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Enhance Basics 1-in x 6-in x 20-ft Clam Shell Square/Scalloped Composite Deck Board

Trex Enhance Basics 1-in x 6-in x 20-ft Clam Shell Square/Scalloped Composite Deck Board

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How far apart can the supports be


Hi there, great question! On out installation guide it is recommended a maximum of 16" on-center for joist spanning. If your joists are less than 16" on-center then you can install them on that span as well. If you have any additional questions about the installation please give us a call at 1-800-289-8739 and we will be happy to help! Have a great day! -Trex Customer Care

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