Insulation of the foundation expanded clay with their hands

Welcome in our today's review will focus on the insulation of the basement foundation keramzitom.Uteplenie expanded clay - an inexpensive but effective way to basement insulation and the floor of the first floor.Typically, expanded clay insulation used in private wooden houses, cottages, or where insulation with modern materials is too expensive or impractical.Expanded clay has good thermal insulation properties, based on its physical and chemical properties: being a porous material, it creates an air cushion around the foundation and removes moisture from it.

foundation insulation technology outside keramzit

1. foundation must be free from soil, dug it up to the very foot.The width of the trench should be at least 80 cm away from the basement walls.The walls of the basement cleaned of soil residues and other contaminants and are prepared for waterproofing.
2. waterproofing insulation of expanded clay foundation can be made of coating method or roll materials, such as roofing material.Typically, the mastic asphalt is used as the most inexpensive, but effective means.Surface preparation for bituminous surface waterproofing involves the elimination of sharp corners and edges and the application of one or two layers of primer - a special primer.It is applied by brush or roller, achieving complete wetting of the surface.Drying time of the primer is typically less than a few hours.The bituminous waterproofing is of two types: hot and cold application.Bituminous mastics for hot application must be preheated to 180 degrees in any metal utensils.This can be done on an open fire or by gas burners.A cold paste is mixed and applied to the foundation surface with a roller.For high-quality waterproofing the foundation must be two or three layers of bituminous mastics.
   

   waterproofing process of coating method

3. Responsible phase insulation of the foundation expanded clay - a drainage device.In wet areas the groundwater level may be less than 1 meter.When wetted expanded clay loses some of its heat-insulating properties, so you need to take action on abstraction of water from the basement.To drainage pit dug at a certain distance from the base deeper than its depth.In the pit lay geotextile, poured a layer of gravel and laid the pipe in which the drilled holes with a diameter of 1-2 cm. Drainage pipe is filled with gravel, cover the top edges of the geotextile and covered with sand.
   

   Drainage around the house an important part

4. backfill claydite produced after waterproofing and drainage devices.The bottom of the trench is lined with a polyethylene film, the outer edge of which is to end in the drainage level, and inner overlap to form a foundation wall.This will prevent concrete block from absorbing ground moisture.Expanded clay for insulation should be dry, medium-sized, without inclusions debris.Backfill produce up to ground level, on top arrange blind area, protects from getting wet concrete block and siltation.
   

   sample of expanded clay backfill the foundation

5. otmostki device can significantly improve the thermal insulation properties of expanded clay layer.To make the blind area formwork satisfied the perimeter of the building height of 10-15 cm, laid reinforcing mesh and fill it with concrete.The concrete can be added to the composition of penetrating waterproofing - it will improve its waterproof properties.

Insulation expanded clay cap

for thermal insulation of expanded clay cap must be a protective wall of the device.It is most often made of brick, laying wall at a distance of 20-30 cm to the top level of the foundation.Masonry are in a half-brick with bandaging.Between the foundation and poured concrete block wall protection and operate over a horizontal roll waterproofing of the foundation, backfill and masonry.

insulation foundation expanded clay inside

Along with external thermal insulation, concrete block can be used for thermal insulation of underground space.To do this, perform the expanded clay backfill the entire interior space under the floor, or by running the casing on the perimeter and pave its bottom with plastic wrap, poured concrete block along the foundation walls.A layer of expanded clay should be such that between the expanded clay and the sub-floor was not formed cracks.On top of a solid expanded clay backfill can be laid rough plank floors, or perform pouring concrete on the reinforcement layer.

Insulation expanded clay - one of the oldest and most proven method of insulation of the foundation, but sometimes it is not efficient enough.In this case it is possible to use other, more modern methods, such as insulation of the foundation Penoplex or polyurethane foam.