When using the Dek-block system, will the deck move from side to side with a lot of people on it? Let's say a 12'x28' deck with 20 people on it, will there be movement at all?
Thanks
If you build the deck correctly and follow the plans you should not have a problem with the deck shifting. In fact the deck should be solid enough that a person should not be able to tell the difference between a floating deck and a deck with frost footings.