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Thru Flow 48" x 12" Decking Panel

Brand: Thru Flow 

Joist Spacing: 16 (inch)

Part Type: Decking 

Item Type: Dock - Decking 

Decking Material: Composite 

Concentrated Load: 1,447 lbf 

Our Regular Price: $38.12

On Sale For: $29.95


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Product Quantity Discounts
70 to 139$29.05
140 to 280$26.06
281 to 560$24.86
561 +$23.96
Thru Flow 48" x 12" Panel

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  ( 3 Review )
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48" x 12" Thru Flow Outdoor Marine Grade Decking Panels

Thru Flow Decking is the best and safest way to deck your dock in areas with large waves or high winds...even hurricane winds. ThruFlow™ is designed to be the decking surface for a dock, pier, deck, patio, or any outside or inside flooring structure. It's durable, safe, maintenance-free, storm resistant, environmentally friendly, comfortable to walk on and easy to install, what more could you want out of a walking surface?


  • Made from Virgin Plastic
  • Reinforced with Fibreglass
  • Contains No Recycled Material
  • Increased Load Bearing and Flexural Stiffness Properties (Very Strong)



The interlocking panels are ideal for docks due to their water resistance and 360° anti-slip surface. You will never have water gathering on dock or pier that can cause the walking surface to become slippery. No algae or mold that can also lead to a slick surface.

The design of this decking allows light to penetrate below the walking surface, minimizing the effect of the walking surface on the plants and animals below. The Army Corps of Engineer's have approved this product in Florida over submerged aquaticvegetation (sea-grass, mangrovehabitat, etc.). You will also never have to worry about leeching chemicals and it is also recyclable.



  • Impervious to rot, mold, algae and insects
  • Absolutely NO treating, staining or sealing required
  • Barefoot Friendly
  • UV package designed for Southern Florida exposure
  • Maintenance Free
  • No puddles or splinters!
  • Allows Sunlight, Water and Debris to Pass
  • Cool to the touch, even in hot sun!
  • ADA compliant
  • Helps minimize uplift on decking surface from wind and water
  • Pre-Drilled & Countersunk holes for Easy Installation
  • Can be used virtually anywhere a walkway is needed, indoor or outdoor



The grate style surface also allows water and wind from below to pass through which helps protect your dock from the effects of wave and storm surge damage by minimizing the effect of uplift on the decking surface. Docks with this decking have survived hurricanes in Florida where ALL other docks have been destroyed.

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Product Reviews

Patrick Yamaura (07/17):   
David Odom (06/17):   
Wendy Haberski (07/16):   
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