понедельник, 12 ноября 2012 г.
PVC foams (PVC)
PVC is manufactured like polystyrene. To start mixed blowing agent, methyl methacrylate and polyvinyl chloride latex.
These foams are obtained on the basis of PVC, as they contain ammonium carbonate blowing agent, methyl methacrylate, perchlorovinyl resin. By mixing the ingredients get songs, sliced into wafers. Then the plates are sent to the polymerization reactor in the liquid medium. Finished plates foamed at foaming agent.
PCV-2 and PCV-1 is of the type foam retardant materials, because they are under the influence of the local chamber ignition are off, and the last, all is self-extinguishing product.
How to choose the glue
Is any type of material has a special glue. Unsurpassed quality adhesives offered by popular manufacturers such as: Technicole, Bindulin, Locite, Praktikus, Henkel, Uhu, does care about the ordinary DIY. Therefore recommend a specific glue can not, simply specify exactly what glue can be used for any material or product. Such exotic combinations such as skin-on-ceramic or metal wallpaper on it will not work. In principle we can only advise adhesives for special products and refuse to adhesives containing solvents, they are versatile adhesives. We recommend the following combinations: Cardboard, paper: adhesive, gum arabic, wallpaper paste.
For gluing wood to cardboard and paper use sprayed contact adhesive for bonding and special surfaces - wood glue.
Fabric, felt and leather: Sprayable contact adhesive and wood glue for dense tissue and if the warp product.
воскресенье, 11 ноября 2012 г.
How to choose a tile Fenolitovye
However, they are not only used for floors, they are used for the walls of some cultural, communal and industrial premises. They are water-and acid-resistant and does not adsorb mercury. Used for interior walls production plants, laboratories and other facilities, which probably chemically aggressive environments on the lining.
In the production of such tiles give a different color. They are stacked on pasta and asphalt mastic, and cement on a solution to the device layer of acid corrosion bituminous mastics.
Cladding sheets and plates
When finishing the surfaces of walls and partitions are widely used cladding plates and sheets, which are obtained on the basis of polymers and mineral binders.
Gypsum sheathing sheets (plasterboard) used for interior surfaces in all areas where the operating conditions humidity does not exceed sixty percent. At the highest humidity sheetrock warp, come unstuck from the mastic, sometimes blistering, adhesion of gypsum board must be hard to board with his hands tearing stratified and not come unstuck. The surface of these sheets must be flat, smooth, and the front side should be without strain cardboard strips and patches.
How to choose Ruberoid
Forty years ago the problem was solved very easy: asphalt, roofing, roofing material - previously it was all a choice of roofing materials. Now, on this issue, many people think a good: only hardly make both types of roofing material is a lot, and they may differ among themselves as the earth and sky.
Task of selecting the roofing material can be divided into three parts. Part One: The need to define the desired goals of roofing material. Part two: select the appropriate choice for the goals that will meet the allocated funds. Part three: make sure as roofing material.
Smart home lighting control and apartments
That is, when placing the switch at the end of a dark, long corridors, in order to turn it on, you need to approach it in the dark. And when you need to leave the room, again, want to first turn off the light, and then, in the dark to go back. The problem, of course, can not avoid turning off the light in the hallway. But, as a result, will spend an excessive amount of power.
If the corridor is part of the "smart home", these problems will not occur ever. In this case, you can solve the problem of lighting in different ways. First - install motion sensors in the room. They will allow the lighting is switched automatically, as soon as a person enters the room. Second - turn on the lights, you can use your voice, when people just say out loud command, had previously given remote control or telephone.
Installing the system in the house "smart" lighting control, you can still fine tune it in normal lighting possible
Plumbing work in the repair of the apartment.
Replacement of plumbing can be done under local or capital repairs. Large-scale events to replace water pipes and sewage must be done about once every 20-25 years. This period shall be based on the performance of pipes. As repair all metal pipes should be replaced by plastic, metal, etc.
When major repairs necessary to dilute the pipeline in accordance with the layout of the premises.
At the same time possible to replace sewer pipes. If there are any hidden sections of the pipeline need to be high quality insulated. You can use the special corrugated PVC pipe. It is used to protect the floor and walls of the possible leakage of water due to thermal expansion of the pipeline. It is also used for mechanical protection of the pipe.
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