Plasterboard
As can be said, whether the plasterboards can be used in rooms with high air humidity, no risk of damage?
Building plasterboards are suitable for rooms with high air humidity, type B, impregnated (Shortcut …
Open fireplace
Open fireplace – A fire is kindled on a non-flammable surface. The exhaust gases are rising, they accumulate in the collective collector and are discharged to the chimney, which in turn must pull them out. An open fireplace places particularly high demands on the chimney. They condition …
Repair of a concrete floor
A new coating will be applied to the concrete floors in the supermarket's warehouse. These floors will also have to bear the load of forklifts. At the examination
on the substrate, a layer of scale was found. Please list the coating steps one by one
Coating activities …
Painting the concrete floor of the balcony
The concrete floors of the balconies are to be painted. The balconies were exposed to the elements for several years, but no damage has been found yet. Please list the steps for applying the coating to the concrete floors of the balconies one by one
These steps are as follows:
1) Purification …
Silicate paints and concrete
Please justify, why silicate paints, despite the many positive qualities, less than others, they are suitable for making topcoats in places of repair and reinforcement of concrete elements
Concrete covered with silicate paint cannot be realkalised. Admittedly, the silicate paint coating is in the condition …
Rust removal devices
Needle rust remover for compressed air
This hand-held device resembles a drill, in which needle bundles are mounted instead of the drill chuck, attached slidably. After connecting the device to the compressor and turning it on, the moving needles are made to vibrate under the action of compressed air …
Grinders – for the preparation of the substrate
Depending on the type of drive, grinders can be divided into two groups. A distinction is made between electric and pneumatic grinders. In electrically powered devices, the driving source – electric engine – it is built in at the factory. That is why such devices are very handy and …
Designing a passive building
That the energy-saving building functions properly, a suitable plot of land must be found for him. The best one will be this one, on which it will be possible to build a south-oriented house, but do not worry about deviations from this direction reaching several degrees. Okay, if the width of the plot allowed for …
A house with zero energy requirements for heating
There are already single-family houses, the so-called. zero-energy in relation to the energy demand in general (for heating, powering devices, lighting, cooking). They do not require any external energy supply and ensure the maintenance of adequate thermal comfort.
To reduce consumption …
Building fire alarm systems
On fire protection of buildings, other buildings and areas in high and high-rise public utility buildings and collective residence, it is required to use a fire alarm system and sound warning system. A fire alarm system is understood as an installation, covering devices …