What do you offer to install in castles? The door to simultaneously put locks of various designs: for example, cylinder and lever. Also, do not neglect the additional armored and armored plating. These elements will protect the hull and the lock mechanism on the drilling and knocking. What material is used for filling leaf? The market can meet the door, the inner layer in which – honeycomb cardboard. However, this material has low thermal noise insulation characteristics.

Serious manufacturers use as a Filling penopropilen, polyurethane foam, mineral wool. What is the door frame will be installed? The design, made from a corner, are unstable to breaking, because it has a contour fit cladding sheet covering to box. For the same reason, she misses the cold and noise. It is necessary to choose a manufacturer that offers to install a box of pipe rectangular profile. It is more reliable. It is a simple and enhanced – Welded from 2 profiles. Also the basis of the construction can be formed sections of complex shape.

Its use, in addition to strength, makes it possible to drown the door leaf in a box. Plastic windows Plastic windows have been widely distribution. But still many do not know the main criteria for their selection. Tells you what questions to ask, picking up the design, Rafik Alekperov, head of Customer Group propleks (Russia’s largest producer of pvc window-profile of Austrian technologies). Which profile will be used? Profile – the main component of the plastic window on the quality of which depends on how many serve the entire structure.