High-quality installation of a water heated floor
Determine the level of the future floor. To do this, we make the following parameters in our calculations:After a week or two, you can begin to lay foam on concrete. As we have already said, its thickness is 5 cm and its density is 35. We pay special attention to the corners, making sure that the foam plastic adheres to them tightly. The second layer of foam is placed with a displacement, in order to overlap the slots between the plates of foam. The material should fit snugly to the walls of the house. If gaps remain, they must be replaced with foam. The last layer of foam that we are styling is with heat reflectors. It has excellent thermal insulation characteristics. Foam is 2 cm thick, cut into strips of 8-10 cm and overlay them with the perimeter of the house. We foam the joints between the heat reflector and polystyrene strips. Do not allow there to be any slots. Divide the entire floor area into squares (heating circuits). The size of the squares - 6-8 m ². We put beacons for the concrete screed. The space between the squares must be closed with foam.Lay out the pipes for heating so that the distance between them is not less than 12 cm. To date, the best option is PE-RT polyethylene brands. Our supply and return pipes run parallel to each other. Fix them with special studs.Step 8. On the laid pipes make a concrete screed. The thickness of it should be at least 7 cm. In the concrete mixture we add fiber, for better reinforcement of concrete. Rubble for concreting is better to take fractions of 3-5, and instead of sand in the mixture add granite. By tamping method (long ram-tamping, the edges of which lie on the lighthouses) carefully pour concrete.Having finished the screed, we cover the floor with plastic wrap and water it every day for a month or two.After that, we grind the concrete floor with a bulgarian with a diamond circle.You can begin to lay tiles. To do this, we buy a special glue for a warm floor. It is necessary to lay tiles from the center to the edges. This should be done carefully, slowly, making sure that the tile is properly glued to the concrete. This will ensure good thermal conductivity of the floor. Joints between the intended squares should be covered with silicone. When laying the tiles, do not forget to leave a gap near the walls of 0.5-1 cm. [/L_REPEAT]
- Floor thickness. The best option is tile. Its thickness is –1.1 - 1.5 cm.
- a layer of glue on which the tile will sit - 1 - 1.5 cm.
- a layer of concrete mortar under the main screed - 6 - 7 cm. If its thickness is less, there is a risk that the concrete will crack.
- additional foam layer with a reflector - 2.5 cm.
- thickness of foam layers - 5 + 5 cm.
- the thickness of the concrete under the roughing screed - 7-8 cm.
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