1 1

Expansion Kit (50 Square Feet)

Expansion Kit (50 Square Feet)

$399.00 USD
$399.00 USD
Sale Sold out
Shipping calculated at checkout.

    The 50 Sq. Ft. Expansion Kit is ideal for larger custom decks or projects that need additional coverage beyond one of our standard kits.

    Whether you're covering an irregular deck layout or extending your system to fit a unique design, this kit provides the extra materials needed to complete up to 50 additional square feet of installation.

    Includes:

    • 50 ft. Underdeck Umbrella drainage material
    • 22 mounting rails
    • 65 clip sets
    • 110 installation screws
    • Free Shipping included
    • DOES NOT include installation tools

    Ideal for: Large custom decks, unique layouts, or combining with any standard Underdeck Umbrella kit for a perfect fit.

    View full details

    Underdeck Umbrella Kits

    • Expansion Kit (50 Square Feet)

      Add up to 50 additional square feet of coverage to your Underdeck Umbrella system. Includes 50 ft. of drain material, 22 mounting rails, 65 clip sets, and 110 screws. Free shipping included.

      VIEW PRODUCT 

    • Small Underdeck Drainage Kit (120 sq ft)

      Designed for a deck that is 120 sq ft with 16" on-center joist spacing. Includes 100' of drain material, 50 rails, clips, screws and installation tools.Free shipping included.

      VIEW PRODUCT 

    • Medium Underdeck Drainage Kit (240 sq ft)

      Designed for a deck that is 240 sq ft with 16" on-center joist spacing. Includes 200' of drain material, 100 rails, clips, screws and installation tools.Free shipping included.

      VIEW PRODUCT 

    • Large Underdeck Drainage Kit (360 sq ft)

      Designed for a deck that is 360 sq ft with 16" on-center joist spacing. Includes 300' of drain material, 150 rails, clips, screws and installation tools.Free shipping included.

      VIEW PRODUCT 
    View Cart