Carpentry and Joinery for timber construction, roofs, facades, and renovation of historical buildings

Loy Holzbau GmbH
Eresing (Headquarters for Carpentry and Joinery)New on Amplifa
About Loy Holzbau
Loy Holzbau GmbH is a family-run construction company from Eresing in Upper Bavaria, founded in 1912 by Paul Loy as a carpentry workshop and now run in the fourth generation. The company combines carpentry and joinery under one roof and processes wood primarily by hand and using craft techniques. Its range of services includes carpentry works such as timber houses, roof trusses, extensions, dormers, and carports, as well as joinery works such as facades, extensions, windows, furniture, and interior fit-outs. Another focus is the renovation of historical buildings using ecological materials, as well as comprehensive services in roofing, facade construction, and energy modernization. The company works for clients in Southern Bavaria and cooperates with regional specialists and companies.
- Site
- Eresing
- Processes
- Carpentry (Roof truss, timber construction, extension, dormer, carport), Joinery (Facade, extension, wooden table, window, interior fit-out), Renovation of historical buildings using ecological materials, Roof construction RAL GZ-429 (Roof, facade, energy modernization, interior fit-out), Renovation of historical buildings, Carpentry (Timber house, roof trusses, extensions, dormers, carports), Joinery (Facades, additions, furniture, windows), Roof Construction
- Materials
- Wood
- Certificates
- RAL GZ-429 Roofing, Masterful with 4 Stars
- Founded
- 1912
- Employees
- 11–50
- Industries
- Timber Construction, Construction Industry, Manufacture of Wooden Goods
- 01
Planning
- 02
Timber Construction / Carpentry
- 03
Joinery Production
- 04
On-site assembly
- 05
Maintenance
Materials & Processes
Wood
Main raw material for carpentry, roofing, facade, and joinery works, combined with ecological materials.
Locations
Eresing
DEHeadquarters with Carpentry and Joinery
- Lot size
- Individual manufacturing / construction projects
- Materials
- Wood
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Carpentry (Roof truss, timber construction, extension, dormer, carport)Timber Construction/Assembly | – | – | – | – | Wood |
| Joinery (Facade, extension, wooden table, window, interior fit-out)Woodworking/Assembly | – | – | – | – | Wood |
| Renovation of historical buildings using ecological materialsTimber Construction/Assembly | – | – | – | – | Wood |
| Roof construction RAL GZ-429 (Roof, facade, energy modernization, interior fit-out)Timber Construction/Assembly | – | – | – | – | Wood |
Additional services
Quality & Quality Marks
LOY Holzbau holds the RAL GZ-429 Quality Mark from the Quality Community for Timber Construction, Extension, and Roofing e.V. and is recognized as a Master Business with the distinction 'Masterful with 4 Stars' for advanced training, quality assurance, and business management.
| Evidence | Eresing |
|---|---|
| RAL GZ-429 Roofing | |
| Masterful with 4 Stars |
History
- 1912
Paul Loy establishes the LOY carpentry workshop
- 1981
Registration of Gebrüder Loy GmbH in the commercial register (05.03.1981)
- 2002
Josef Loy and Peter Loy become Managing Directors
- 2019
Renaming to Loy Holzbau GmbH, share capital 26,200 €
- 2025
Joachim Loy becomes additional Managing Director