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DEMO · Demo version for testing — results are not final.

Sauna or Barrel sauna 4,6 × 2,7 m, with changing room?

Both examples are generated with the same parameters; only the construction differs. Quantities include waste, no prices – the generator shows the price from the catalogue. A preliminary result, not a design.

Key facts

Frame saunaBarrel saunaDifference
Footprint3 × 4 m4.6 × 2.7 m
Built-up area12 m²12 m²=
Wall height2.3 m0.1 m−2.2 m
Ridge height3 m0.19 m−2.81 m
Labour hours124 h34 h−90 h (-73 %)
Material lines4019−21
Materials (incl. waste, incl. VAT)€6,013.01€5,538.20−€474.81 (-8 %)

Preliminary prices from catalogue lt-2026-10 (2026-10-25). This is an example, not an offer: supplier prices vary and labour depends on your rate – you enter it and your own materials in the generator. Catalogue prices are still being verified.

Structural engineer approval required

Material quantities

Lines that differ come first; “—” means the material is not used in that variant.

MaterialUnitFrame saunaBarrel saunaDifference
Concrete C20/25Foundationm³1.89—−1.89
Formwork (boards / panels, rental)Foundationm²2.31—−2.31
Foundation damp-proof membraneFoundationm²13.2—−13.2
GeotextileFoundationm²13.2—−13.2
Rebar mesh 150x150Foundationm²13.2—−13.2
Stud 45x145 C24Wallsm110.11—−110.11
Plate 50x150 C24Wallsm46.2—−46.2
Roof underlayRoofm²20.1—−20.1
Roof steel sheet T35Roofm²22.1—−22.1
Rafter / joist 45x195 C24Roofm34.95—−34.95
Beam 45x245 C24Roofm5.06—−5.06
Batten 45x45 C24Roofm57.42—−57.42
Timber cladding boards 21 mm (treated)External claddingm²41.16—−41.16
Wind barrier membraneExternal claddingm²35.79—−35.79
Batten 45x45 C24External claddingm59.65—−59.65
Steel doorOpeningspcs1—−1
PVC windowOpeningsm²0.24—−0.24
Stud 45x145 C24Openingsm3.96—−3.96
Downpipe 100 mmRainwater drainagem4.83—−4.83
Gutter 150 mmRainwater drainagem9.66—−9.66
Gutter bracketRainwater drainagepcs16—−16
Anchor bolt M12Fastenerspcs15—−15
Angle bracket 90x90Fastenerspcs33—−33
Nails 90 mmFastenerspcs353—−353
Self-drilling screws 35 mmFastenerspcs152—−152
Wood screws 60 mmFastenerspcs787—−787
Chimney ceiling pass-through (non-combustible)Sauna: heater and steam roompcs1—−1
Foil vapour barrier for saunasSauna: heater and steam roomm²27.52—−27.52
Tempered glass steam room doorSauna: heater and steam roompcs1—−1
Aspen lining boards for the steam roomSauna: heater and steam roomm²27.52—−27.52
Foundation block 400Foundationpcs—9+9
Impregnated deck boards 28 mmFloorm²—6.61+6.61
Barrel cradle (glulam)Wallspcs—4+4
Stainless steel tension band with tensionerWallsm—44.64+44.64
Barrel sauna stave (thermo pine, 44 mm, profiled)Wallsm²—41.97+41.97
Bitumen shinglesRoofm²—12.28+12.28
Rear window (tempered glass)Openingspcs—1+1
Tempered glass steam room doorOpeningspcs—2+2
Water tank on the chimneySauna: heater and steam roompcs—1+1
Crushed stone / gravel 0–32Foundationm³2.641.35−1.29

… and 9 more identical lines – the full list is on the example pages.

Start with “Frame sauna”Start with “Barrel sauna”

All comparisons · Find a specialist to prepare or check the design

Rule set lt-v1, catalogue lt-2026-10.