External Window Cill - 180mm - White

The Plaslyne External Window Cill provides a durable and clean finish for your windows. This 5-met...

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Professional Building SuppliesPlaslyne White External Window Cill - 180Mm X 5Mtr
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£62.06
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PVC Cladding UKPlaslyne White External Window Cill - 180Mm X 5Mtr
Free delivery in 1–3 days
£62.06
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Product Information

Full details

The Plaslyne External Window Cill (180mm) is designed for homeowners and contractors seeking a low-maintenance, durable solution to finish exterior window installations. This 5-meter PVC board provides a clean, weather-resistant ledge that directs water away from the masonry, though users must note that precise cutting and sealing during installation are required to ensure a watertight finish.

All features

ColourWhite
Model Part NumberCIL180W
BrandPlaslyne

Extended Product Information

FAQs

Can I paint the Plaslyne Window Cill?

The cill is designed to be maintenance-free and comes in a factory-finished white. Painting is not recommended as it may void durability characteristics.

How do I clean the PVC cill?

Use a soft cloth with warm water and mild dish soap. Avoid harsh chemicals or abrasive scouring pads that could scratch the surface.

Are end caps included?

No, matching end caps are sold separately to ensure you only purchase the quantity required for your installation.

What tools are needed for installation?

A fine-tooth hand saw or power saw, a spirit level for accurate slope, a measuring tape, and high-quality exterior sealant are required.

Is this cill suitable for commercial buildings?

Yes, its durable nature makes it suitable for both residential and light commercial window exterior finishing.

Troubleshooting

Water pooling on the cill surface

Ensure the cill has been installed with a slight outward fall away from the window frame to facilitate drainage.

Joints showing signs of leaks

Re-apply high-quality exterior-grade silicone sealant to the joint gaps and ensure end caps are properly fitted.

Pros and Cons

Pros

  • Resistant to rot, mold, and decay
  • Requires zero painting or ongoing staining
  • Easy to cut and shape with standard woodworking tools
  • Long 5-meter length minimizes visible joins

Cons

  • Requires specialized PVC adhesive for secure mounting
  • Must be cut precisely to avoid gaps
  • Not intended for structural load-bearing applications

Setup, Compatibility & Care

To install, measure the width of your window opening plus the desired overhang on each side. Use a fine-tooth saw to cut the PVC to size. Secure the cill using appropriate exterior-grade fixings, ensuring there is a slight outward slope to promote water runoff. Use a compatible silicone sealant at all joints and against the window frame to prevent leaks. For care, simple periodic cleaning with warm soapy water and a non-abrasive cloth is sufficient to maintain the finish and prevent the buildup of dirt or moss.

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