Can Tongue and Groove Be Used for Decking?  

Can Tongue and Groove Be Used for Decking?

While tongue and groove (T&G) is a versatile product, it isn’t the ideal decking material (unless used on a covered porch).  The main reason we don’t recommend using T&G decking outside is because once installed, there are no gaps between boards. Without proper spacing between deck boards, water will collect and lead to moisture damage.…

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