Exterior Oil Stone Gray

WOCA Exterior Oil Stone Grey for decking, garden furniture and exterior wood

WOCA Exterior Oil Stone Grey is a water-based exterior wood oil for wooden decking, garden furniture, cladding, fences, log cabins and other outdoor wood. Its stone-grey pigment gives the wood a calm, natural grey shade while keeping the original wood structure and grain visible.

Stone Grey has a softer and lighter appearance than Thunder Grey and combines particularly well with concrete, natural stone, steel and modern outdoor spaces. The final colour depends on the wood species, its original colour, absorption and the number of coats applied. Always make a test area first.

Benefits of WOCA Exterior Oil Stone Grey

• Suitable for decking, garden furniture, cladding, fences and log cabins

• Gives exterior wood a calm, natural stone-grey appearance

• Softer and lighter grey shade than Thunder Grey

• Suitable for both light and dark wood species

• Contains grey pigment and a UV filter

• Protects the wood against water, dirt and weather exposure

• Keeps the natural structure and wood grain visible

• Water-based and easy to apply

• Fast-drying with a matt finish

• Suitable for new and previously oiled exterior wood

• Coverage: approximately 8–12 m² per litre, depending on the wood and its absorption

What finish does Exterior Oil Stone Grey provide?

Exterior Oil Stone Grey gives outdoor wood an even stone-grey shade with a calm and modern appearance. It is ideal when you want to create a naturally weathered effect without making the surface extremely dark.

The colour works well in contemporary gardens but is also suitable for traditional outdoor spaces. Stone Grey combines beautifully with natural stone, concrete paving, galvanised steel, black features and pale exterior walls.

Unlike paint, the oil does not create a completely opaque coating. The natural wood structure and colour variations remain visible and contribute to the final result. Pale wood generally produces a clear stone-grey colour, while the result on darker wood may appear deeper and warmer.

Always make a test area and assess the colour only after the oil has dried completely.

Use our professional rollers and brushes

For an even application, always use the professional rollers, brushes and accessories shown as related products at the bottom of this product page.

Depending on the surface, we recommend:

• Tisa-Line 25 cm roller and frame for decking and large surfaces

• Tisa-Line mini roller and frame for garden furniture and smaller sections

• Special flat brush for boards, edges and difficult areas

• Special round brush for joints, corners and profiled wood

• 10 × 3 cm block brush for larger wooden components

• Professional extension pole for comfortable application on decking

• White polishing pads for evenly rubbing the treated surface

• Cotton cloths for removing surplus oil

View our complete range of brushes and rollers.

Do not use an unsuitable low-quality roller or brush. The application tools have a significant effect on distribution, coating thickness and the final appearance.

Preparing the exterior wood

The wood must be completely clean, dry and free from grease, dirt, algae and loose remnants of previous finishes.

Clean new and previously treated wood with WOCA Exterior Cleaner. For heavily soiled, greyed or weathered wood, use WOCA Deep Cleaner.

Allow the wood to dry for at least 24 hours after cleaning. Its moisture content must not exceed 17% during application. Carefully remove raised wood fibres with 120-grit sandpaper if necessary.

Untreated, non-impregnated softwood may require treatment with WOCA Exterior Wood Primer. Do not use this primer on red cedar or larch.

Applying WOCA Exterior Oil Stone Grey

Stir the oil very thoroughly before and during use to distribute the stone-grey pigment evenly.

Only apply the oil in dry weather and at a temperature of at least 13°C. Avoid direct sunlight and very high temperatures.

Apply an even, thin coat with a suitable roller or brush. Treat the end grain first. The oil has a creamy appearance during application. The final stone-grey colour becomes visible as the water evaporates.

Remove all surplus oil with clean cotton cloths within five minutes. Pay particular attention to grooves, joints, corners and other areas where oil may collect. Do not leave a thick or wet layer of oil on the wood.

If the wood has not absorbed the oil evenly or certain areas do not appear sufficiently saturated, touch them up with another very thin application. Always perform a test application first to check the colour, adhesion and absorption.

Professional tip

Once dry, buff the surface with a white polishing pad. This helps distribute the oil evenly and produces a smoother, more uniform and compact finish.

A suitable single-disc polishing machine with a white pad may be used for larger surfaces.

Drying and curing time

At approximately 20°C, the oil normally requires 24–48 hours to cure. The precise drying time depends on temperature, humidity, weather conditions, wood species and the amount applied.

Protect the treated wood against rain and all other contact with water during this period.

Maintaining WOCA Exterior Oil Stone Grey

Clean the wood with WOCA Exterior Cleaner whenever necessary. Apply another thin coat of WOCA Exterior Oil Stone Grey when the stone-grey colour or protection begins to diminish.

For normal maintenance, the existing finish usually does not need to be removed completely. Loose, damaged or severely weathered wood fibres must be cleaned and lightly sanded where necessary before applying a maintenance coat.

Technical information

Download the technical information for WOCA Exterior Wood Oil

View the WOCA Exterior Oil brochure