
Modular wooden garden houses – Living, Office, Tool and Sauna Kubus, manufactured in Bavaria.

Formschön Clemens Buck GmbH
Schondorf am Ammersee (Seestraße 61, 86938)New on Amplifa
FORMSCHÖN Joinery – Free · Spaces · Living
Under the GARTEN KUBUS brand, Formschön Clemens Buck GmbH manufactures modular wooden garden houses in a modern, cubic design. Founded in 1991 as a carpentry workshop in Munich, the company, headquartered in Schondorf am Ammersee, produces four model series (Wohn Kubus, Office Kubus, Geräte Kubus, Sauna Kubus) as well as individually designed Custom Cubes with dimensions up to 9.00 m × 3.50 m × 2.95 m. Production is carried out in artisanal joinery quality from domestic woods such as spruce, larch and thermo-ash, complemented by HPL façades (Fundermax), EPDM flat roofs, stainless steel components, wood fiber and thermo-jute insulation, and painting with OSMO eco-friendly paints. The range of services covers planning and consulting including building permit advice, manufacturing, delivery, assembly by the company's own team (usually within one to two working days), foundation installation as a KRINNER dealer base, plus on request electrical installation, furnishing and preparation for extensive roof greening. Customers include private households, companies, educational institutions and organizations in Germany.
- Site
- Schondorf am Ammersee
- Processes
- Joinery / individual furniture and wood construction, Manufacture of modular wooden garden houses (Wohn Kubus, Office Kubus, Geräte Kubus, Sauna Kubus),, Craneable manufacturing and assembly (smaller sizes craneable, components lifted by crane onto roof, Assembly of garden houses by own team (1–2 working days) incl. foundation installation, Painting with eco-friendly paints (OSMO country-house paint), Façade construction with HPL panels (Fundermax), Flat roof construction with EPDM membrane, extensive roof greening, stainless steel scuppers, Insulation / interior fitting of insulated buildings (thermo-jute, wood fiber insulation,
- Materials
- Spruce, Larch, Fir wood, Thermo-ash, HPL panels Fundermax, Spruce composite panel, Fiber cement, Corten steel
- Founded
- 1991
- Employees
- 10
- Industries
- Private customers, Companies (office space), Educational institutions/organizations, Garden house/timber construction
- 01
Planning and consulting incl. building permit advice
- 02
Joinery-style manufacturing in Bavaria
- 03
Delivery by crane
- 04
Assembly by own team (1–2 working days)
- 05
Foundation installation (KRINNER screw foundations)
- 06
Electrical installation, furnishing, roof greening preparation on request
Materials and Processes
Spruce / spruce composite panel
Domestic wood for façades, floors and shelf boards, painted with OSMO country-house paint.
Larch
Untreated rhombus façades, privacy screens and terraces.
Fir wood
Interior cladding and benches in the Sauna Kubus.
Thermo-ash
Weather-resistant terrace decking and outdoor terraces.
HPL panels (Fundermax)
Robust, low-maintenance façades for exposed locations such as roof terraces.
EPDM membrane
Flat roof sealing with stainless steel scupper, prepared for extensive roof greening.
Stainless steel
Scuppers, door handles and fittings.
Thermo-jute / wood fiber insulation
Vapor-diffusion-open, ventilated insulation for year-round use.
OSMO country-house paint
Ecological coating, e.g. RAL 1020, RAL 4007, RAL 5008.
Safety glass
Characteristic round panoramic windows up to Ø 1.50 m.
Corten steel / fiber cement
Alternative façade materials according to the guide offering.
Location

Schondorf am Ammersee
DEHeadquarters, joinery and showroom
- Part weight / size
- Cubes up to 9.00 × 3.50 × 2.95 m
- Lot size
- Custom one-off production / bill of materials 1
- Materials
- Spruce, larch, thermo-ash, HPL
- Joinery equipment
- Crane for craneable cubes and roof terrace installation
Garten Kubus Models






Inside the production










Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Joinery / individual furniture and wood constructionEngineering | – | – | – | – | Spruce, Larch, Thermo-ash |
| Manufacture of modular wooden garden houses (Wohn Kubus, Office Kubus, Geräte Kubus, Sauna Kubus),Assembly | – | 9.00 m × 3.50 m × 2.95 m | – | 1 piece – 1 piece (custom-made) | Spruce, Larch, HPL, Thermo-ash |
| Craneable manufacturing and assembly (smaller sizes craneable, components lifted by crane onto roofAssembly | – | – | – | – | Spruce, HPL |
| Assembly of garden houses by own team (1–2 working days) incl. foundation installationAssembly | – | – | – | – | – |
| Painting with eco-friendly paints (OSMO country-house paint)Surface | – | – | – | – | Spruce composite panel, Larch |
| Façade construction with HPL panels (Fundermax)Assembly | – | – | – | – | HPL (Fundermax) |
| Flat roof construction with EPDM membrane, extensive roof greening, stainless steel scuppersAssembly | – | – | – | – | EPDM, Stainless steel |
| Insulation / interior fitting of insulated buildings (thermo-jute, wood fiber insulation,Assembly | – | – | – | – | Thermo-jute, Wood fiber insulation |
| Garden sauna construction with EOS sauna technology (Sauna Kubus)Assembly | – | – | – | – | Spruce, Fir wood |
| Electrical installation (underfloor heating 230 V, sockets, light switches, ceiling spotlights)Assembly | – | – | – | – | – |
| KRINNER screw foundation installation (KRINNER dealer base)Assembly | – | – | – | – | – |
| Planning/consulting for individual cube projects incl. building permit adviceEngineering | – | – | – | – | – |
1 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Crane (for assembly of craneable cubes) | – | – | – | – | Schondorf am Ammersee |
Additional services
Company History
- 1991
Founding of the FORMSCHÖN joinery in Munich by Clemens and Nicole Buck, focus on individual furniture making and interior design
- 2002
Relocation to the Fünfseenland region on Lake Ammersee
- 2008
Idea and construction of the first Garten Kubus as a modular, insulated garden house