Snap & Grow Silver Extension Kit - 8' x 4' 

by Poly-Tex | Item  #: 889488 | Model #:  HG8004 |
Snap & Grow Silver Extension Kit - 8' x 4'
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About this item

Same great style and easy set up as the original Snap & Grow greenhouse - with more space to grow


The Snap & Grow 8' x 4' Extension Kit adds 32 sq. ft. of growing space to your existing 8' wide Snap & Grow Greenhouse. This gives you more room for benching, larger pots and maybe even a place to sit and relax and enjoy your plants. It features the innovative SmartLock connector system that allows you to assemble the heavy-duty aluminum frame quickly and easily without a lot of hardware. The 4' Extension Kit comes with an additional vent window for ventilation.


  • Quickly and easily lengthen your existing 8' wide Snap & Grow greenhouse
  • Heavy-duty aluminum frame will go up quickly with the new SmartLock connector system
  • Clear-as-glass SnapGlas polycarbonate panels are virtually unbreakable
  • SnapGlas panels simply slide and lock into place. No small clips or hardware required
  • Includes hardware clips to securely attach to your wood or cement foundation
  • Includes 1 adjustable, preassembled roof vents
  • Preinstalled vent window weather-stripping will help keep your plants safe
  • Down spouts allow you to capture rain water
  • Crystal clear SnapGlas polycarbonate panels are virtually unbreakable
  • Heavy-duty, corrosion resistant aluminum frame
  • Nearly 32 sq. ft. of additional, usable interior space & 8' -6' of headroom
  • No dangerous glass to break
  • Great for growing in all climates
  • Aluminum frame and UV protected polycarbonate panels

    For questions or concerns regarding this product, please call our customer service department at 1-800-852-3443

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    Shipping Information

    Standard - 2 to 6 business days

  • Most orders deliver in 3 - 8 business days
  • Delivery is not available to AK, HI, or Puerto Rico

    Warranty Information

    5 years

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