What to put between flagstone joints - Devin
Keeping the flagstone joints tight will make it so LESS water penetrates down into the ground right there, yes. Make sure the patio is pitched hard enough. 2.5 inches over a ten foot span will be enough, provided there are no major dips.
Flagstone: what to use, sand, cement, or gravel?
Hi Devin! So excited I found your blog! My fianc; are DIYers hoping to cover an existing concrete slab (10 years old with no cracks we live in Houston, Texas–no freezes) with flagstone and have been researching the best way to go about it.