Installing Wall Caps and Securing Them
4:44
16:07
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At 4:44 in
Finish=Turning a Hill into a flat(er) backyard 4k
What happens here
After all courses of the retaining wall are laid, the final course of cap blocks is installed to provide a finished look and protect the wall. These cap blocks are often customized, requiring precise cuts or splits (using the tools from the previous step) to fit perfectly, especially at corners or where the wall meets the house. Once in place, each cap block is permanently secured to the course below using construction adhesive, applied with a caulking gun. This adhesive ensures the caps remain stable and adds durability to the overall structure.
Goal: Complete the top layer of the retaining wall with capstones and permanently secure them.
Tools and materials
- Caulking Gun — Applying construction adhesive
- Chisel/Splitting Tool — Splitting cap blocks
- Dust Mask — Respiratory protection during cutting
- Ear Protection — Hearing protection during cutting
- Hammer — Assisting with block adjustments or splitting
- Retaining Wall Cap Blocks — Finishing the top of the retaining wall
- Safety Glasses — Eye protection during cutting and splitting
- Speed Square — Marking cut lines
- Tape Measure Stanley Powerlock — Measuring blocks for custom cuts
- Construction Adhesive — Securing cap blocks to the wall
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