Metal threshings are used mainly to hide the joints of the floor coverings. They need them in order to make an inconspicuous threshold of interroom or entrance door.
Fastening method
Metal brewing
The desire for accuracy and beauty is an integral part of a human character. Everyone tries to organize order in his home. Therefore, various devices that do not allow to accumulate dust, preventing damage to floor coating, limiting slippages are very popular. An example of such accessories is metal thresholds. They serve to design various joints of finishing materials, surface transitions, as well as for processing and protection of angles.
A separate segment of such products performs other service features. For example, the inlet door threshold provides protection against drafts, clear fit of the door leaf, does not impart outsiders and even noise into the room. Metal threshings for the staircase do not allow foot to slip, protect the angle of steps from abrasion, and the coating of the step, if it is, it remains longer in excellent condition.
In order not to confuse later, we list all the methods that fittings are attached to a particular surface.
Open fasteners. As it is clear from the name, this method leaves visible heads of screws or anchors, which is screwed to the surface of the floor. This method is applied quite rarely. Today, the open visibility of fasteners does not use much popular.
The most common case of application is using the cheapest types of metal products. Usually it is a flat strip with rounded corners, in which holes with the so-called "Zenkovka" are made, where the screws of the screws are taken. As a result, a smooth surface is formed. This method is widely used when using PVC bellows. However, such products are also losing popularity.
Hidden fasteners. This type of installation has many advantages. No visible screws of screws, you can use any comfortable fastening elements for this purpose. Using the hidden installation, the floors for the floor are mounted, the surface of which is smooth, neat, coated - painted or with a textured layer of polymer composition.
Structurally, such a threshold of the entrance door is as follows. On the line, where the accessories will be located, there are screws and twist them so that the heads are in the surface of the shocking coatings. The threshold snaps from above. The connection is durable, not smooth over time, the part can be removed to replace or when it is necessary to change the coating.
The coolest way of hidden fasteners is an installation on glue or double-sided tape, which is applied directly to the floor surface. This connection is cheap, it is done quickly, used for thresholds, the height of which is small, and the bottom surface is flat. The connection is fragile initially, and we are weakening with time. Disassembling accessories with re-installation is impossible.
Types of products
Each type of such fittings, as a thoring, is used for certain purposes. To immediately designate the subject of the discussion, list the list:
- overhead;
- transition;
- Corner.
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Consider each type separately and briefly describe the main purpose.
Overhead aluminum threshold. In fact, a group of such accessories is quite numerous. There are not only metal products, PVC is often used. Similar thresholds for disguise, protection of the joint lines, for example, two lanes of linoleum, carpet, ceramic tiles are intended. Requirement for installation - the height of the stuck coatings should be the same.
- For fastening to the floor surface, both open and hidden installation is used.
- For disguise, screws from PVC are sometimes used.
- Hidden fasteners applied in most cases. It neatly and allows the use of painted thresholds, which look very stylish, beautiful, not disturbing, and complementing the floor design.
- The price of overhead thresholds is generally small, depends on the thickness, coating, the presence of the lining and so on.
The flarelogs with a flat bottom surface are used to mask joints, attached to the open way. Among this segment of products, there are frankly cheap options - just a metal strip or PVC. She has a small height, high enough flexibility. This requires a neat screw. In general, the quality is very low. But the price corresponds.
A special case of the use of classes with a flat bottom surface - the formation of non-slip zones. For example, on the inclined surface of the ceramic tile, which you need to go. Molds with a rubber insert, which at the same time hides the heads of the screws, do not allow slipping shoes.
The height of such fittings is insufficient to create problems when walking, but it is enough for the sole to have a good grip with a rubber overlay. The price of such thresholds is large enough, but they are narrow sockered, wear-resistant, fasten securely.
Overhead thresholds of various shapes are distributed. Depending on the wishes of the buyer or the thickness of the coating, they may have a convex top surface, the T-shaped for sealing between ceramic tiles or placement under conditions of thick coating or a significant height, if in such a way it is necessary to emphasize the design of the floor. Accordingly, the complexity of the product changes the price.
Transitional thresholds. This type of accessories is used to create a smooth transition either between coatings of different heights, or in the zones of docking, for example, the floor with the bottom of the door frame. Basic purpose - level difference compensation. Structurally performed to use hidden installation methods. Have a smooth and smooth surface. The height of the transition, which can be smoothed with such thresholds, is from 3 to 18 mm.
Western products with two types of outer part. Most of all are used with a semicircular surface, but the variants of the expanded angle are sufficiently popular (something similar to the plinth). It is widely used, for example, to design a transition from laminate to the tile.
Such a grade of the thresholds sometimes has a P-shaped recess on one side, which literally inserted one of the coatings. This approach is ideal for carpet - it is placed with a spatula or knife. The laminate edge is inserted without problems - such a coating has a standard thickness for such an operation.
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Thresholds for steps. Very popular type of fittings, as people constantly break their head with questions, how to protect the corner of the stage from choke, abrasion, and at the same time protect against slipping shoes and avoid possible injuries.
There are many constructive solutions of such thresholds. From an overhead steel corner, implying outdoor fasteners, to design solutions that do not simply form an angle, but also contain a rubber tab that prevents slide. The price of such thresholds is quite tangible. They can change the style, the height of the thief can be significant if it is necessary to fix, for example, carpet on the surface of the steps.
Hidden fasteners in its standard understanding, with the help of screws and plugs from PVC, for example, does not apply. For expensive variants of thresholds for steps, a combined approach is used.
A supporting part is mounted on the steps using open installation. It is snapped by the second, which is actually a spawning itself. Thus, both advantages of fastening techniques are connected - the maximum strength of the compound of the stage and the spawn, as well as the possibility of dismantling with re-installation.
Materials for manufacture
As mentioned above, there will be no thresholds from PVC. Among metal products there are several basic materials and alloys. They have different properties, the price, so the application depends on the specific purpose of use.
Aluminum (alloys based on it). You can say a recordable widespread material for manufacture. The lowest price, sufficient strength, rigidity. Of non-textile alloys, the profiles of complex shape for the use of hidden fasteners are formed. Soft alloys go to the thresholds of simple structures with an open installation method. For example, bands of overhead thresholds have their advantages:
- low price,
- sufficient flexibility
- Easy attachment.
The service life of this material is very large. The distribution of aluminum thresholds is due to an almost perfect combination of price / quality. In addition, the surface is well galvanized, anodized, covered with paints and polymer compositions.
Brass. Brass thresholds are a high price and a luxurious shine. This metal is almost never covered with paint. It is precisely the shade of gold. Brass thresholds are used to emphasize the design of the room, create a floor coating ensemble. The metal is almost no oxidized, racks to abrasion, not afraid of water. It looks like almost a copy of gold, and the price is much lower.
Steel, as well as iron-based alloys. Cleaners from such material are durable and durable. The price is low, mostly depends on the type of metal. It is rarely used non-oxidized alloys, as a result of which the raw thighs can be combed or change the color of the surface - the stains of oxides are darker or lighter.
Therefore, such a class of products is necessarily processed by paint or other types of coating. Basically, the installation is used outdoor fasteners, as steel alloys cannot provide stiffness at low thickness, and therefore hidden fasteners with snacking becomes difficult to access.
Stainless steel, non-oxidized alloys. Pretty exclusive type of product. The price is significant, the mass application does not make sense. Thresholds from stainless steel incredibly durable, they are very difficult to scratch. The surface is poorly chosen, which complicates the creation of coatings. But this is not necessary - it is the mirror glitter of polished metal or, on the contrary, a matte surface, which is difficult to damage.
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Molds from non-oxidized alloys are designed to create combined solutions. For example, to place rubber tabs. Most often, this metal is found in the strains for the stairs. Great dignity is indifference to the effects of moisture, and the strength is higher than that of aluminum, as well as its alloys.
Bronze. Roughly speaking, it is inherent in the exclusive price and exclusivity of products. These are only individual parties, limited quantity, under a clear construction project and so on. Usually, aluminum coated, imitating this very expensive material.
Type of coatings
The latter, which relates to simple types of springs, is a coating. We will list briefly, since there is nothing complicated.
Metal coatings are applied by anodizing surface. The threshings are immersed in a solution with fine particles of the coating, under the action of the electric current it forms a sufficiently durable layer. So make imitation of silver, bronze, gold on the aluminum profile.
Lamination is a method for applying a polymer layer. A thin film is applied to the surface, which is either harvested with high temperatures, or react with air. The result is excellent adhesion, good coating strength;
Coloring. There may be a monophonic surface, the imitation of various materials, is used as liquid compositions applied by static electricity and powder coatings.
Special types of thresholds
A separate segment is the necklands for doors. Their task is to hide the bottom gap between the door web and the floor. At the same time, a dense adjacent is provided, the possibility of insulation, drafts prevent, a barrier for noise and extraneous smells is created. Steel thresholds for standard door leaf are several heights, different designs, a rather wide zone can be formed in front of the input opening.
In the case of the door from the PVC profile, the task is more difficult. The bridges must take into account the configuration of the constructive, so the firms - doors manufacturers offer their own variants of aluminum thresholds, designed to use "pair" with a specific type of profile. There are different types of fasteners, from simple (for basic protection) to a particularly durable, providing strong loads.
On the example of aluminum thresholds for doors from PVC brand REHAU, the offer looks like this:
- Standard height boosters - 24 mm, it is planned to fasten directly to the floor surface, the task is to close the lower slot, prevent drafts;
- The reinforced threshings are 54 mm, placed in the deepening of the gear of the floor, the task is to provide high mechanical strength, protect against water penetration inside the room, serve as a mechanical stopper of the door for a dense closing, block the drafts.
With similar purposes, you can choose thresholds for the entrance doors made of steel and wood.
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