150mm uPVC Plastic Window Sill 6m

150mm External uPVC Window Sill – (Choice of Colours)

Strong, durable, and hassle-free!
This 150mm external uPVC window sill combines lightweight handling with exceptional strength, making it ideal for both replacements and new installations. Expertly engineered with a multi-chambered profile, it provides superior rigidity while remaining easy to cut and fit on site.

Designed with a precise upstand for quick and accurate frame seating and a subtle overhang to channel rainwater away, this sill dramatically reduces the risk of water ingress, offering long-lasting weather protection. Available in a choice of colours, it seamlessly matches modern or traditional window profiles, giving a professional, polished finish.

Key Features & Benefits

• Multi-Chambered Profile – Exceptional strength and rigidity for long-lasting performance

• Smart Water Management – Overhang directs moisture away from your windows

• Colour Options – Easily matches existing window frames

• Maintenance-Free – No painting, staining, or annual upkeep required

• Durable & Lightweight – Easy to handle, cut, and install

• Guaranteed Quality – Long-term protection against discolouration, warping, and cracking

Upgrade your window installation with a sill that’s strong, stylish, and built to last.