Mendes External Thermal Grey Primed Door - Berkshire in 2 Sizes

The Thermawood Grey Primed Berkshire External Door is a high-performance, thermally rated external door designed for modern homes, renovations and new-build projects. Combining advanced insulated construction with a sleek contemporary design, the Berkshire offers outstanding thermal efficiency, durability and flexibility on site.
 

Supplied grey primed (RAL 7038) as standard, this external door is ready for final topcoat finishing to suit your project.

Engineered to deliver impressive energy efficiency, the Thermawood Berkshire achieves strong U-values of approximately 1.32 – 1.36 W/m²K, helping to reduce heat loss and improve overall building performance.

Features: 

• Thermally rated external door
• Excellent U-values (approx. 1.32 – 1.36 W/m²K)
• 45mm insulated multi-layer construction
• Integrated aluminium sheet for added strength
• Grey primed (RAL 7038) ready for finishing
• Trim allowance of up to 25mm on all sides
• Contemporary horizontal groove design
• Backed by a 10-year manufacturer’s guarantee
• XPS foam insulation core
• Structural LVL core with Meranti lipping
• Integrated 0.2mm aluminium sheet layer for enhanced strength and stability
• Plywood outer layers for durability
• 45mm overall door thickness
• This unique construction makes the Berkshire significantly stronger and more thermally efficient than a traditional stile and rail external door.
  
  The Thermawood Grey Primed Berkshire is built to withstand exposed conditions. 

Key Benefits: 

• Improved resistance to movement and warping
• Enhanced durability against changing weather conditions
• No requirement for a porch, canopy or recess in many installations
• This makes it a practical and reliable solution for both front and rear external door applications
• The Berkshire features clean horizontal U-groove detailing on both sides of the door, creating a sharp, modern appearance.