Screw or folding stairs save the space well, it is felt in houses with a small square. The folding staircase is quite convenient to go up to the attic or go into the basement, in assembled form, it quite easily enters the hatch cover. The screw staircase has an interesting design that is well suited to the design of most modern houses. Stairs of any type are always on sale in the store. Usually they are made of wood, or aluminum.
Some stairs can be folded in the form of an accordion, while others can be the form of the antennas of telescopic.
Metal is used for the manufacture of screw stairs. It can be steel, cast iron, aluminum, but can be used in the manufacture of this type of stairs and wood. These stairs are in a store in the form of sets, which are usually . Need to collect. The staircase is attached to the manufactured opening. It is necessary to turn the upper part of the stairs and attach the frame to the beams of the longitudinal or transverse appearance using screws with seventy millimeters long, and you can use nails a hundred millimeters long. The purchased staircase does not always coincide in height from floor to ceiling coating. For these purposes, you need to fit this staircase to the desired size, having drunk the lower part and processing it with a shirt.
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The screw staircase is usually released as a kit. For installation of a spiral staircase, they are first determined with the size. To do this, pull two cords diagonally, starting from the corners of the opening of the stairs, and then omit the oats, where the parts intersect and the points are noted to the floor for the contact of this plumb line with the floor.
Next, set a stubborn flange so that it with its center coincides with the point of the mark.
Then it is installed in the flange of the rod, which must be placed vertically. At the very end, a handrail is mounted. And at the end of the work, nuts are wrapped, while the divorce key is used, this is necessary for the safety of the device.