Nails, the floor is

A special device with a special device in every 150 mm shoot bolts-stands made of light plastic with a special device. A plastic or wooden lag is laid on the rack bolts, with pre -made holes for bolts. With the help of a special key, the lag is attached to the rack. Twisting the stand-up bolts, the laid lags are laid in level, upon completion of work, the sticking bolts are cut off. Plywood sheets are laid on the lags (10 mm thick thickness) and fasten them with self -tapping screws or nails, the floor is laid upstairs. The distance between the lags is filled with insulation and a noise -pounding ribbon.