PerkGrout is a very fine pervious concrete specifically designed to be used in the joints between flagstone set over compacted rock or pervious concrete.
How do you use perk grout?
https://www.youtube.com/watch?v=LHEXn4VLc-Q
How do you make porous concrete?
https://www.youtube.com/watch?v=tDblkXphYlw
What is porous concrete made of?
Porous concrete consists of a mix including Portland cement, uniform open-graded coarse aggregate, and water. The void space of porous concrete ranges between 15% and 22%, compared to a three to five percent void space in conventional concrete. The concrete itself provides for some pretreatment of runoff.
Can you get porous concrete?
If you are a homeowner and you'd like to do a little area of pervious concrete, aka porous or permeable concrete, you are going to have to make your own mix, because pervious concrete is not available in bags yet. ... They are the same as regular concrete, rock, sand, cement & water, but minus the sand.Feb 6, 2018
Why is concrete so porous?
Calcium silica hydrates, or CSH, are the key to cement's solidity. As they form, they combine, developing tight bonds that lend strength to the material. These connections have a surprising byproduct — they make cement incredibly porous.Apr 3, 2020