What is the maximum joist spacing for TimberTech decking?

Maximum joist spacing on a deck’s surface for standard TimberTech deck boards is 16″ on center for residential applications. TimberTech AZEK MAX boards can span 24″ on center. For stairs, landings, angled installation of deck boards and commercial applications, please refer to our decking installation guides for the joist spacing required. You should always follow local building codes.

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