In the representative room, on plaster made of PII mortar, already painted with dispersion paint, metallized wallpaper is to be applied. Please list the necessary steps for applying metallic wallpapers
These steps are as follows:
1) abrasion of the plaster surface;…
Room walls, plastered with mortar from the PII group, covered with cork wallpaper. It is planned to cover the walls with textile wallpaper. Please list the necessary steps
These steps are as follows:
1) removal of cork wallpaper by soaking, detachment and detachment;
2) repairing small damage to plaster with the use of …
Old PVC windows are to be painted. Please list the necessary steps These steps are as follows:
1) cleaning the plastic with a mixture of a surfactant and ammonia solution and grinding with an abrasive cloth;
2) primed with polyurethane varnish;
3) topcoat with polyurethane varnish.
Apart from …
Basic design solutions of shut-off dampers and their characteristics.
In the case of fire ventilation cut-off dampers, in addition to design solutions, which are used with the fire dampers discussed earlier, wing flaps are also available on the market. The basic design difference has its justification …
Solutions for energy-efficient buildings, and in particular for buildings with the Passive House standard, they say nothing about the aesthetic canons according to which such a building is to be built. The guidelines for energy efficiency affect the shape of the building, but slight on its finish.
Today …
The materials of the light wood wool boards contain cement as a binder. In combination with water contained in humid air, cement gives a strongly alkaline reaction. It makes it, that alkyd varnishes are saponified and become water-soluble.
Veneered interior doors have …
Aluminium
Why aluminum can be anodized and what is it about? Anodized aluminum is an electrically oxidized aluminum. An oxide layer is electrochemically deposited on the aluminum surface, increasing the resistance of this surface. At the same time, different colors can be obtained by anodizing.
Large aluminum windows …
In the tank of the new sewage treatment plant, the built-in and already primed steel elements were intended for painting. About 10% the surface of steel elements shows corrosion. The coating must be resistant to the effects of wastewater with a pH value of 1. Please list the necessary painting activities …
A new floated plaster is to be made on the plaster of the Stair Mother. Please list one by one the works that make up its execution
The works related to the implementation of floated plaster are as follows:
1) sandblasting the existing plaster, repairing minor damage to plaster with gypsum-based putty;…
Please compare the thermal insulation from the outside with the thermal insulation from the inside in terms of the conditions of water vapor condensation in the wall
Temperature distribution in the cross-section of the wall at the same internal and external temperature values:
When the wall has no thermal insulation, temperature …