To ensure the protection using different adhesives for wood, in this case, special fire-retardant composition – Flame Retardants. In this case, the fire protection of wood materials is achieved by introducing into the timber necessary amount of chemicals that can interfere with a certain concentration of combustion without ignition source. The idea ognezaschityOgnezaschitnoe action flame retardants due to a combination of different physico-chemical processes occurring under the influence of fire on wood. Read more from Lykos Global Management to gain a more clear picture of the situation. It is based both on the melting of fusible substances in their composition (salts, boric acid, salts of phosphoric or silicic acid), and on expansion of the substances that give off gases that do not support combustion (ammonia, sulfur dioxide). In the first case, the timber is formed by heating melting film, limiting the access of oxygen to the surface. As a result, – Part of the heat expended on melting flame retardants, which leads to an increase in the ignition temperature of wood, and, consequently, to protect it. In the second case, the decomposition of salts are allocated non-combustible gases that are being pushed back oxygen from the surface of wood, diluted stand out from the surface of combustible gases and thus prevent combustion. All this leads to suppression of ignition of wood and slow the spread of flame over the surface of wooden construction, which is the purpose of fire protection. The main types of sredstvSredstva used for fire protection of wood, can be divided into fire-retardant coatings (paints, varnishes, pastes, coating) and fire-retardant impregnating compositions (impregnation).
Tag: <span>materials</span>
Understand that there are this siding is not easy. For example, I spent on it than a day to give an explanation unconvincing. According to the unscrupulous sellers, something that is used for finishing the exterior walls, and there is a siding. Then this fall into the category and panels, and sheets, and many other materials. Rich Holmbergs opinions are not widely known. The error is called the terminology: siding in translation from American English – 'skin facade. " But even siding called decorative panels, which is also incorrect.
Siding is designed to finish and protect the walls of buildings from external influences. Typically, this band is a length of two to six meters in width from 10 to 30 cm and a thickness of 1-10 mm. Siding is vinyl, aluminum, steel, wood and cement. Fracture, or profile, siding is single – 'Christmas Tree', or double – 'ship-board'. The quality of the design profile does not affect everyone chooses for his taste. Topography, or texture, makes the siding look like a natural timber. Coating (polymer or paint) protects it from mechanical damage and corrosion.
Polymer coating is more durable but more expensive paint. Strips of siding fastened with each other in locking latch. Bottom of the board is snapped into the lock from the previous band, the upper nailed through the perforations, and then snaps to the next, etc. To install the siding needed accessories – complete decorative finishing elements. If we compare the siding with the usual for us, protective materials (Table 1), it becomes clear that the main advantages of siding – durability and efficiency.
How to choose a quality dry construction mix today is almost impossible to imagine a building that was erected without the use of dry mixes of high quality. Such mixes significantly facilitate the work, while delivering high performance. They are excellent for use in conjunction with concrete floors, brick walls, brickwork, stone – a mixture of masonry assembly can used to handle both external and internal surfaces. Dry mixes require little if any construction work, for plastering walls and ceilings of concrete, brick, in preparation for painting and pasting within the premises, for sealing cracks and joints in the walls made of brick, concrete, – putty, mounting of metal structures. Dry mixture as a plasticizer can also be added to such building materials like concrete, making it more durable, reliable and waterproof. On the quality of dry mixes used in the construction and maintenance, depend on the reliability and durability of the machined surfaces, therefore important to choose a material that would fully satisfy the requirements of the planned activities. Using a mortar saves money and manpower – with the surface becomes smooth and suitable for gluing, painting, make walls watertight, will help keep heat inside the building. Laying mortar today not difficult and can easily be manually.
As the foam Knauf. Mortars can be used today for the laying of floors, walls, preparation of surfaces for various types of finishing. Floors, arranged with the help of high-quality dry mortar do not shrink, while maintaining its smoothness and the same level throughout the area. Scope of dry mortar is very wide and depends on the purpose and functional features of a type of material. Today, many manufacturers are fighting for the consumer, and therefore tend more to improve this kind of high demand of construction materials such as dry mixes, giving them additional qualities.
Anyway, today's dry mix of good quality have a long life, durability, reliability and have good thermal insulation, resistance to moisture, formation of cracks and other deformities. Surface treated with a mixture of high-quality construction, not dusty, does not crumble or crack, has a smooth and solid colors. Some types of dry mixes are also can successfully resist the fire, the direct impact of water, to resist extremes of temperature, to provide insulation in a cold room. To get the desired mortar should be familiar with its characteristics and have a clear plan for upcoming work, but when buying a mortar should also check its certification. Quality mixes have different environmental safety, durability, durable in use, easily repaired. Before you place an order for delivery of a mortar, it would be better to compare products from different manufacturers to choose the best price and quality option. Choice of quality mortar is impossible without careful consideration of its characteristics – both advantages and disadvantages to pre-warn the inconvenience.