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Insulating a house wall with mineral wool and waterproofing the foundation

House insulation in Batumi: roof, walls, plinth, floor, windows

We do house insulation in Batumi around the whole envelope: the roof or attic, walls from outside, the plinth, the ground floor, windows in the insulation layer and thermal bridges at slabs and balconies. We start with a thermal camera and fixing damp, then the roof, facade and floor. Thickness is calculated for the walls and location: less by the sea, more in the mountains. Attic floor insulation from 60 ₾ per m².

from 60 ₾/m²attic floor insulation with 200 mm mineral wool, per m². The final price is confirmed once agreed.

  • Timeline: insulating a 150–200 m² house around the whole envelope usually takes 4–8 weeks
  • Warranty: Insulation carries a 2-year warranty
Get an estimate

Who it’s for

  • The house is cold in winter and the corners darken with condensation

  • It is hot under the roof in summer and the air conditioning cannot cope

  • You are building a house and want to insulate it properly from the start

  • A house in the Adjara mountains that is hard to heat

  • You want to install a smaller heat pump

What’s included

  • thermal imaging survey and airtightness test
  • thickness calculation and choice of insulation
  • insulating the roof or the attic floor
  • facade insulation with reveals
  • insulating the plinth and the ground floor
  • insulating floors over cold spaces
  • fitting windows in the insulation layer
  • a repeat survey after the works

Prices: house insulation

from 60 ₾/m²

WorkPrice
Loft floor insulation with 200 mm mineral wool, with materials60–78 ₾/m²
Pitched roof insulation with 200 mm mineral wool, vapour and wind barriers, with materials100–130 ₾/m²
Flat roof insulation with 100–150 mm XPS or PIR and a falls layer, with materials120–155 ₾/m²
Facade insulation with 100 mm EPS and reinforcement, without decorative coat, with materials115–145 ₾/m²
Facade insulation with 100 mm mineral wool and reinforcement, without decorative coat, with materials145–180 ₾/m²
Foundation and plinth insulation with XPS boards, with materials75–96 ₾/m²
Ground floor insulation: XPS boards under the screed with damp-proof and vapour barriers, with materials72–96 ₾/m²
Insulating the floor over a cold basement, garage or passage from below, with materials87–115 ₾/m²
Internal wall insulation (frame, insulation, vapour barrier, plasterboard), with materials135–180 ₾/m²
Fitting a window within the insulation layer on brackets with tapes, labour420–540 ₾/pc
House air tightness test and thermal imaging survey1 020–1 440 ₾/pc

attic floor insulation with 200 mm mineral wool, per m². The final price is confirmed once agreed.

House insulation in Batumi: the whole envelope, not one wall

House insulation in Batumi only makes sense as a whole. If you insulate the facade and leave the plinth, slab edges and reveals cold, condensation simply moves to where it is still cold. So we look at the house as an envelope: walls, roof, the floor on the ground or over a basement, the plinth, windows and every place where concrete runs from outside to inside. The insulation must be a continuous layer, and the vapour barrier unbroken. One uninsulated column or slab edge in a bedroom cancels out half the benefit, because that is exactly where the corner darkens in winter.

Where a house loses heat

Part of the houseWhat happens without insulationWhat we do
Roof and atticHeat from above in summer, heat loss in winterMineral wool on the attic floor or between rafters, boards on a flat roof
Walls and columnsCold corners, condensation, mouldExternal facade insulation in a continuous layer
Plinth and ground floorCold floor, damp from belowExtruded polystyrene under the screed and on the plinth
Windows and revealsCold frame perimeter, damp streaksInstallation in the insulation layer, insulated reveals
Balconies and canopiesConcrete carries heat outsideInsulating the slab above and below

Order of works

  • survey with a thermal camera and a moisture meter;
  • fixing leaks and damp in the walls;
  • insulating the roof or the attic floor;
  • insulating the facade and plinth together with the reveals;
  • insulating the floor if the screed is being opened up;
  • checking ventilation and a repeat survey.

We insulate the roof first: more heat escapes and more heat comes in through it than anywhere else; more on the roof insulation page. Walls are insulated externally to the rules described on the facade insulation page: mineral wool on aerated concrete, expanded polystyrene is possible on concrete.

How thick it needs to be

On the coast 50–100 mm on walls and 150–200 mm on the roof is usually enough; we calculate more precisely from the wall material and how the house is lived in. In the mountain villages of Adjara winters are cold and snowy, so there we use thicker insulation and take special care with the plinth; more on such houses on the houses in the Adjara mountains page. Insulating from inside is worth it only where the outside is not possible: with a vapour barrier without a single gap, otherwise the wall gets wet behind the insulation.

Insulation and heating

An insulated house needs noticeably less heating and cooling capacity. So insulation is best done before choosing a boiler or heat pump: the equipment is sized for the heat losses of the already insulated house and comes out smaller. More on heat pumps on the heat pumps page. After insulation the house becomes more airtight, and extract and supply ventilation become essential.

How much house insulation costs

Attic floor insulation with mineral wool costs from 60 ₾ per m², a pitched roof from 100 ₾, a flat roof from 120 ₾ per m². Facade insulation with expanded polystyrene from 115 ₾, with mineral wool from 145 ₾ per m², foundation and plinth from 75 ₾ per m². Ground floor insulation from 72 ₾, the floor over a cold basement from 87 ₾, a wall from inside from 135 ₾ per m². Fitting a window in the insulation layer from 420 ₾ per window, an airtightness test with a thermal imaging survey from 1 020 ₾. The final cost is set after a survey and an agreed estimate.

Stages and timelines

  1. Survey

    1–2 days

    Thermal camera, airtightness, humidity.

  2. Calculation

    3–5 days

    Thicknesses, materials, order, estimate.

  3. Roof

    1–2 weeks

    Attic, loft or flat roof.

  4. Facade and plinth

    2–5 weeks

    Insulation, mesh, reveals.

  5. Floor and check

    1–2 weeks

    Floor, slabs, repeat survey.

Local specifics in Batumi

On the Adjara coast winters are mild, and the main job of insulation is not so much to keep the heat in as to raise the temperature of the inner surfaces above the dew point. Humidity stays high for weeks in winter, and dark patches almost always appear on cold concrete in uninsulated houses. In summer the sun heats the roof and walls, and insulation keeps that heat out.

In the mountain villages of Adjara winters are cold and snowy, the heating season is long, and insulation is needed simply to be able to heat the house. There we use thicker insulation, and since snow against the wall holds moisture until spring, the plinth is insulated with extruded polystyrene taken down into the ground.

Materials and brands

Facade and roof mineral wool, expanded polystyrene, extruded polystyrene for the plinth and floor, PIR boards for flat roofs. Vapour barrier films and breather membranes, tapes and sealants for joints. Reinforcing mesh, adhesives, insulation anchors. Brackets and tapes for fitting windows in the insulation layer. A thermal camera, a moisture meter and airtightness test equipment.

What makes up the cost

Timeline: insulating a 150–200 m² house around the whole envelope usually takes 4–8 weeks

  • area of walls, roof and floor

What raises the cost

  • damp walls that need drying out first
  • internal insulation with finishes taken down
  • scaffolding and a complex facade
  • opening the screed to insulate the floor

What lowers the cost

  • insulation at the construction stage
  • a cold attic with access

We prepare the exact estimate from measurements and photos. It’s free and comes with no obligation.

Get an estimate

Guarantees

Insulation carries a 2-year warranty. Insulation materials, membranes and adhesives carry the manufacturer's warranty. Thermal images before and after and photos of the vapour barrier before covering go into the building file.

Questions and answers

How much does house insulation in Batumi cost?

Attic floor insulation costs from 60 ₾ per m², a pitched roof from 100 ₾, facade insulation with expanded polystyrene from 115 ₾, the plinth from 75 ₾, the ground floor from 72 ₾ per m². An airtightness test with a thermal camera from 1 020 ₾. The final cost is set after a survey and an agreed estimate.

What should be insulated first?

First remove damp and leaks, then insulate the roof or attic: more heat escapes and more heat comes in through it than anywhere else. Then the facade together with the plinth and reveals, and last the floor if it is being opened up anyway. A thermal camera before the works shows where most is lost.

Can a house be insulated from inside?

It can, but only where the outside is not possible: a historic facade, a party wall with a neighbour. The internal vapour barrier must be continuous, without a single gap, otherwise steam goes into the wall and condenses behind the insulation. Rooms also become smaller by the thickness of the insulation and lining.

How thick should insulation be in Batumi?

On the coast usually 50–100 mm on walls and 150–200 mm on the roof, more precisely by calculation for the wall material and how the house is lived in. More in the mountain villages. Too thin a layer does not stop condensation on inner walls, so it is not worth saving on thickness at corners and slab edges.

Is ventilation needed after insulation?

Yes. An insulated house with new windows becomes more airtight, and moisture from the shower, kitchen and breathing stays inside. The minimum is extract fans in bathrooms and the kitchen and trickle vents in rooms; better is heat recovery ventilation, which keeps the heat in.

Further reading

Send photos of the house and a plan: we will price whole-envelope insulation within 24 hours

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Mon–Fri 10:00–19:00, Sat 11:00–16:00

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