Composite Doors Installed & Fitted
Your Door Specialist in Central Scotland

Our doors can be as individual as you like. We can offer many colour options, and 9 frame colours – white, mahogany, cherrywood, oak, white grain, brown–black, grey, cream and Chartwell green – to compliment your new door colour. All of which can be configured with gold, chrome, black, white and contemporary hardware; it’s easy to see how there are over 900 types of Composite doors.
Also three new door colours launched in 2025; Poppy Red, Duck Egg Blue and Black Brown, have added to our existing ten; White, Black, Blue, Red, Green, Oak, Darkwood, Cream, Grey and Chartwell Green.
Our doors are manufactured using high tech machinery and the latest in Energy Efficiency technologies as well as having excellent energy rating as well as having a greater impact resistance than steel faced or timber doors.
The GRP materials used to manufacture these stunning external doors is a higher quality than most standard timber, steel, aluminium or UPVC doors with stunning colours and many glass options for you to choose the perfect entrance to your home.
Once fitted these doors are fully guaranteed not to warp, crack or twist and the high quality internal and external finish is easily wiped clean when required and also maintenance free as it will never require painting, and as the face of the door has the colour through the face rather than painted on it will also be very resistant to cosmetic scratches showing through if damaged.
Door Slab Specification
- Manufactured from the highest quality materials
- 2mm compression moulded, Glass Reinforced skins
- Reinforced rails
Glass & Furniture Options
- Choose position and number of glazed panels on your door
- Choose from hundreds of decorative pre-designed glass patterns
- Handles available in White, Black, Polished Gold, Polished Chrome & Graphite
- Optional Standard / Slimline door knockers with / without Spyhole (colour to match handles)
- Superior Letter box to match handles
- Optional Full length Pull Bar Handles with Knockers to match
- High performance weather seal gaskets
Frame & Security Options
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- Multi chambered, Thermally Efficient UPVC profile
- Dark wood and Oak available on internal on select styles
- Part M compliant low aluminium threshold
- High security with 2 hook & 2 dead bolt locking system
- High performance security door hinges with multiple adjustments for ease of installation
- Optional security chain
- Optional High security 3 star, Anti Pick, Anti Bump, Anti Drill, Anti Snap Euro cylinder Key Lock
- Optional thumb turn
Your Benefits: Composite Doors
With Clyde Windows & Construction
- Security Certified - PAS 24 & Secured by Design accredited
- Exceptional energy efficiency
- Durability – increased impact resistance
- Low maintenance – no painting, warping, twisting, or cracking
- Stylish designs – with over 900 possible combinations of colours, frames, and hardware

Composite Doors Tailored to You
Our doors can be as individual as you like. With 13 stunning colours and 9 frame colour options, you can create a completely unique entrance.
Frame colour options: White, Mahogany, Cherrywood, Oak, White Grain, Brown–Black, Grey, Cream, and Chartwell Green.
Door colours (2025 update):
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New shades: Poppy Red, Duck Egg Blue, Black Brown
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Existing colours: White, Black, Blue, Red, Green, Oak, Darkwood, Cream, Grey, Chartwell Green
Pair your chosen colour with gold, chrome, black, white, or contemporary hardware to achieve your perfect look. With so many combinations, there are over 900 types of composite doors available.

High Quality Composite door manufacturing
Advanced Manufacturing & Materials
Every door is manufactured using high-tech machinery and the latest energy efficiency technologies. GRP skins (2mm compression moulded) provide a finish that is stronger, more resilient, and longer-lasting than standard timber, aluminium, steel, or uPVC.
Benefits of our composite door construction:
✔ High impact resistance
✔ Energy-efficient multi-chambered uPVC frames
✔ Superior weather seal gaskets
✔ Resistant to scratches, fading, and cosmetic wear
✔ Fully guaranteed not to warp, crack, or twist

Composite Door Slab Specification
- Manufactured from the highest quality materials
- 2mm compression moulded, GRP reinforced skins
- Reinforced rails for strength and durability

Design Specification of Your Composite Door
Glass & Furniture Options
Design your composite door your way with hundreds of decorative glazing options and customisable furniture:
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Choose the position and number of glazed panels
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Decorative glass patterns available in traditional and modern designs
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Handles available in White, Black, Polished Gold, Polished Chrome & Graphite
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Optional knockers (standard/slimline, with or without spyhole)
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Superior letterboxes to match handle finishes
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Full-length pull bar handles available with matching knockers

Composite Doors Security Features
Frame & Security Options
Every composite door is built with security and performance in mind:
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Multi-chambered, thermally efficient uPVC profiles
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Dark wood and Oak internal frame finishes available (on select styles)
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Part M compliant low aluminium threshold for easy access
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High-security locking system – 2 hooks, 2 deadbolts
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Security hinges with multiple adjustments for precision fitting
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Optional high-security upgrades:
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Security chain
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3-star Euro cylinder key lock (Anti-Pick, Anti-Bump, Anti-Drill, Anti-Snap)
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Thumb-turn locking option
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Your Composite Door Experts
Why Homeowners Trust Clyde Windows & Construction
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All installers are Disclosure Scotland checked
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Family-run, 3rd generation business – trusted across Scotland
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Accredited by Checkatrade, Constructionline, and Trusted Trader schemes
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Over 7,000 Scottish homes improved
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All jobs are fully project managed
