Kim from Victoria, B.C. pulled up a carpet and discovered that the concrete floor slab was not level with the door sill. What to do? Use Self Levelling concrete.
This is an easy to find but very special type of concrete that will say 'Self-Levelling' right on the bag. It is designed to flow like...
Tools Vary
Woodworking tools, from table saws to portable saws right down to tiny routers vary in rotational speeds from around 3,000 RPM (Revolutions Per Minute) up to 50,000 RPM. If it is a direct drive motor, the arbor RPM and the blade RMP are the same, which is true of routers and many, bu...
Air Entrainment
When ordinary concrete gets wet and then freezes, the ice crystals can cause surface chipping, or even more serious fracturing. All outdoor concrete in Canada, even by code, should be what we call air entrained. This means that there are microscopic air bubbles in the concrete ...