Rebar Placement for Reinforcement

What happens in this clip

Take a length of rebar and bend it to create a rectangular shape that fits inside the concrete form, forming a cage-like structure. If needed, use an ultimate pry bar (or a rebar bender) for leverage to bend the rebar accurately. Cut any excess rebar using an angle grinder with a cutting wheel. Once bent and cut to size, carefully place the rebar grid into the form, ensuring it is centered. Use tie wire to secure intersections of the rebar, creating a stable mesh. Use small pieces of rock or specialized rebar chairs to elevate the rebar approximately 1.5 to 2 inches off the gravel base, ensuring it is embedded within the middle of the concrete slab for optimal tensile strength. This proper placement prevents the rebar from settling to the bottom, which would compromise its effectiveness.

Goal: This crucial step involves cutting, bending, and securing rebar within the form to provide structural reinforcement for the concrete pad.

What's used

Tools

• Angle Grinder
• Cutting Wheel (for angle grinder)
• Pliers (for tie wire)
• Rebar Chairs
• Tie Wire
• Ultimate Pry Bar

Materials

• Rebar

About the full video

This video details the process of constructing a reinforced concrete pad for an outdoor mini-split AC unit. It covers everything from ground preparation and building the form to proper rebar placement, concrete mixing, pouring, and finishing techniques, emphasizing structural integrity and durability for a small foundation.

Step 4 of 10: Place Rebar or Wire Mesh

Cut rebar or wire mesh to fit inside the formwork, ensuring it is elevated slightly off the gravel base. You can use rebar chairs or small pieces of gravel to keep it suspended. This reinforcement will prevent the concrete from cracking under stress.

Open this step in the guide

Every video in How to Pour a Concrete Landing Pad for Deck Stairs

1. Step 1: Excavate Area

   • 13:17–15:33 Prepare Stair Base and Pour Concrete Pad
   • 0:04–0:15 Site Preparation and Trench Digging
   • 4:20–8:36 Prepare & Pour Concrete Pad

2. Step 2: Install Formwork

   • 2:04–2:33 Build and Position Concrete Form
   • 0:33–0:47 Formwork Installation
   • 0:00–0:34 Lay Out and Assemble Initial Form Boards

3. Step 3: Add and Compact Gravel Base

   • 2:21–2:33 Add & Compact Basecourse
   • 3:15–4:05 Lay and Compact Gravel Base
   • 0:20–0:38 Prepare Gravel Base

4. Step 4: Place Rebar or Wire Mesh

   • 2:45–3:06 Add Steel Reinforcement (Rebar)
   • 1:30–1:40 Add Wire Mesh Reinforcement
   • 5:41–6:46 Rebar Placement for Reinforcement (this video)

5. Step 5: Mix and Pour Concrete

   • 0:30–0:42 Pour and Level Concrete
   • 3:10–3:41 Pour and Screed Concrete
   • 1:58–2:31 Mix and Pour Concrete

6. Step 6: Screed the Concrete

   • 0:04–0:13 Screed the Concrete
   • 0:24–1:01 Screed the Concrete Surface
   • 0:17–0:45 Screed the Concrete Surface

7. Step 7: Float the Concrete

   • 0:16–0:25 Float the Concrete Surface
   • 0:44–0:46 Hand Float Concrete Surface
   • 1:15–1:29 Float Concrete

8. Step 8: Finish the Concrete

   • 0:07–0:11 Trowel for Smooth Concrete Finish
   • 10:04–11:22 Final Troweling and Finishing
   • 3:30–4:49 Concrete Floating and Troweling

9. Step 9: Cure the Concrete

   • 2:08–2:39 Cure Concrete
   • 0:57–0:59 Cure Concrete and Remove Forms
   • 5:50–6:12 Cure the Concrete

10. Step 10: Remove Formwork

    • 8:43–10:04 Remove Form and Backfill
    • 4:03–4:08 Remove Formwork
    • 0:52–0:54 Remove Formwork