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MPN: DPTW29BER

Mendes Thermawood Berskire Grey Primed Door

Mendes Thermawood Berskire Grey Primed Door


Regular price £415.67 Excl. VAT
£498.80 Incl. VAT
Sale price £415.67 Excl. VAT
£498.80 Incl. VAT
Regular price
*For business & Trade Accounts only.
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Key Information

  • Available sizes: 1981 x 838 x 44mm and 2032 x 813 x 44mm.
  • Finish: supplied primed and ready for final painting.
  • Warranty: 10-year manufacturer's guarantee.

Product Information

Mendes Thermawood Berkshire Grey Primed

For a complete entrance solution, explore our external doors range alongside suitable exterior doors to find the right style for your project. The Mendes Thermawood Berkshire Grey Primed external door is a high-performance solution that combines contemporary styling with outstanding thermal efficiency. Designed for modern homes, renovation projects, and new-build developments, this external door offers excellent insulation, exceptional durability, and a sleek horizontal groove design that enhances any property's exterior. Supplied grey primed in RAL 7038 as standard, the Berkshire is ready for its final topcoat, allowing you to customise the finish to suit your home's exterior colour scheme. The primed surface provides an ideal base for painting while reducing preparation time during installation.

Outstanding Thermal Performance

The Thermawood Berkshire has been engineered to deliver impressive thermal efficiency, achieving U-values of approximately 1.32–1.36 W/m²K. Its advanced insulated construction helps reduce heat loss, improve energy efficiency, and contribute to a more comfortable indoor environment throughout the year. Its innovative multi-layer construction includes an XPS foam insulation core, a structural LVL core with Meranti lippings, plywood outer layers, and an integrated 0.2mm aluminium reinforcement sheet. Together, these components create a robust, stable external door with a 45mm overall thickness, offering significantly greater strength and insulation than many traditional stile-and-rail doors.

Built to Withstand the Elements

Designed for long-term external performance, the Thermawood Berkshire is engineered to cope with changing weather conditions. The insulated core and internal aluminium layer improve resistance to movement, twisting, and warping, helping the door retain its appearance and performance over time. In many installations, the door can also be fitted without requiring a porch, canopy, or recessed entrance, making it a practical choice for both front and rear entrances.

Modern Horizontal Design

The Berkshire features clean horizontal U-groove detailing on both faces of the door, creating a refined contemporary appearance that suits modern architecture while remaining versatile enough for renovation projects. The subtle grey primer provides a neutral finish that can easily be painted to complement virtually any exterior style.

Flexible Installation

One of the standout advantages of the Mendes Thermawood Berkshire Grey Primed is its generous trimming allowance. The door can be trimmed by up to 25mm from all edges, making it an excellent choice for renovation projects, replacement doors, non-standard openings, and installations where on-site adjustments are required. The Mendes Thermawood Berkshire Grey Primed is available in 1981 x 838 x 44mm and 2032 x 813 x 44mm, providing options to suit a variety of standard external door openings.

Key Features

  • High-performance thermally rated external door.
  • Excellent thermal efficiency with U-values of approximately 1.32–1.36 W/m²K.
  • 45mm insulated multi-layer construction.
  • XPS foam insulated core for improved energy performance.
  • Integrated 0.2mm aluminium reinforcement for additional strength and stability.
  • Structural LVL core with durable Meranti lippings.
  • Grey primed finish (RAL 7038) ready for final topcoat.
  • Contemporary horizontal U-groove design on both faces.
  • Can be trimmed by up to 25mm on all edges.
  • Suitable for front and rear external door applications.
  • Backed by a 10-year manufacturer's guarantee.
  • Available in the following standard sizes:
    • 1981 x 838 x 44mm
    • 2032 x 813 x 44mm

Frequently Asked Questions

What makes the Thermawood Berkshire energy efficient?

The door features an advanced insulated construction with an XPS foam core, structural LVL core, plywood outer layers, and an integrated aluminium reinforcement sheet. This combination delivers excellent thermal performance with U-values of approximately 1.32–1.36 W/m²K, helping to reduce heat loss.

Can the door be painted in a different colour?

Yes. The door is supplied grey primed in RAL 7038, providing the perfect base for your chosen exterior topcoat. This allows you to customise the finish to complement your property's style.

What sizes are available?

The Mendes Thermawood Berkshire Grey Primed is available in 1981 x 838 x 44mm and 2032 x 813 x 44mm, making it suitable for a range of standard external door installations.

Why Choose Us

At JJ Building Materials, we're committed to supplying quality building products at competitive prices, backed by the service and expertise you'd expect from an established independent merchant. Whether you're a trade professional managing large-scale projects or a homeowner taking on a DIY renovation, we're here to help you find the right products for the job.

As part of the JJ Roofing Supplies Group, we build on decades of experience supplying construction materials across the UK. We've expanded beyond roofing to offer a growing range of building materials, including timber, insulation, landscaping products, plumbing supplies, flooring, doors, bricks, fencing, garden buildings and much more – all available to order online with nationwide delivery.

We work with many of the industry's leading manufacturers to bring you trusted products that meet the highest standards of quality and performance. Our team is passionate about providing excellent customer service, competitive pricing and a straightforward shopping experience from start to finish.

When you shop with JJ Building Materials, you can expect:

  • Competitive prices on leading brands and quality products.
  • Nationwide delivery across the UK
  • A constantly expanding range of building and landscaping materials.
  • Friendly, knowledgeable customer support.
  • A trusted business backed by the JJ Roofing Supplies Group.

Delivery

Every order is personally reviewed by our experienced team to ensure everything is correct before dispatch. We offer delivery from as little as the next working day on selected products, so please refer to the dark blue Estimated Delivery box above for the expected delivery timeframe for this item.

We work with trusted manufacturers and specialist delivery partners to ensure your order arrives safely and on time. You'll receive tracking details once your order has been dispatched, and if we need to confirm any delivery details, one of our team will contact you directly to keep everything running smoothly.

Roof Tiles & Fittings:

We recommend ordering an additional 10% of roof tiles to allow for any breakages that may occur during delivery or handling. Roof tiles are naturally fragile, and having a few extra on site helps prevent delays and ensures your roofing project can be completed without interruption.

Multiple Products from the Same Supplier

If you're ordering multiple products from the same supplier, your order will be dispatched together once all items are ready. This means the longest lead time will apply.

If you need part of your order sooner, please call us on 01202 113233. We can arrange a split delivery, although an additional shipping charge will apply.

Mendes Thermawood Berskire Grey Primed Door

£415.67

Can I collect this product from a local branch?

Absolutely. Check availability at your nearest branch during checkout or contact us directly.

Do you offer bulk pricing or trade discounts?

Yes, we offer competitive rates for trade customers and bulk orders. Contact our team for a tailored quote.

What if the product arrives damaged?

Please notify us within 48 hours of delivery. We’ll arrange a prompt replacement or refund as needed.

How fast is the delivery time?

Most items are delivered within 2–5 working days, depending on stock and location. Some products may take longer times.

What is the Return Policy?

We accept most returns within 14 days of delivery, provided the items are unused, in their original packaging, and in resalable condition. Please contact our customer service team to arrange a return or discuss any concerns.