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Polycarbonate Joiner Cap (H Channel)

$19.70 - $45.25
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Simplify polycarbonate panel installation with durable, UV-resistant Polycarbonate Joiner Caps. Available in multiple thicknesses to match your panels and designed for a strong, weatherproof hold.

Thickness: 6mm
Length: 8ft
Fulfillment Method: Shipped
$19.70
$19.70

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Availability:
SKU: B1481-8
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16mm Polycarbonate Jointer Cap (H Channel)
$19.70
$19.70

The Polycarbonate Joiner Cap, also known as "H Channel," makes it easy to connect Multi-Wall polycarbonate panels to your wood framework. Designed for straightforward assembly, these caps keep panels secure and aligned over studs and rafters. Constructed from tough, sunlight-resistant UVI polycarbonate, these caps are weatherproof and maintenance-free.

  • Easy to Cut: Can be trimmed to the desired length using a hacksaw.
  • Correct Orientation: Install with the wider side down for optimal fit and security.
Joiner Cap installation illustration with wide part at bottom

Specifications

Material: UV-resistant Polycarbonate
Weatherproofing: Waterproof, Sunlight-resistant
Color: Clear
Width: 2-7/8" (longest side)
Thickness: 6mm, 8mm, 10mm, 16mm

Installation Tips:

  • Use joiner caps over framework studs and rafters.
  • Caps are designed to be installed with the wider side down for the best support and fit.

Cutting Instructions:

Use a hacksaw to trim the cap to your desired length if needed.

Shipping Method: Motor freight

Delivery Estimate: Please allow 2–3 weeks
For orders with polycarbonate panels (e.g., 4x8 or 4x10), the 12' cap may be cut to fit the crate; we will contact you for approval if needed.

For a shipping quote if ordering only capping without panels, contact us at 888-977-7659 or via quote request.

  • 30-day satisfaction guarantee

  • 10-year warranty on material defects

  • Fast & reliable shipping across the USA

  • Knowledgeable product support