Concrete
What raw materials is concrete made of?
Concrete is a mixture of cement, water and filler (aggregates). In order to obtain the special properties of special concretes, special additives and admixtures are introduced into the concrete mix.
What are the varieties …
The alkalinity of the plaster is due to the presence of calcium hydroxide in it (lime lye). The decisive factor here is the water-soluble calcium hydroxide content.
What damage may occur then, when the outer shell is less permeable to water vapor, than masonry and plaster?
It may happen …
Types of mortars (wg DIN)
The following types of mortars are distinguished:
| Type of mortar (the ground) | Application | Minimum compressive strength |
| Pla and Plb Air-hardening lime mortar and water-hardening lime mortar | only for low mechanical loads | no requirements |
| Pic |
Paint rollers
The ability to store paint, and consequently the performance of the painting struggle.
Various factors decide about it, of which the most important is:
1) roller width,
2) shaft circumference,
3) roller cover type,
4) hair height.
The materials most often used as a roller coating …
Buildings of the ZL category
According to the division of buildings according to their purpose and method of use, residential buildings, collective residence and public utility buildings as well as parts of buildings constituting separate fire zones, is characterized by the appropriate risk category for humans, referred to as ZL:
1) ZL I …
In the specialist trade, carpet tiles of various qualities are offered, structure, surfaces and shades – the selection depends on their application (residential area, wet room, e.t.c.). The size of the tiles is 50 x 50 cm or 40 x 40 cm. Tiles …
Tassoglass wallpapers
We can additionally strengthen the wall with a very strong one, durable and impact-resistant and scratch-resistant finishing material – Tapetami Tasso. These are fiberglass mats, with different textures. It is worth using them in dry rooms, everywhere there, where the substrate is …
Disadvantages of paint coatings
The surface of the coating does not always turn out to be like this, what it should be like. Small lumps may appear on it, lumps, pollen. This is usually the result of using a dirty brush or roller. We can notice this disadvantage relatively early, during …
Fixing skirting boards
Skirting boards are used to cover the edges of the arranged surface and to protect the walls. For a professional and optically good solution, the following points should be observed:
• This must be taken into account when placing the skirting boards above the expansion joint, to make as a result …
Laying a wooden floor
For the construction of the substrate, on which the floor boards or finished parquet elements will be laid, two designs are possible.
On substrates that are already thermally and soundproofed, strong and flat (floating screeds, old floor structures) boards are arranged in three layers, …