calendar_today 10.09.2010 -
person
- timer ~2 Minutes
28+ Mortar Flagstone
Pictures. Lime was used by the romans and egyptians and has lasted thousands of years. Flagstone mortar mix should include hydrated lime.
Flagstone mortar completely gone where it meets concrete from i1370.photobucket.com
The preference was for 2 parts sand to 1 part portland. Thinset mortar is the same type of mortar that is used in traditional ceramic tile installations. Spread the mortar over the concrete bed then place the flagstones on top of that.
We are making a flagstone patio in the backyard.
I have inherited a problem with crumbling mortar in a flagstone walkway/steps, and some stones are loose, while a few others have a hollow sound when tapped with a wooden broomstick. We laid the stones on their gravel base, then filled around the edges with a mix of 1/3 mortar and 2/3 sand. Thinset mortar is the same type of mortar that is used in traditional ceramic tile installations. Spread the mortar over the concrete bed then place the flagstones on top of that.
