Any installation of window well produced window can ruin a bad installation. Statistics show that the majority of complaints related to faulty installation – this is condensation and mildew on the window slopes, cracks in the mounting seam leaks when it rains, local blowing and formation of ice. Installation of window designs relates to the building work and requires special training and permission to conduct this type of work – building permit Rosstroy RF. Assembly seam (installation) should be carried out in accordance with GOST 30971-2002. He is a special multi-layer system. Outer layer made of a special sealing materials, is a waterproofing and vapor-permeable.
For central – heat-insulating layer is applied polyurethane foam construction with the specified parameters on compression. The inner layer should be vapor barrier. At the same time observed certain GOST magnitude of the gap assembly, the number of attachment points and unconditional compliance with the vertical and horizontal levels. Depending on the material of the wall is chosen installation location window in the window opening. 5. Price services to replace the old window designs for new PVC windows, the sum of: – the cost of the window and directly depends on the size, shape, number and size of opening of the valves, the price of plastic, the thickness glass, the presence of additional features, the width of the window sill and drainage – the cost of the installation window, and materials for high-quality installation (depends on the square box) – trim the value of slopes (depending on the width and quality materials). In the major firms stood, delivery, recovery on the floor, cleaning up behind a large garbage already included in the cost of the order.
Must be interested the final price. 6. Discounts and low price discount may granted, most often when installing multiple window designs in the same apartment at the expense of reducing the transportation costs of shipping, saving installers time on travel and preparatory work. The dimensions of this discounts are modest. Save 10% and above should alert the reasonable people. What does this mean? Either the price was originally too high and you simply being manipulated, or you put the windows are not of the quality that you should get. That’s due to what You can reduce the price of the window: – use a thin plastic, the lack of reinforcement amplifiers, the use of twin-glass – simplified design of the windows, no lifter, functions mikroprovetrivaniya, cheap Accessories – no additional profiles for proper installation of window sills and drainage; – installation in violation of state standards. – Does not include the cost of additional services, the rise of the windows on the floor, etc. All of the above is just reach the desired 10-15% of the cost and reduce by half the quality. On the money saved you will get: purging after the destruction of foam from the sun, wet foam perfect place for the development of mold and mildew, frost and dew on the windows in the cold, sinking the valves, failure of hardware. This is a partial list of the defects of poor installation. After verifying the competence of the employees, the reality of price, availability guarantee commitments can make a contract and pay.