How to Rebuild a Concrete Block Retaining Wall | Ask This Old House
Ask This Old House mason Mark McCullough rebuilds a retaining wall that was stacked with the wrong material.
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Time: 2-3 days
Cost: $4000
Skill Level: Moderate
Tools List for Rebuilding a Concrete Block Retaining Wall:
Shovels [https://amzn.to/2mQYAwP]
Wheelbarrow [https://amzn.to/2mv6dco]
Tamper [https://amzn.to/2mo5iKB]
Rubber mallet [https://amzn.to/2mwVVrT]
Level [https://amzn.to/2mZkdv9]
Wet saw [https://amzn.to/2lhfVPm]
Shopping List:
Tarp [https://amzn.to/2lhb4O6]
Gravel [https://amzn.to/2mQJw2e]
Concrete blocks [https://amzn.to/2mXvzzM]
Channel connectors
Fabric liner [https://amzn.to/2ls9sky]
Perforated plastic pipe [https://amzn.to/2lik1Xt]
Construction adhesive [https://amzn.to/2mZ2rbn]
Steps:
1. Remove any plants lining the retaining wall with a shovel. Dig deep to give the plants a strong root ball.
2. Transfer plants temporarily to a tarp for safekeeping.
3. Remove the pieces of the old wall.
4. Dig a few inches back and deep along the location of the old wall.
5. Lay a thick base of gravel along the trench. Pack it down tight with a tamper.
6. Lay the first course of blocks about halfway deep in the trench. Lay one block every six feet or so along the length of the wall, level those to one another, and then fill in the rest of the wall. Use the rubber mallet to secure the blocks in place.
7. Lay a fabric liner along the back and base of the wall.
8. Backfill behind the first course with more gravel.
9. Lay the next course of blocks. Line up the channels using the channel connectors. Be sure to not overlap face joints.
10. Lay the perforated plastic pipe behind the wall and backfill with gravel.
11. Install the next course of blocks the same as the second. Backfill with gravel. Repeat until the wall is at the desired height. Some blocks may need to be cut with a wet saw to ensure an even fit on each course.
12. To secure the top cap for the blocks, add construction adhesive to the top course of blocks. Then add the cap pieces. Even it out with the rubber mallet.
13. Return any plants back to the wall if needed.
Resources:
Mark used Mini Creta 6” landscape blocks in the color sandlewood, manufactured by Techo Bloc (https://www.techo-bloc.com/en/).
To join the top cap to the blocks, he used Gorilla Construction Adhesive, manufactured by Gorilla Glue [https://amzn.to/2mvcUew] (https://www.gorillatough.com/).
Everything else he used, including shovels, landscape fabric, and gravel can be found at home centers, landscape and masonry supply stores.
Expert assistance for this project was provided by MJM Masonry (http://www.mjmmasonry.com/).
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.
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How to Rebuild a Concrete Block Retaining Wall | Ask This Old House
https://www.youtube.com/user/thisoldhouse/
Видео How to Rebuild a Concrete Block Retaining Wall | Ask This Old House канала This Old House
SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse
Time: 2-3 days
Cost: $4000
Skill Level: Moderate
Tools List for Rebuilding a Concrete Block Retaining Wall:
Shovels [https://amzn.to/2mQYAwP]
Wheelbarrow [https://amzn.to/2mv6dco]
Tamper [https://amzn.to/2mo5iKB]
Rubber mallet [https://amzn.to/2mwVVrT]
Level [https://amzn.to/2mZkdv9]
Wet saw [https://amzn.to/2lhfVPm]
Shopping List:
Tarp [https://amzn.to/2lhb4O6]
Gravel [https://amzn.to/2mQJw2e]
Concrete blocks [https://amzn.to/2mXvzzM]
Channel connectors
Fabric liner [https://amzn.to/2ls9sky]
Perforated plastic pipe [https://amzn.to/2lik1Xt]
Construction adhesive [https://amzn.to/2mZ2rbn]
Steps:
1. Remove any plants lining the retaining wall with a shovel. Dig deep to give the plants a strong root ball.
2. Transfer plants temporarily to a tarp for safekeeping.
3. Remove the pieces of the old wall.
4. Dig a few inches back and deep along the location of the old wall.
5. Lay a thick base of gravel along the trench. Pack it down tight with a tamper.
6. Lay the first course of blocks about halfway deep in the trench. Lay one block every six feet or so along the length of the wall, level those to one another, and then fill in the rest of the wall. Use the rubber mallet to secure the blocks in place.
7. Lay a fabric liner along the back and base of the wall.
8. Backfill behind the first course with more gravel.
9. Lay the next course of blocks. Line up the channels using the channel connectors. Be sure to not overlap face joints.
10. Lay the perforated plastic pipe behind the wall and backfill with gravel.
11. Install the next course of blocks the same as the second. Backfill with gravel. Repeat until the wall is at the desired height. Some blocks may need to be cut with a wet saw to ensure an even fit on each course.
12. To secure the top cap for the blocks, add construction adhesive to the top course of blocks. Then add the cap pieces. Even it out with the rubber mallet.
13. Return any plants back to the wall if needed.
Resources:
Mark used Mini Creta 6” landscape blocks in the color sandlewood, manufactured by Techo Bloc (https://www.techo-bloc.com/en/).
To join the top cap to the blocks, he used Gorilla Construction Adhesive, manufactured by Gorilla Glue [https://amzn.to/2mvcUew] (https://www.gorillatough.com/).
Everything else he used, including shovels, landscape fabric, and gravel can be found at home centers, landscape and masonry supply stores.
Expert assistance for this project was provided by MJM Masonry (http://www.mjmmasonry.com/).
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
For more on This Old House and Ask This Old House, visit us at: http://bit.ly/ThisOldHouseWebsite
How to Rebuild a Concrete Block Retaining Wall | Ask This Old House
https://www.youtube.com/user/thisoldhouse/
Видео How to Rebuild a Concrete Block Retaining Wall | Ask This Old House канала This Old House
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