In the northern part of China, floor heating is one of the ways to warm in the cold winter. Although the warmth of the floor heating is comfortable, the requirements for laying are strict. Do you know if the floor heating installation in your home is standardized? Do you know that every detail of the warm installation can not be ignored? Next, let's take a look at the installation steps of the floor heating.
2. Use four expansion bolts to level the manifold on the wall.
Third, the 10mm corner insulation board is glued along the wall with latex, pay attention to the paste should be flat, the lap joint should be strict.
4. Laying the insulation layer on the leveling layer, laying the aluminum foil on the floor heating insulation layer or pasting a layer of composite aluminum-plated polyester film with coordinate grid lines on the floor heating layer. The insulation layer should be laid flat.
5. Lay a 2mm steel wire mesh on aluminum foil paper with a spacing of 100×100mm and a specification of 2m×1m. To ensure the tightness of the laying, the steel mesh should be bundled with a cable tie. The warped parts should be steel. The nails are fixed on the floor. For the room with the waterproof layer, do not nail when fixing the wire mesh.
7. After checking whether the heating pipe is damaged and the pipe spacing meets the requirements, the hydrostatic test can be carried out. Injecting clean water from the water injection and exhaust valve, the test pressure is generally 1.5-2 times of the working pressure, but not less than 0.6Mpa. The pressure drop within 1 hour of the voltage regulation is not more than 0.05Mpa, and it is qualified if there is no leakage.
8. If the floor is more than 8m long, the expansion joint shall be provided with a size of 5-8mm, and the height shall be level with the fine stone concrete cushion. When the plastic pipe passes through the expansion joint, a flexible casing with a length of not less than 400 mm is to be provided. In the dense place of the water separator and the heating pipe, the bellows should be protected by a bellows of not less than 1000 mm. The expansion joint should be filled with an elastic expansion paste.
9. After the acceptance of the floor heating pipe is qualified, the fine stone concrete shall be backfilled, and the heating pipe shall maintain a pressure of not less than 0.4Mpa.
10. The water inlet of the floor heating water separator should be equipped with a filter to prevent foreign matter from entering the floor pipe loop.
Eleven, smear cement backfill to level, do the ground.
12. After connecting the main pipeline and the sub-catchment, the system shall be tested. The test pressure is 0.2 MPa of the system apex working pressure, and not less than 0.6 MPa. If the pressure drop is not more than 0.02 MPa in 20 minutes and the working pressure is reduced, no leakage is acceptable.
Every step of the floor heating installation is very important, directly related to the future use effect and the service life of the floor heating. Therefore, the owners should look for a professional floor heating installation company to ensure the quality and effectiveness of the installation.
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