White UPVC Window Sill Cover – 1.75m Long, 9mm Thick (4 Pack – 100–400mm Depth Options)

Upgrade your interior window sills with our reliable White UPVC Capping Boards, now available in a value 4 Pack. Each board measures 1.75 metres in length and is crafted from 9mm thick, rigid UPVC for a premium, professional finish with long-lasting durability.

Ideal for use in bathrooms, kitchens, conservatories, and other indoor areas, these plastic boards are moisture-resistant, UV-stable, and maintenance-free. Easily installed over existing timber or MDF sills without the need for messy removal or repainting.

This bulk pack is ideal for trade professionals or larger DIY projects. With depth options from 100mm to 400mm, there’s a size for every window. Achieve a clean, modern look quickly and affordably.

Key Features

• 4 Pack – 1.75m Boards – Great for full property refurbishments or larger projects
• 9mm Solid UPVC – Strong, rigid, and superior to 5mm budget alternatives
• Gloss White Finish – Clean and bright look that requires no painting
• Waterproof & UV Resistant – Long-lasting performance in moist or sunlit areas
• Various Width Options – Choose from 100mm to 400mm
• Easy to Fit – Trim with a saw, apply adhesive, and press into place
• Low Maintenance – Simply wipe clean
• Matching accessories available – End caps, trims, and adhesives sold separately

Applications

• Covering outdated timber or MDF sills
• Trade renovations and home upgrades
• Quick fixes for rental or sale properties
• Bathroom, kitchen, and utility room refurbishments
• Modernising interiors without full window replacement

Technical Specifications

Installation Guide

1. Clean the sill area to remove dirt and grease
2. Cut each board to size using a fine-tooth saw
3. Dry-fit the board and adjust if necessary
4. Apply grab adhesive such as CT1 or No More Nails
5. Press the board into place and hold for 60 seconds
6. Seal edges with white silicone for a neat finish if required

Why Choose Windows4You?

Windows4You supplies high-quality UPVC capping boards, trims, and fascia products to customers across the UK. We offer fast delivery, flexible pack sizes, and reliable customer support from our UK-based team.