Reliability bath depends on how properly selected foundation design and how well it is laid.
Be sure to take into account the properties of the soil on which it is planned to build a sauna, and carefully consider all the details of construction.
You will need
- 1. Shovel,
- 2. Sand,
- 3. rubble,
- 4. concrete,
- 5. level,
- 6. roofing material,
- 7. brick.
The most common type of foundation under the bath- Belt. He is well suited to the sandy, rocky, dry clay soils. If the site is located in a valley, close to the raw areas, strip foundation should not be used for baths. Consider the location of the base, mark the place where will be placed vents for ventilation. Underground baths have to be well ventilated, otherwise the conditions for the emergence of growth of the fungus, as well as an unpleasant odor, many wooden parts baths are deteriorating. For wood chopped small enough bath foundation width of 25 - 30 cm. If the stone bath, and the foundation should be wider.
Dig a trench around the perimeter of the future saunas andalso in the field of internal load-bearing walls layout. Align the bottom of the trench sand, pour it granite chips or gravel and tamp well. The sole foundation should be 20 cm below the freezing depth of soil. For the middle band is the depth of not less than 75 cm, it is possible to slightly reduce this figure, if the soil is sandy and groundwater lie low.
Make a concrete trench fill, it mustbe above zero to 15 - 20 cm To fill the basement under the bath is used in standard concrete proportions:. 1 part cement, 1.5 - 2 parts water, 3 parts sand, 8 pieces of rubble.
Level the top layer of concrete usinggrout using level. You can bring the foundation to the desired height by means of a concrete pouring and formwork, or used as a plinth masonry. The top layer of the cap cover a waterproofing material - usually used for this roofing. Once your foundation is ready, give it to stand for at least 40 days (at a temperature of not less than 200, if the temperature is lower, while the increase of up to 60 days), and only then install it in the bath.