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2-1/2-in Black Plastic Deck support

Questions & Answers for TuffBlock 2-1/2-in Black Plastic Deck support

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43 Questions
43 Questions
Can these be used to support a shed?


Will an actual 4x4 post sit in these or does the post have to be 3.5 x 3.5"?


When the joists rest in the grooves of the block how high are they off the ground?


Could these be used with 6x6?


is this knox country tn compliant?


Can these be fixed on top of existing deck


Can these be used with 2x10x16 lumber?


Are these stackable?


Location in store


Anyone actually receiving their block shipments? Mine have been delayed forever.


How many would be needed for a 20ft x 14ft deck


If I am using these for a ground level deck, what kind of base do I have to put under them? Sand, gravel, mixture of the two?


What is the max recommended height for a deck with these as post bases?


Can these be used to support joist in a sleeper floor over an interior concrete slab?


What is the heat and freezing rating?


Can this bused to build a split rail fence


How far apart should these be placed when laying out my deck


Will 4 be enough for my 8x8 shed deck . I'm using 2x8


Can these be used under a small cabin


Can this be used to support upright posts for stair stringers?