How to Replace a Concrete Walkway | Ask This Old House

Ask This Old House mason Mark McCullough replaces a concrete walkway with brick pavers. Click here to SUBSCRIBE to the official This Old House YouTube channel: http://www.youtube.com/subscription_center?add_user=thisoldhouse Time: 4-5 hours Cost: $500 and up Skill Level: Moderate Tools List for Replacing a Concrete Walkway: Pickax Sledgehammer Work gloves Safety glasses Rake Tamper Trowel Rubber mallet Level Push broom Shopping List: Disposable dumpster Brick pavers Gravel Stone dust 2x4” lumber Plastic edging Steps: 1. Look for a weak point in the concrete, such as the control joints or a crack in the walkway, and try to pry up the concrete pad using the pickax as leverage. If there are no weak points, hit the pad with a sledgehammer until a crack forms. 2. With the concrete pad loose, smash it with the sledgehammer until it breaks into manageable pieces. 3. Remove the concrete pieces and dispose of them in the disposable dumpster. 4. Clean out the base of the walkway with a rake and then compact it with a hand tamper. 5. Pour a layer of gravel on top of the walkway and spread it out with the rake. 6. Compact the gravel with the hand tamper. 7. Pour a layer of stone dust on top of the gravel and spread that with the rake as well. 8. Screed the stone dust level with a scrap piece of lumber. Use a trowel and additional stone dust to fill in low spots as you screed. 9. To make the screed process easier, here’s a trick: take the lumber and notch out on each end the thickness of one of the bricks. Then, place the two notched edges on the edges of the walkway. This will ensure the level of the stone dust if the perfect height to receive the bricks. 10. Compact the screeded stone dust with the tamper. 11. Place the bricks on the walkway in the desired pattern. In the video, Mark installs the walkway in a running bond pattern. 12. Once the bricks are in the correct position, hammer them down with a rubber mallet. Use a level to ensure the bricks line up and the walkway stays flat. 13. Install some plastic edging on both sides of the walkway to ensure the bricks stay in place. 14. Add a final layer of stone dust over the walkway and brush it into the joints with a push brush. 15. Wash off the walkway. Mark prefers to wait for a rainstorm to more naturally wash in the stone dust joints. 16. Add additional layers of stone dust as necessary and wash off the walkway until the joints in the bricks are completely filled and packed down with stone dust. About Ask This Old House TV: Homeowners have a virtual truckload of questions for us on smaller projects, and we re ready to answer. Ask This Old House solves the steady stream of home improvement problems faced by our viewers—and we make house calls! Ask This Old House features some familiar faces from This Old House, including Kevin O Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and landscape contractor Roger Cook. Follow This Old House and Ask This Old House: Facebook: http://bit.ly/ThisOldHouseFB Twitter: http://bit.ly/ThisOldHouseTwitter http://bit.ly/AskTOHTwitter Pinterest: http://bit.ly/ThisOldHousePinterest Instagram: http://bit.ly/ThisOldHouseIG http://bit.ly/AskTOHIG Tumblr: http://bit.ly/ThisOldHouseTumblr How to Replace a Concrete Walkway | Ask This Old House https://www.youtube.com/user/thisoldhouse/