This step in the finishing operation is the most important in producing a true plane surface and takes place immediately after the spreading of the concrete.
Screeding concrete against a wall.
Follow screeding immediately with the darby photo 2.
Now cut a u shaped notch on the end of a 2 x 6 or 2 x 8 to accept the 2 x 2.
When you re hand screeding use a sawing motion across the guides as you creep forward along the guides.
Your goal is to level out marks and fill small holes left by screeding.
Straightedges are used to strikeoff or screed the concrete.
Screeding levels the concrete with the top of the forms and begins the process of forcing the larger aggregate below the surface.
This process removes excess concrete and brings the top surface of the concrete to proper grade.
Screeding should begin as soon as possible after the concrete is poured.
Screeding concrete is one of the first steps in placing and finishing concrete.
Use any 2x4 that overlaps the forms by at least 6 in but make sure it s straight photo 1.
Screeding when done properly will leave you with a good even flat surface free of humps bumps holes and low spots.
This can usually be accomplished by some diyers on a small scale like a sidewalk for example.
It must be completed before excess bleedwater appears on the surface.
Screeding is the art of skimming or striking off the surface of the concrete after rough raking it.