That doors served in the apartment to you many years, at their choice it is necessary to pay attention not only to reliability of fastening, but to the materials used at production of door and also to quality of finishing. Give it several minutes, and you will be able unmistakably to define the door capable to keep the functional properties for a long time.
Attentively examine door surfaces. Hillocks, impregnations, open time and various microscopic garbage demonstrate poor quality of door. Run hand over door cloth. Availability of roughnesses and unpleasant feelings give the product made with violation of technologies. If with small pressing to carry out on cloth by nail, on low-quality door varnish will peel off and there will be trace.
Look at door from face, it has to be equal. Refuse door if you notice deflection in the form of the eight. It arises at the wrong drying of wood and only over time considerably increases. Check side faces which have to be smooth similar to cloth.
If at doors there are inserts from glass, slightly shake it. Badly fixed glasses will begin to jingle. Also consider that if at the opaque party of glass there are spots, it will be impossible to eliminate their houses. Investigate door baguette regarding gaps, cracks and ledges in places of connections of framework and grids. External layer of doors usually are sheets MDF, chipboard or fibreboard. Take an interest of what material the paneling of your door is made. Cheap chipboard emits formaldehyde therefore it is more preferable than door with paneling from MDF. Good utilization properties doors from the combined materials have. They are made of MDF, trimmed with interline interval from valuable breeds of tree and covered with impregnations. For doors varnish, and wax is recognized as more resistant covering, revealing structure of tree, practically does not allow to distinguish panel framed doors from products from the massif. Besides, doors from MDF are less subject to deformation, than wooden. By the way, choosing doors from the massif, you remember that they cannot be subjected to humidity and sharp temperature differences. Otherwise the door can "lead", and there will be so-called ""effect of the propeller"".