High-quality UPVC trims, fascias and cladding designed for long-lasting performance, easy installation and a professional finish.
High-Quality UPVC Building Plastics — Trusted by the Trade
At Capital Building Plastics, we supply a complete range of UPVC trims, fascias, cladding, and guttering designed to deliver long-lasting performance and a professional finish on every project.
All our products are low-maintenance, weather-resistant, and easy to install, making them ideal for both new builds and refurbishment projects. Sourced from trusted UK manufacturers, our trims and boards are available in a variety of styles, finishes, and colours to suit all property types.
Our Product Range
Trims
Perfect for sealing edges, joints, and corners, our UPVC trims provide a clean, polished look while ensuring protection from moisture and wear.
- Available in multiple widths and profiles
- Easy to cut and fit
- Designed for use with fascias, soffits, and cladding systems
Fascias
Our fascia boards offer a durable, low-maintenance solution that protects roof edges while enhancing exterior appearance.
- Rigid, weatherproof UPVC construction
- Compatible with a range of soffit and gutter systems
- Available in white, black, anthracite grey, and woodgrain finishes
Cladding
Transform and protect building exteriors with our UPVC cladding, offering a stylish and modern finish that stands up to the elements.
- Horizontal and vertical installation options
- Choice of colours and textures
- Low-maintenance and resistant to rot, warping, and fading
Soffits
Durable solid and ventilated soffit boards that protect roof structures, improve ventilation and create a clean, finished appearance.
- Solid and ventilated profiles available
- Supports effective roof ventilation
- Complements fascia and roofline systems
Why Choose Capital Building Plastics?
- Trade-quality products built to last
- Sustainable, UK-sourced UPVC materials
- Large stock for immediate collection or delivery
- Expert advice and support from our experienced team
- Trusted by the trade across the South of England
Visit Our
Crawley Trade Counter
Collect pre-orders, browse samples, get expert advice and buy consumables. Open Mon-Fri 8am-5pm, Sat 9am-3pm.