Poly Lock Channel and Spring Wire Greenhouse Film Fastening System - 6 ft.


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Poly Lock Channel and Spring Wire work together to create the best greenhouse film fastening method on the market.

These 6 ft. pieces of single aluminum channel can be purchased with the associated Spring Wire or without, and are designed to secure Greenhouse Plastic, Insect Screen, Shade Cloth, or Two Layers of Greenhouse Plastic directly to your greenhouse, high tunnel, or hoop house frame, as well as to the front of your end wall.

Simply install the Poly Lock Channel and wiggle the wire back and forth over top the material you are installing and into the channel. 

Great Things About Our Poly Lock Channel and Spring Wire

  • Among best per linear ft. price on channel AND wire anywhere in the industry
  • Among heaviest gauge Spring Wire in the industry
  • Among heaviest gauge channel bases in the industry
  • All units come as 6 ft. pieces of Poly Lock Channel
  • Can select to receive the associated pieces of Spring Wire in 4 ft. sections (we always round UP with the wire)
  • Does not damage the plastic over time
  • Can be screwed directly to metal using Self Tapping TEK Screws
  • Can be easily drilled at appropriate spacing and secured to lumber
  • Bends to the shape of your hoops and bows to allow for easy install
  • Spring Wire holds the greenhouse coverings firmly, but reduces the pressure on the coverings at the point of contact
  • Spring wire is easily removed, which allows covers and plastic to be removed, and used again 

How To Use Poly Lock Channel and Spring Wire

If you haven't used this method of greenhouse film attachment, the brief video below shows how aluminum channel is secured to metal, what kind of screw spacing should be followed, and how to execute the wiggle motion needed to use the Spring Wire portion of this product: 

 Shipping of The Item

  • This item is in-stock and will ship out in 1 to 3 business days 
  • Each 6 ft. piece comes with the associated length of Spring Wire 
  • Will ship via FedEx Ground

 To generate a shipping estimate:

  1. Add quantity of items you want into your cart/bag
  2. Click on the shopping cart / "view bag"
  3. Generate a shipping quote before check out

Select number of units below or order over the phone at: (833) 886-6351 ext. 2


44 Reviews

NATHAN WAGNER Mar 29th 2023

C channel

GREAT PEODUCT! Also seems to be a bit deeper then other brands!

Bruce Bartlett Sep 30th 2022

Poly Lock Channel and Spring Wire Greenhouse Film Fastening System - 6 ft.

Am a retired beginning gardener and built a 300 sq. ft. greenhouse. Using this fastening system was unbelievably simple. The assistance I received from the staff was outstanding. The hardest part of this entire build COULD HAVE BEEN the install of the plastic (used the 12 mil.). BUT the Tunnel Vision system makes this a dawdle for any gardener, especially the new one. All was reasonably priced and superbly made. Add to all this they send you install videos is amazing. If you are thinking of using a different or cheaper product, STOP!! Tunnel Vision is superb product, outstanding customer support thru install, and easy to use!!

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