How Do You Finish A Large Span Of Concrete?
• Cutting a form to fit with a handsaw. Set your forms. These need to be set to the correct grade, braced securely, and aligned correctly. Loading… • 12 foot span between forms with a 14 foot magnesium straightedge. Determine the width you are able to place and screed off in a single pass. Normally, the straight-edge for “screeding”, or levelling off the plastic concrete, should be less than 16 feet, unless you have lots of people to “pull” the excess concrete from in front as you progress down the length of the placement. 12 feet is a more reasonable width for 2 persons working the screed board, and one person raking the higher concrete in front of the screed. • Here, a wet screed is used to keep concrete flat. Set a “floating form” or a “pipe screed” along the length of the pour. This is a guide to keep the screed at the correct height so that the concrete finishes off flat. It can be a 2×2 board, or a 1 1/2 to 2 inch metal pipe set on top of stakes, that can be removed from the co