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Installation & Maintenance

What is the Formula to Order Decking Planks for a Designated Area?

September 22 2016
Decking Porch Installation & Maintenance

Calculating material requirements is outlined in our Decking Installation Guide. Let's walk through this process.

Calculating Material Requirements

To determine how much TimberTech decking material you will need, start by calculating the square footage of your deck surface by multiplying length by width. Once you know this number, divide it by the numbers provided below for:

  • 12' planks
  • 16' planks
  • 20' planks.

Once you know the square footage number, divide below by:

  • 5.5 for 12' planks
  • 7.3 for 16'planks 
  • 9.1 for 20' planks

When calculating the amount of decking you will need, it’s recommended that you add roughly 10% to the total for a scrap factor.