Protective protections

ROLSTAVNI

Modern role shutters or metal jalousie as them still name, executed of metal, almost have no cracks, and cavities of laths can be filled in by an effective heater that allows to protect heat. If windows are in addition closed rolstavnyami it allows to raise their thermal resistance, that is equivalent additional ostekleniyu. Warmed rolstavni increase temperature on an internal surface of glasses and, accordingly, indoors by 20 %.

Jalousie muffle the noise going fro the outside and, thereby, raise comfort inhabited or office space. The factor shumopogloscheniya makes to 37 dB. Svetopropuskanie it is possible to regulate a raising of shutters on necessary level. Fixing besstupenchataya, in any position.

Application of vertical rolled shutters considerably raises design of windows, doors, and as a whole they are organically entered in architectural styles of modern buildings. It is promoted by diverse colour scale and variants of their workmanship. Base colours white, beige, grey, brown. Complementary colours total to 150 shades. Are mounted rolstavni in apertures at any stage of building and after its end.

Main function rolstaven protection against penetration. They represent strong steel or aluminium laths (lameli), inserted into the vertical directing. The width of grooves directing is precisely equal to a thickness of laths, therefore they can move only in a vertical plane. Attempt to pull out them from grooves in what will not result — there is nothing to catch. Unless to cut out an aperture in a file of laths, but time and the disk detachable tool ("Bulgarian") for this purpose is required, for which else the power supply is necessary.

At an unprofitable method of installation the cavity or a box where shutters are cleaned, hangs over an aperture. Lameli dvizhutsya on the unprofitable grooves strengthened on an outer side of a wall. Such method is often applied post termination buildings or in that case when windows are in one plane with a wall.

The built in or latent method assumes utaplivanie the top box in an aperture so that its face sheet was zapodlitso with a wall or slightly acted. Then directing grooves will be walled in thickness of an aperture. The latent installation gives the most reliable protection. If unprofitable installation still gives chance to burglars by means of the special smart tool otsloit a design from a wall the built in installation does process of penetration by the problematic. It is necessary to break a wall part in an aperture. It is better, when the built in installation is conducted at the stage of building, but it is possible to apply it and later if in advance to keep dredging for grooves and the top box.

Laths can be steel or aluminium. Steel more strongly also give more reliable protection against breaking. But aluminium it is easier to lift and lower. If the main task — protection against breaking to apply the steel profile follows. Rolstavni on show-windows of many shops and the cafes, leaving on street, produce the steel. The thickness of sheet makes 1-2 mm at width lameley 100 mm. In other cases the preference is given to aluminium. Though and with it too it will be difficult to consult to robbers.

Lath plane — convexo-concave. A concave part — obverse. It is done for resistance increase to horizontal blow or pressure as the bent or formed profile gives in to mechanical effect more difficultly. For durability strengthening in aluminium profiles arrange a cross-section crosspiece. Steel laths have no it. Defect of a crosspiece that such profile not to warm any more while rolling steel or aluminium allow to place any foamy heat insulator in the closed cavity.

Plancks for windows are manufactured by width 40, 45 and thickness 8,75, 9 mm. For doors and show-windows of trading pavilions the width makes 55 mm, at a thickness of 13,5 mm. The profile for garage gate has width of 77 mm and a thickness of 18,5 mm. It is possible to apply to garage gate and ekstrudirovannyiy a profile from aluminium in width of 55 mm.

At manufacturing of rolling sheets the surface is covered with several layers of abrasive resistant polymeric cover. After each drawing cover passes roasting process. As a result it saves durability throughout long time and does not fade. It is made, first of all, for convenience of consumers as while in service there can be damages on separate laths. Them simply enough to replace on new and as colours proof, new laths will be indistinguishable from the old.

In our market import items from Germany and Italy are used. The German profiles basically aluminium, and they are a little bit thicker and stronger than the Italian. From Italy are delivered steel and aluminium rolstavni. The first are intended for protection, the second — a general purpose. From Germany the steel acts less often, and, basically, these are steel lameli from the zinced steel. They resist to corrosion is better.

Installation rolstaven has the specificity. To height of the third floor unprofitable installation is conducted from below, by means of a ladder. Above already only by means of industrial climbers.

The drive can be applied to management both manual, and electric. Manually it is more convenient to operate, if the weight rolstaven does not exceed 30-32 kg. At bolshem weight it is desirable to establish the electric drive. Unfortunately, installation of jalousie with the electric drive in already constructed building can spoil internal furnish. Therefore it is better to provide in advance a place for electric drive installation.

It is possible to apply the special inertsionno-spring mechanism to opening of low show-windows and various doors. But for it too there is a weight restriction in 80 kg. The electric drive and automatics of foreign firms (Somfy and others) is successfully applied. They give additional protection against breaking as are supplied by an electromagnetic brake at the power (not authorised) raising of shutters. The domestic electric drive is developed for window jalousie RP-1 also.

GARAGE GATE

Role garage gate are more convenient in circulation. Their opening is not influenced by height of a snowdrift which it is necessary to clear away every time at opening raspashnyih a collar. Them "does not tear" a wind when they are opened.

The cloth of gate consists of the separate horizontal laths connected among themselves on hinges. Plancks are bent and supply a necessary corner of a fold in the cleaned condition. The the section is more thin, the it is more turning corner. As a material for plates metal, a tree, plastic serves.

For all-the-year-round operation the warmed gate more approach. Sections represent the multilayered design consisting, for example, from metal plates between which there is a thermal protection from penopoliuretana.

If the steel it is obligatory with a corrosion-resistant coating is applied. The sheet is exposed otsinkovaniyu, and then on it put a first coat and the top protective layer poliestra the necessary colour. Running colours white, brown, sand.

Gate are closed tightly. Panels are densely connected for the account shpuntovannyih grooves. The bottom sawn-off shotgun of gate — V-shaped also supplies dense prileganie to a floor. From sides, for the best thermal protection, linings from nap materials are established.

To lift gate it is possible or manually, with the help torsionnoy springs, or by means of the electric elevating mechanism. The drive at will is equipped with radio management and then the holder can lift gate by means of the panel, not leaving from the car.

METAL FENCINGS

At a structure of fencings, gates, gate, a ladder handrail, elements of registration of an input domestic hire Cherepovets and other metal works is used. It prutki square section of the various size. Connection of elements of a fencing is made by two methods: welding and prikovkoy. Prikovka is when two or more rods are fastened among themselves by compression by means of separate prutka.

Welding, as is known, promotes corrosion formation. Its centres arise in remote places of connections. To reduce danger of their occurrence, connected parts carefully ground. Then only weld or press out. After that an item paint.

The set of the centres of corrosion arises at manufacturing of "deaf" gate from sheet metal when each sheet is welded on perimetre. In order to avoid it the design is applied filenchataya: sheet weld not on all plane, and on short directing, thereby considerably reducing the welding area.

To paint metal it is possible a kuzbass-varnish, the enamel, proof import paints («Tikurilla») or powder dyes. At first the ground, then dye is put and all it is varnished. It is possible to cover metal with a preparation "Scurvy". At the heart of its use the method of galvanising or otsinkovki lays.
Gennady Kalmykov Source: «the Building season» #9 (2004)

It is introduced: on March, 23rd, 2004

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