Window Boards, Seals & Finishing Trims
Complete your window installation with practical finishing products from The Plastic Centre. Our window accessories range supports new installations, refurbishments, replacement work and general making-good after fitting.
Availability can vary by branch and product type, so speak to your local branch for current stock, colour options and pricing.
Product Range
- uPVC window boards: internal sills and boards for clean, durable finishing around window openings.
- Cover strips and trims: tidy edges, cover gaps and finish the transition between frames, walls and reveals.
- Window seals: replacement and finishing seals for repairs, refurbishments and installation work.
- Silicones and sealants: suitable sealants for finishing, weatherproofing and making good.
- Adhesives and fixings: ancillary products for fitting boards, trims and associated building plastics.
Common Uses
- Finishing new uPVC and aluminium window installations
- Replacing old internal window boards
- Covering gaps after window replacement
- Repairing or refreshing trims and seals
- Making good around frames after building or plastering work
Why Buy From The Plastic Centre?
- Branch teams who can help match products to the job
- Trade-quality accessories selected for practical installation
- Related roofline, cladding and building plastics available from the same branch network
- Click and collect or local branch delivery support where available
Related Pages
Need Availability Or Pricing?
For window accessories, the fastest route is usually your local branch. They can confirm current stock, colour options, trade pricing and suitable alternatives.
Find your local branch or call customer service on 0121 227 5093.
Get a Quote
Tell us what you need and our team will get back with trade pricing and availability within 24 hours.
- Trade pricing — we won't be beaten
- Fast quotes — usually within 24 hours
- Collection from any of our 21 UK branches
- Local delivery available