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Calder Engineered American Black Walnut Oiled 190mm x 20/4mm Wood Flooring

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£104.49m²

Save £39.50m²

£64.99

£88.91 per pack

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88.91

£64.99㎡

inc. VAT
Product Code
190204WALO1

Was

£104.49m²

Save £39.50m²

£64.99

£88.91 per pack

Prices Include VAT

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Calder Engineered American Black Walnut Oiled 190mm x 20/4mm Wood Flooring
Calder Engineered American Black Walnut Oiled 190mm x 20/4mm Wood Flooring
Product Details
Product Code: 190204WALO1

Key Features

  • Rich American black walnut tones create a warm and luxurious appearance

  • Oiled finish enhances the natural grain and character of the walnut

  • 20mm overall thickness provides durability and a solid feel underfoot

  • 4mm solid walnut wear layer allows sanding and refinishing up to three times

  • Engineered construction improves stability in changing temperature and humidity conditions

  • Tongue and groove profile designed for straightforward glued installation

The Calder Engineered American Black Walnut Oiled flooring combines the deep coffee-coloured tones of American walnut with the practical benefits of engineered wood construction. The rich colouring and distinctive grain patterns create a sophisticated floor that brings warmth and character to both traditional and contemporary interiors.

The natural beauty of walnut is enhanced by an oiled finish, which helps highlight the grain and tonal variation within each board. This finish gives the floor a more natural appearance than lacquered alternatives while adding depth and warmth to the wood. As with all oiled floors, care should be taken in spill-prone areas, as the surface is not fully resistant to liquids.

This is mixed grade walnut, meaning natural knots, grain variation, and colour differences are all part of the floor's character. These natural features ensure every installation has its own unique appearance while showcasing the authentic beauty of real walnut.

The floor is manufactured using an engineered multi-layer construction, designed to provide greater stability than solid wood flooring. This helps minimise movement caused by fluctuations in temperature and humidity, making the flooring suitable for most rooms throughout the home, including conservatories. It is also suitable for use with water-based underfloor heating systems, although bathrooms and areas exposed to standing water should be avoided.

With a 20mm overall thickness and a 4mm solid walnut wear layer, the flooring offers a reassuringly durable feel underfoot. The wear layer allows the surface to be sanded and refinished up to three times during its lifespan, helping maintain the floor's appearance for many years to come.

Installation uses a tongue and groove fitting system, with boards designed to be glued together and typically installed as a floating floor. A 5mm underlay is generally fitted beneath the flooring to help improve sound insulation, reduce heat loss, and provide protection from minor subfloor moisture.

Starter boards may be included within packs to help create a more natural staggered layout during installation.

The combination of rich walnut colouring, natural oiled finish, and engineered stability makes this flooring an excellent choice for homeowners looking to create a warm, elegant, and characterful interior.

When ordering, allow approximately 10% extra for cuts and wastage, plus an additional 5% for natural grading variation.

Why We Love It

The Calder Engineered American Black Walnut Oiled flooring showcases everything people love about walnut. The rich colouring and natural grain create a luxurious appearance, while the oiled finish brings out even more depth and character. Combined with the stability of engineered construction, it offers the beauty of real walnut with excellent practicality for everyday living.

Charlotte, our Product Expert, recommends the Calder because:

  • Rich Walnut Colouring: Creates a warm and sophisticated atmosphere

  • Natural Oiled Finish: Enhances the grain and natural beauty of the wood

  • Engineered Stability: Suitable for conservatories and water-based underfloor heating

  • Long-Term Flexibility: 4mm wear layer allows future sanding and refinishing

Was

£104.49m²

Save £39.50m²

£64.99

£88.91 per pack

Prices Include VAT

Specifications
Product Code 190204WALO1
Finish Oiled
Wood Species Walnut
Veneer 4mm
Grade Mixed
Thickness 20mm
Wear Layer 4mm
Width 190mm
Width Category WIDE (151mm-200mm)
Installation Method Tongue & Groove
Length 1200mm
Range Calder
Pack Coverage 1 pack covers 1.368 m²

Ask the Experts - Product and Fitting Tips

With our many years of experience in the flooring industry, we know that proper installation is the key to achieving a beautiful and long-lasting finish. Whether you’re taking on a DIY project or hiring a professional, following expert advice will help ensure your new floors are installed perfectly. Check out our top installation tips below to get started on the right foot!

For even more flooring tips and advice, be sure to visit our Customer Questions and Help Centre!

  • Each board has a 4mm layer of wood veneer that enables you to sand down and refinish the surface up to three times.
  • Engineered wood flooring like this is very resilient to temperature and humidity changes, making it suitable for most rooms, including conservatories. The only exception is the bathroom.
  • Each board is manufactured with a tongue and groove profile, so each board can simply be glued together.
  • This engineered oak is typically installed as a floating floor with a 5mm underlay on the subfloor, providing protection from dampness and serving as a sound barrier and insulator.
  • This product has a mixed grade, so it will contain some knots, which is typical for natural wood.
  • Please note, an oiled finish isn't impermeable and might not be ideal for spill-prone areas
  • Each pack may contain starter boards to allow you to stagger your layout.
  • Please keep in mind that the industry standard includes 10% for wastage and cut-offs, and 5% for visual grading. Make sure to factor this into your calculations when ordering.
Customer Questions
What is engineered wood flooring?
Engineered wood is real wood on top, with stable layers beneath.
Do I need to acclimatise my wood flooring before fitting?
Yes, you must acclimatise your wood flooring before installation. For engineered wood, allow 48–72 hours; for solid wood, give it at least 7 days. Keep the packs flat, unopened, and in a room with stable conditions.
Can I install wood flooring over underfloor heating?
Yes, you can install wood flooring over underfloor heating—but it must be a water-based system. Never use electric underfloor heating with wood flooring, as it can overheat and damage the boards.
Do I need expansion gaps when fitting wood flooring?
Yes, always leave an expansion gap of 10–15mm around the perimeter of your wood flooring. This allows the wood to expand and contract naturally with changes in temperature and humidity.
Can engineered wood flooring be sanded?
Yes, engineered wood flooring can be sanded, but only if the top wear layer is thick enough—usually at least 3mm. Thinner layers may not allow for sanding without damage.
Read 10 More Questions
  • What is engineered wood flooring?
  • Do I need to acclimatise my wood flooring before fitting?
  • Can I install wood flooring over underfloor heating?
  • Do I need expansion gaps when fitting wood flooring?
  • Can engineered wood flooring be sanded?
  • Read 10 More Questions

What is engineered wood flooring?

Engineered wood is real wood on top, with stable layers beneath.

Do I need to acclimatise my wood flooring before fitting?

Yes, you must acclimatise your wood flooring before installation. For engineered wood, allow 48–72 hours; for solid wood, give it at least 7 days. Keep the packs flat, unopened, and in a room with stable conditions.

Can I install wood flooring over underfloor heating?

Yes, you can install wood flooring over underfloor heating—but it must be a water-based system. Never use electric underfloor heating with wood flooring, as it can overheat and damage the boards.

Do I need expansion gaps when fitting wood flooring?

Yes, always leave an expansion gap of 10–15mm around the perimeter of your wood flooring. This allows the wood to expand and contract naturally with changes in temperature and humidity.

Can engineered wood flooring be sanded?

Yes, engineered wood flooring can be sanded, but only if the top wear layer is thick enough—usually at least 3mm. Thinner layers may not allow for sanding without damage.
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