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Exterior insulation foam at home

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Due to the rise in price of gas, I decided to reduce the cost of heating and warm the house. Since the budget is very limited, it was necessary to dwell on the simplest form - to paste over the wall from the outside foam (50 mm).

Materials and tools

  • Foam (number of quadrature insulated surface);
  • The adhesive mixture. It is sold in 25 kg bags. One bag is enough for me to 12-13 sheets of foam (smear over the entire area);
  • The liquid coats the walls and to the brush or roller to its application, the bucket;
  • Polyurethane foam for sealing too wide joints, crevices;
  • Toothed spatula (do not take too large - 15-20 cm is quite enough;
  • Spatula typical or trowel;
  • Capacity for the preparation of adhesive;
  • Fasteners such as "umbrellas". At this thickness of foam, I took the "umbrella" of 120 mm. The amount of calculation: 5 "umbrellas" on a sheet;
  • Rotary hammer and drill with 10mm diameter working part 20-25 cm;
  • Mixer - cap for the gun. With it will need to get involved adhesive;
  • Mallet or hammer;
  • Knife to cut the foam (you can do hacksaw, for example).
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If you plan to grout immediately, you will have to buy another reinforcing mesh and blend for roughing and decorative plastering. In my case, the budget is not designed for this stage and I'll be plastered later.

Procedure

Start pasting sheets of foam better from the top, moving horizontally. Each lower row is shifted to the side, to receive the likeness of brickwork. If a list is not included, you will have a good measure dimensions and cut the desired piece.

  • Wall should be prepared: clean from dust and dirt (can be simple with a broom obmesti), and then covered with liquid primer and wait until it dries. This occurs for 2-4 hours (depending on temperature). If the wall has a resin, paint and other such pollutants should be carefully clean off. If there is too large irregularities, then it is better to knock off or cut.
  • According to the instructions on the package is mixed adhesive mixture. Water is better to add a little bit. When the glue is dry more convenient to operate with a spatula, and then brought to the desired condition mixer. All at once the kneading is not necessary, since the adhesive will gradually thicken and will have to work very quickly. I for one batch took half the bag.


  • Spatula or trowel finished mixture is applied to the sheet, and then uniformly distributed notched trowel. Particular attention should be paid to the corners and edges.


  • Next, I pressed the foam to the wall, lightly clapping his hands. Stick it quickly, so that keep a long time is not necessary.
  • In the next step the sheets must be fixed "umbrellas" 4 pieces at the corners and one in the center. For this first drilled hole of appropriate length.


  • The last stage - plastering. There is first attached a grid, and then applied plaster.
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