You’re Probably Doing Hybrid Base Wrong | Hardscape Training | Alliance Gator Education

[@persistentone3448]

You guys have very different personalities and presentation styles, but they complement well. Very nice overview video.

[@colindomaschofsky9313]

Could you explain why you wouldn't recommend using HPB with a dense graded base aggregate?

[@alliancegatorED]

Thanks for your questions. Check out this portion of the video where we explain the different base materials and why we would recommend 3/4 clean stone with a chip stone: kzbin.infoUgkx-vIjnNmYa90hscdp3hruMOaQd77Vjt0R

[@colindomaschofsky9313]

@@alliancegatorED if the surface is graded to the same slope as a traditional base, (ideally 1.5%) and a joint sand is placed and compacted into the joints (fine dry/any polymeric), how much water is going to get into the open bedding vs. a traditional concrete sand/ASTM c33 sand? if that much moisture will get in there to stop at the dense graded base layer and cause issues, wouldn't it also cause the same issues to a traditional bedding? I'm just confirming I understand what you mean.

[@alliancegatorED]

@@colindomaschofsky9313 While a paver surface with polymeric sand in the joints should result in nearly all of the water that falls on the surface to run off the surface during a rain event, water inevitably gets underneath the project into the setting bed and base material. Very little water will actually soak through the joint or the paver itself but the disturbed area of soil and base material around the edges of the project are a prime avenue for water infiltration. From our experience with thousands of hardscape projects, almost all of them are wet underneath. Open graded base has the potential to help a job drain and eliminate moisture that does find its way under a project if done correctly. Hope this helps!