Frequently Asked Questions

Below are answers to some of the questions related to Ultimate Assembly® that our experts are asked most frequently. If you have additional questions about any of the information you find in this section – or if you have a new question of your own – you can Ask an Expert using the simple form in the right-column to have one of our experts at American Hydrotech reply to you directly.
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What size paver is needed to achieve 2 foot (24”) on center spacing?
A 23 7/8” x 23 7/8” x 2” square paver, when installed with any of Hydrotech’s accessories (1/8” spacing) will equal 24” on center.
Have a question of your own? Ask an expert by using the short form to the right.