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Terrace floor

WPC decking or a timber deck in the Rhine Valley and Eastern Switzerland: we check the existing build-up, substructure, slope and junctions so the surface stays durable.

WPC, thermally modified ash or larchFrom substructure to edge finishProjects in Sevelen, Gams and Wil
Weatherproof WPC terrace in Sevelen
Reference project Weatherproof WPC terrace in Sevelen Sevelen (SG), CH

Direct answer

We install WPC, thermally modified ash and larch decking in the Rhine Valley and St. Gallen area, including substructure, slope and junctions. After reviewing photos and measurements, we recommend the material that fits the upkeep, look and existing property.

References

At a glance

When does it make sense?

When does it make sense?

If you need a level, slip-resistant and low-maintenance surface outdoors – e.g. for new builds or renovations.

Process

Process

Measure, check the subsoil, choose material, prefabricate if needed, then install with clean finishes.

Material choice

Material choice

Timber feels warm and natural, WPC is easy to maintain. We advise on look, feel and maintenance.

Cost range

Cost range

Guideline: 100-230 CHF/m². Depends on timber choice, base condition and build-up. Example: 20 m² -> about CHF 2,000-4,600. These guideline figures are for initial orientation. The final price is determined after site measurement and clarification of the project conditions.

More than boards: material choice and a complete build-up

A durable deck depends on the whole system. We match the material, substructure, slope and edge details to the existing property.

WPC

Low-maintenance with a consistent appearance. The substructure, joints and expansion details must suit the system.

Thermally modified ash

A warm, natural timber surface with good dimensional stability. Build-up and care are matched to use and exposure.

Larch / timber

Natural character with visible ageing. Colour change and regular care are part of the material decision.

Scope

  • Substructure with height adjustment
  • Timber, thermowood or WPC
  • Weatherproof surface with clean drainage
  • Options: steps, railings, trims

Process

  1. Measure & material advice
  2. Substructure and installation
  3. Finish, edges, details

Common questions

How durable is a terrace floor? +

With the right substructure and care, it lasts many years. WPC is low-maintenance; timber needs regular care.

Do I need a permit? +

Usually not. For larger changes or railings, it can be required depending on the municipality.

How slip-resistant is the surface? +

We select profile and material to the use case and can plan slip-resistant surfaces.

Can you install weather-resistant WPC decking on existing terraces? +

Yes. We renovate existing surfaces, replace damaged layers and rebuild the deck with proper waterproofing.

Is WPC or timber better for a weatherproof terrace deck? +

Both can work. WPC needs less maintenance, timber has a natural look. The key is substructure, slope and drainage.

Do you install WPC terrace flooring in the St. Gallen area? +

Yes. We install weather-resistant WPC decks in St. Gallen and nearby towns, including substructure, waterproofing and clean finishing.

How does a terrace floor renovation in Wil typically work? +

We inspect the existing build-up, replace damaged layers and rebuild the deck with proper slope and drainage.

Do you install deck boards including substructure? +

Yes. We build the full system including substructure, edge details and clean transitions.

Quick request

A quick call or message is enough. We check subsoil, build-up height and material and give a realistic cost range.

Region

Gams, Sevelen, Buchs, Alt St. Johann, Wildhaus, Unterwasser, Sargans, Mels, St. Gallen, Herisau, Gossau, Wil SG, Uzwil, Flawil