Specialist products and systems for the building envelope – from roof accessories and façade components to airtightness, windtightness and watertightness systems.
Riwega-UNI GmbH
Ansfelden (AT) · Troisdorf (DE)New on Amplifa
About Riwega-UNI
Riwega-UNI GmbH is a wholesale company headquartered in Ansfelden near Linz (Austria) that has been offering specialist products and services for the building envelope for almost 50 years. The product range includes architectural sun shading, roof accessories such as snow guard systems, façade components, flood protection, timber construction components, glazing elements as well as installation systems for façades and glazing. Since the late 1990s, the company has produced and developed airtightness, windtightness and watertightness systems at its own plant in Troisdorf (Germany), including vapour barrier and wind barrier membranes, adhesive tapes and accessories. In addition to product supply, Riwega-UNI offers technical consulting, cutting and converting, as well as demonstration installations. Customers are specialist contractors, architects and commercial businesses in the fields of residential construction, commercial and industrial construction, roofing and façade construction, timber construction and photovoltaics.
- Site
- Ansfelden
- Processes
- Cutting & converting, Trapezoidal sheet metal roofing (with galvanised snow protection tubes), Photovoltaic mounting on trapezoidal sheet metal, Ridge and hip ventilation, Snow guard / roof safety system installation (Snowstop, snow guard bars, safety roof hooks), Vapour retarder for blown-in insulation (taped with Tape Strong and Tape 2 AC), Installation systems for façades and glazing, Technical consulting
- Materials
- Galvanised steel (snow protection tubes, trapezoidal sheet metal accessories), Trapezoidal sheet metal, Wind barrier membrane, fire class A2 (USB Windtop UV A2 / 225), Vapour barrier/vapour retarder (VSK DS 1500 SYN, USB Micro Light), Adhesive tapes (Tape Strong, Tape 2 AC, Tape 1 PE, Tape UV, Tip KONT), Galvanised steel, Wind barrier membrane, fire class A2, Vapour barriers & vapour retarders
- Industries
- Construction / building envelope, Roofing, Façade construction, Timber construction / modular timber construction, Photovoltaics, Commercial and industrial construction
- 01
Development & technical consulting
- 02
In-house production of airtightness, windtightness and watertightness systems
- 03
Cutting & converting
- 04
Wholesale & logistics
- 05
Demonstration installations & specialist consulting
Materials & Products
Galvanised steel
Used for snow protection tubes and trapezoidal sheet metal accessories in the roofing sector.
Trapezoidal sheet metal
Supporting element for roof coverings and photovoltaic mounting.
Wind barrier membrane, fire class A2
Fire-resistant membranes such as USB Windtop UV A2 / 225 for rear-ventilated façades.
Vapour barriers & vapour retarders
Self-adhesive membranes such as VSK DS 1500 SYN (radon and vapour barrier) and USB Micro Light for interior applications.
Adhesive tapes
System tapes such as Tape Strong, Tape 2 AC, Tape 1 PE and Tape UV for airtight and windtight sealing joints.
Sites
Ansfelden
ATHeadquarters and wholesale
Troisdorf
DEProduction plant (airtightness, windtightness and watertightness systems)
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Cutting & convertingAssembly | – | – | – | – | – |
| Trapezoidal sheet metal roofing (with galvanised snow protection tubes)Assembly | – | 3000 mm | – | – | Galvanised steel |
| Photovoltaic mounting on trapezoidal sheet metalAssembly | – | – | – | – | Trapezoidal sheet metal (steel) |
| Ridge and hip ventilationAssembly | – | – | – | – | – |
| Snow guard / roof safety system installation (Snowstop, snow guard bars, safety roof hooks)Assembly | – | 3 m × 200 mm | – | – | Steel |
| Vapour retarder for blown-in insulation (taped with Tape Strong and Tape 2 AC)Assembly | – | – | – | – | Plastic (adhesive tapes/vapour retarder) |
| Installation systems for façades and glazingAssembly | – | – | – | – | – |
Additional services
Reference customers
History
- ca. 1975
Start of the wholesale business for specialist products for the building envelope; almost 50 years of experience.
- Ende der
Start of production and development of airtightness, windtightness and watertightness systems at the plant in Troisdorf (Germany).