Open Up Your Home With Light, Style, And Space.
At Thermaseal, we specialise in designing and installing high-quality French, patio, and bi-fold doors that bring natural light, fresh air, and effortless flow between your home and garden. Whether you prefer the timeless charm of French doors or the sleek modernity of aluminium bi-folds, we’ll help you create a stunning transition to the outdoors.
French Doors
Classic Elegance And Light-Filled Living
Add a touch of sophistication to your home with Thermaseal’s classic French doors. Available in uPVC or aluminium, they create a welcoming, bright space with excellent energy efficiency.
Features include:
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Multi-point locking and energy-efficient glazing
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Restrictor hinges for safety
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Available in multiple styles and finishes
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Ideal for traditional and modern homes alike
Patio Doors
Smooth Sliding. Space-Saving Design.
Our sliding patio doors are perfect for homeowners who want to maximise light and space. Designed for effortless use, they’re practical, durable, and visually striking.
Features include:
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uPVC or aluminium frames in a range of colours
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Stainless-steel tracks for smooth, easy sliding
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2, 3, or 4-panel options
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Draught-proof and thermally efficient
Bi-Folding Doors
Modern Living. Seamless Connection.
Bring the outside in with our contemporary bi-fold doors. Designed to open up your living space, they offer ultimate flexibility and a luxurious, open feel.
Features include:
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Slim aluminium profiles for a sleek, modern look
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Panels that fold back fully or partially
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A-rated energy performance
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Enhanced security and weather resistance
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Explore recent installations from sash window upgrades to warm roof conversions and see how thoughtful design and careful fitting can transform your home.

