Mendes Thermawood Dorset (Clear Glass) Grey Primed Door

Mendes Thermawood Dorset Clear Glass Grey Primed External Door

When planning your entrance, our external doors range and complementary exterior doors provide plenty of options for achieving the right finish. The Mendes Thermawood Dorset Grey Primed External Door combines traditional entrance door styling with modern thermal performance, making it an excellent choice for homeowners looking to improve both kerb appeal and energy efficiency. Featuring a classic six-light glazed top section above two raised lower panels, the Dorset delivers a timeless appearance that complements both traditional and contemporary properties. Supplied grey primed in RAL 7038 as standard, this external door is ready for a final exterior topcoat finish, giving you the flexibility to create a colour scheme that suits your home's design.

Advanced Thermal Construction

Designed as part of the Thermawood External Thermal Rated range, the Dorset provides excellent insulation performance with approximate U-values of 1.32 – 1.36 W/m²K. Its engineered construction helps reduce heat loss while improving stability and durability compared with traditional timber external doors. The advanced multi-layer build includes:

• XPS foam insulated core for enhanced thermal efficiency
• Structural LVL core with Meranti lipping for strength and stability
• Integrated 0.2mm aluminium sheet reinforcement for added durability
• 3.6mm plywood outer layers for improved resistance to movement
• 45mm overall door thickness for a robust construction

This combination of materials creates a strong, reliable door designed to perform in a range of external environments.

Classic Six-Light Clear Glazed Design

The Dorset features a traditional six-pane clear glazed design that allows natural light to brighten entrance areas while maintaining excellent thermal performance. The glazed top section adds character and creates a welcoming appearance from both inside and outside the property. The glazing specification includes:

• Clear toughened safety glass for increased durability
• Low-E coating to improve insulation performance
• Argon gas filling for enhanced thermal efficiency
• Glazing tape and sealant system for long-term reliability

Strength and Weather Resistance

Built with a reinforced aluminium layer and insulated core, the Thermawood Dorset is designed to offer outstanding stability and resistance to everyday external conditions. Key benefits include:

• Reduced risk of warping and movement
• Greater strength compared with traditional timber external doors
• Suitable for exposed installations in many applications
• Strong 140mm frame width profile for improved structural integrity

Flexible Installation Options

The Thermawood Dorset offers excellent fitting flexibility with a trimming allowance of up to 25mm on all edges. This makes it a practical choice for a variety of installation projects, including:

• Replacement external doors
• Home renovation projects
• Older properties with non-standard openings
• New-build installations requiring adjustment

Available Sizes and Variants

The Mendes Thermawood Dorset Clear Glass Grey Primed External Door is available in the following sizes:

• 1981 x 838 x 44mm
• 2032 x 813 x 44mm

Key Features

• Mendes Thermawood Dorset thermally rated external door
• Grey primed finish in RAL 7038 ready for final decoration
• Traditional six-light clear glazed design
• Two raised lower panels for classic styling
• 45mm insulated multi-layer construction
• Approximate U-values of 1.32 - 1.36 W/m²K
• XPS insulated core with LVL and aluminium reinforcement
• Low-E Argon filled toughened safety glazing
• Up to 25mm trimming allowance on all edges
• 10-year manufacturer's guarantee

Frequently Asked Questions

Does the Mendes Thermawood Dorset come ready to use?

The door is supplied grey primed in RAL 7038 and requires a suitable exterior topcoat finish before installation is complete. This allows you to customise the final appearance to match your property.

What type of glass is used in the Thermawood Dorset door?

The Dorset features clear toughened safety glass with a Low-E coating and Argon gas filling. This combination helps maximise natural light while improving thermal performance.

What sizes are available for the Mendes Thermawood Dorset external door?

The Dorset is available in two sizes: 1981 x 838 x 44mm and 2032 x 813 x 44mm.

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