White UPVC Window Sill Cover – 1.5m Long, 9mm Thick (4 Pack – 100–400mm Depth Options)

Upgrade your window sills with our premium 1.5-metre White UPVC Capping Boards, available in a value 4 Pack. Each board is 9mm thick and made from durable, maintenance-free UPVC – perfect for covering old, stained, or damaged wooden or MDF sills without costly replacements.

The gloss white finish offers a clean, professional look and is easy to wipe clean – no need for sanding or painting. These boards are suitable for kitchens, bathrooms, living areas, and rental properties where a fast, affordable upgrade is needed.

With 4 boards at 1.5m each, you get a total of 6 metres of coverage – ideal for large projects or multiple windows. Choose from depths between 100mm and 400mm to suit your installation needs.

Key Features

• 4 Pack – 6m Total Length (4 x 1.5m boards)
• 9mm Thickness – Rigid and impact-resistant
• Gloss White Finish – Bright, smooth, wipe-clean surface
• Interior Use – Ideal for upgrading internal sills
• 100–400mm Width Options – Wide compatibility
• Moisture & UV Resistant – Great for humid areas
• Easy to Cut and Fit – Use adhesive or screws
• Matching Accessories Available – End caps & corners sold separately

Typical Applications

• Covering internal window sills in multiple rooms
• Refurbishing rental properties
• Bathroom and kitchen upgrades
• DIY renovations or trade installations
• Preparing homes for sale

Technical Specifications

Installation Instructions

1. Clean the existing sill to remove dirt and grease
2. Measure and cut the boards to size with a fine-tooth saw
3. Dry-fit for accuracy before applying adhesive
4. Use grab adhesive (e.g., CT1, No More Nails) and press into place
5. Hold for 60 seconds and seal edges if needed
6. Finish with matching end caps (sold separately)

Why Choose Windows4You?

At Windows4You, we specialise in high-quality UPVC window boards, trims and accessories. Our products are trusted by professionals across the UK for their durability, finish and value. Fast dispatch and helpful service come as standard.