How to Finish Concrete: 15 Steps
Finishing concrete is an essential part of any construction project, as it gives a smooth and professional appearance to the final product. The process can be nuanced and takes some skill to master. In this article, we will outline 15 steps for successfully finishing concrete.
1. Preparing the surface: The first step in finishing concrete involves clearing the area and making sure it’s free of debris. Remove any rocks, sticks or other objects that could interfere with the finishing process.
2. Set up batter boards: Set up batter boards around the area where you plan on pouring concrete, ensuring they are level and square.
3. Align forms: Use wooden or metal forms to create a boundary for your concrete pour. Ensure these forms are level, straight, and securely staked into the ground.
4. Mix concrete: Follow the manufacturer’s instructions for mixing a batch of concrete that will provide adequate coverage for your project.
5. Pour concrete: Slowly pour the mixed concrete into its forms within the designated area. Make sure it’s evenly distributed and filled to the appropriate level.
6. Screed: Drag a straight-edged tool (screed) across the top of the freshly poured concrete in a continuous fashion to remove excess material and create a uniformly smooth surface.
7. Initial float: Use a hand float or power trowel to further compact and smooth out the surface, ensuring it aligns with your forms and has no high or low spots.
8. Cut contraction joints: As concrete hardens, it tends to shrink slightly, which can cause cracks. To minimize this risk, cut contraction joints into your fresh surface using either a grooving tool or hand saw at regular intervals.
9. Let it set: Allow the poured concrete some time to rest (typically 1-2 hours) without exposing it to direct sunlight or moisture until it reaches “thumb-print” hardness.
10. Edging: Use an edger to smooth and shape the edges and corners of your concrete surface, especially where it meets other structures like walls or sidewalks.
11. Second float: Once the concrete has a firm consistency, return with your float to further smooth and even out the surface.
12. Apply a broom finish: To create a non-slip surface, lightly drag a wide soft-bristle broom across the semi-hardened surface.
13. Apply curing compound: To promote long-term durability, apply a curing compound like liquid membrane-forming compounds or wet curing burlap to the entire surface of your project.
14. Remove forms: Once the concrete has sufficiently cured, carefully remove the wooden or metal forms used to shape your pour.
15. Clean and seal: The final step involves cleaning away any leftover debris, rinsing with water if necessary, and applying a quality sealer to protect and preserve your new concrete surface.
By following these 15 steps, you can successfully finish concrete like a professional, achieving long-lasting results in nearly any construction project involving this versatile material.