Forma Composite Decking Flat Trim - 150mm x 3000mm - Midnight

Decking flat trims serve multiple functions in a decking application, including creating a comfort...

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Professional Building SuppliesEcoscape Dark/Grey/Black Forma Composite Decking Flat Trim - 150Mm X 3000Mm Midnight
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£29.77
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PVC Cladding UKEcoscape Dark/Grey/Black Forma Composite Decking Flat Trim - 150Mm X 3000Mm Midnight
Free delivery in 1–3 days
£29.77
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Product Information

Full details

The Forma Composite Decking Flat Trim in Midnight is designed for homeowners and contractors looking to achieve a seamless, professional edge finish on their composite decking projects. Its primary benefit is the ability to hide exposed composite board edges while providing a subtle transition for steps or borders, resulting in a clean, sophisticated look. However, users should note that the 3000mm length may require multiple pieces for larger decks, and careful planning is necessary to ensure consistent color matching across the entire installation.

All features

Model Part NumberECO17MD
BrandEcoscape

Extended Product Information

FAQs

Can this trim be used as a standalone edge for a deck?

Yes, it is designed specifically to finish the edges of composite decking boards, providing a clean vertical or horizontal surface.

What tools do I need to cut the trim?

A standard miter saw or a circular saw with a fine-toothed blade designed for composite materials works best.

Is the midnight color prone to fading?

The Forma range is UV-stabilized, but like all composite materials, slight maturation of color can occur over the first few months of exposure.

Can I paint or stain the trim?

No, this product is designed to be low-maintenance and should not be painted or stained, as these coatings will not adhere properly to the composite surface.

How do I secure the trim to the decking frame?

We recommend using stainless steel composite decking screws, pre-drilling holes to prevent splitting near the edges.

Does this trim match other colors in the Ecoscape range?

The Midnight finish is the darkest option available. It is intended to contrast or coordinate with other Ecoscape board colors.

Troubleshooting

Trim piece is slightly bowing or warping

Ensure the underlying framing is level and that you are using enough fasteners to keep the trim flush against the support structure.

Visible expansion gaps appearing between trim pieces

Check that you accounted for the recommended expansion gap during installation; in extreme temperature changes, adjust the placement if necessary.

Faded appearance after time

Clean the surface thoroughly with soap and water; sometimes debris accumulation mimics fading, and a gentle scrub can restore the deep midnight tone.

Pros and Cons

Pros

  • Provides a clean, professional aesthetic for deck edges
  • Sophisticated midnight color matches modern outdoor design trends
  • Versatile enough for use on steps, edges, and borders
  • Weather-resistant composite material for long-term use

Cons

  • Fixed 3000mm length may require complex jointing for larger decks
  • Dark color may show dust and light debris more easily than lighter options
  • Requires careful cutting to ensure perfectly square edge joints

Setup, Compatibility & Care

Installation requires basic woodworking tools including a fine-toothed miter saw for clean cuts. It is recommended to pre-drill holes before screwing the trim into the frame to avoid splitting the material. Use color-matched screws or hidden fastening systems where appropriate to maintain the midnight finish.

For ongoing care, simply wash the trim periodically with warm, soapy water and a soft-bristled brush to remove dust and organic matter. Avoid using harsh chemical cleaners or power washers at high pressure, as this can degrade the composite surface texture over time.

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