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 varieties of concrete are distinguished, depending on its density? …
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 |
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 …
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, …
Subsoil – cement screed, pavement asphalt or load-bearing base for hardboard flooring – it must be completely flat and dry. A putty, floorless substrate is not suitable for this. If necessary, tested plane heights can be carried out for this work …
For painting smaller surfaces of walls and ceilings, we can use a flat brush with a width of approx 15 cm. The work will take a little longer, than using a bench brush, but in the absence of practice, the paint will be spread more carefully and accurately.
If we paint with a brush, it is generally …
Building conditions
Raw ceiling, on which the floor is to be built must be completely dry. In new construction, therefore, a waiting period must at least be observed 6 better 10 weeks.
Of course, floor coverings are laid only after the walls have been plastered over. So that …
Wooden plank floors give the room a particularly pleasant atmosphere. They also have a significant insulating value, they keep the legs warm, they are wear-resistant and easy to care for. Wooden floors are laid over concrete ones, raw ceilings, on a base made of wooden squares. …