Giscolene  from  Giscosa:  quality  waterproofing  for  many  decades
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Protect the surface of the concrete floor
To protect the concrete floor, which is operated in the normal mode, or is subject to wear in areas with high traffic, there are several ways to protect the surface.
   Comparable ways: their cost, appearance and ability to perform the task to protect.
   In this article, we consider three ways to finish and protect the floor. Each of them has its advantages and disadvantages.
   Thin fil...

Finishing compositions based on water glass. Part 3
When used as part of exhaustion moderator comes coagulation and solidification of liquid glass. However, due to the presence in the composition of Portland cement with a finishing time is an increase strength of the coating due to hydration of cement minerals. Thus from colloids formed during the coagulation liquid glass are actively assigned to the water for hydration of cement, a porous media formed tumors filled Portland cement, which leads to...

Finishing compositions based on water glass. Part 2
Studies in Berlin Institute Federal institute for Materials Research and Testing, show that the average density of 1730 kg/m3 brick large proportion of pores having a size in excess of 1 micron is more than 90% [3] and they are responsible for the increased migration of fluids through brickwork.
   Most fully meet these requirements structure obtained by coagulation and water-soluble potassium silicate forming silica with a high sp...

Modernization and repair of self-propelled machines. (3)
Hardening electrolysis BORATING hinge pins and bushings mates working equipment hydraulic excavators EO-4121 (EA-4321) gives an increase in wear resistance 4-6 times compared to the bulk quenching details.
   Taking into account the high wear resistance of brazed blades, hardened sintered alloys (see Table 1), are recommended for carbide knives dumps graders DZ-122 and RS-98, combined machine E-405 based on KAMAZ, for front dumps a t...

Specialized exhibition Architecture. Construction (END)
Mari-lime brick and gas silicate blocks
   JSC "MZSK" produces silicate brick and a half, color (white, yellow, black, red, blue, green, brown).
   For the production of silica brick used quartz sand from quarries near the plant. Limestone enters the factory with Dobryatinskogo deposit Vladimir region. Silicate brick (Table 1) is used for masonry exterior and interior walls of buildings and structures, as well as ...

Geophysical processes primers and security. Part 5
In the center of Moscow can distinguish vertical structure comprising a crashing into the Earth`s crust magma elongated cylinder (Fig. 2) [5]. In the center section marked lack of extensive vertical zone converted waves ("blind spot"), going from the depths of 70-80 km to 7.5 km. Such "blind spots" are characteristic of the earth`s crust with the introduction of monolithic dense mantle rocks such as gabbro, diabase, etc. In such a zone Tashkent e...

Finishing compositions based on water glass. Part 1
The quality of the decoration of buildings for new construction and reconstruction depend not only on their aesthetic, but also the operational parameters, as good-quality finish - a guarantee of durable service basic designs, long maintenance-free operation, the costs for maintenance and care. Traditional binders used for the production of finishing compositions, liquid glass is widely used, but it has some drawback: coatings based on it gaining...

On possible amendments to the equation Griffiths
Griffith presented a picture of destruction allowed to formulate the problem of determining conditions of the beginning of crack propagation and find its general solution.
   As seen from the above schemes, in the process of crack propagation material directly adjacent to it "coasts" unloaded relaxes. This means that the stress and strain it decreases, and the elastic energy stored earlier in this area of ​​the body is re...

Construction skyscrapers - the requirements of modernity. Part 4
The program is a high-rise building in Moscow
   The project is now a high-rise building in Moscow is implemented in two main areas: the construction of business center "Moscow City" and implementation of the program of the Government of Moscow "New Ring of Russia."
   1. Moscow international business center "Moscow - City"
   The project includes the construction of buildings on the territory of abou...

Degree project - beginning of the road. (3)
Given the great diversity of subject matter and content of diplomas in various specialties, the jury is faced with great difficulties in determining the winners - "Who better violinist or a dancer?". Nevertheless, often based on emotional perception and can estimate the relevance and novelty, and the author`s contribution to the thesis project or job. Absolute winners in recent years have been graduates of Rostov CSO GASU St. Petersburg, Nizhny N...


 Information for builders



 Giscolene  from  Giscosa:  quality  waterproofing  for  many  decades

For more than 60 years in the world waterproofing of roofs used EPDM (ethylene-propylene-diene-monomer). Recently the Russian market a new product, certainly noteworthy builders. This polymer roofing membrane production by the Spanish company Giscosa.
   EPDM (ethylene-propylene-diene-monomer), - a synthetic rubber, which is similar in properties to the natural counterpart. He also elastic, durable and resistant to weather changes. The need for this material (in the U.S. and Canada) in those years was caused by rising construction using light metal ceilings, large flat roof area. Traditional coverage could not cope with the strains of structures caused by temperature changes. Under these conditions, can be very useful was the ability to demand a new material to regain its shape after the load, as well as resistance and retention of mechanical properties in all temperature ranges, resistance to UV and ozone. With all these remarkable properties of EPDM-membrane to this day are one of the main materials used in waterproofing of buildings and structures (roofs, facades, foundations, tunnels), as well as in many other areas (reservoirs, canals, etc.) .
   Benefits of EPDM-membrane Giscolene
   Wide range (membrane types):
   - Diaphragm Giscolene - thickness - 0.5 mm, 0.8 mm, 1 mm, 1.2 mm, 1.5 mm, 2 mm, 3 mm and 4 mm, width - from 1.5 m to 30 m pitch 1.5m length - 25 m, 30 m, under the order of 60 m
   - The membrane is a membrane Giscoterm Giscolene 120 width 1.5 m, length 100 m or 200 already deposited on it BTS-strips for heat sealing.
   Application of such a membrane stages and significantly reduce installation time waterproofing layer.
   - Diaphragm Giscolene Peel & Stick 120 is a film 120 Giscolene length of 10 m and a width of 1 m, covered with a layer of self-adhesive butyl, thickness 0.6 mm.
   This self-adhesive layer allows the film to stick to the dry level surface.
   A large variety of accessories for mounting and bonding
   Relatively light weight roof:
   - 1 m2 membrane thickness of 1.0 mm Giscolene 100 weighs 1.15 kg;
   - 1 m2 membrane thickness of 1.2 mm Giscolene 120 weighs 1.38 kg.
   Ease of transport and storage
   The strength and elasticity
   Material stretches well, does not break under load, capable of elastic stretch to 450% and returns to its original shape.
   Maximum tensile strength - more than 11.8 MPa.
   High speed stacking, minimal use of labor, the amount of repair work is reduced.
   Types of installation
   When fully gluing panels to the base using special adhesive developed by Giscosa.
   Climatic resistance
   The material is resistant to temperature extremes from -45 to +130 C, resistant to thermal shock to +250 C. The membrane does not respond to UV radiation and ozone exposure, frost resistant to -60 C.
   Environmental safety
   Giscolene fishfriendly membrane specifically designed to create artificial ponds where thrive and actively proliferate different species of fish. This testifies to the complete safety of the material for humans and the environment.
   In Russian conditions, performance of the material is stored for more than 50 years.