Subject: Both, actually. (On the top or next to the existing driveway) Author: mwong as M.Wong (moderator) : member since December, 2003 : 4012 posts Posted on: 2008-04-24 20:21:13

Both, actually...

The contractor said that if the goal is to keep vehicles out (as opposed to just decoration or lawn edging) then this larger "tall slant" curb is required. It can have the rebar inside for maximum strength, unlike the shorter "slant" shape.

Here are their five: standard shapes.

The grass side required maximum strength since that is where people seem to drive off. Putting this curb with the rebar right on top of the existing exposed aggregate driveway is their strongest application. They lay down a liquid adhesive and put the curb on top of it, feeding the rebar inside.

For the other side, cars generally do not drive over the edge. Rather than maximum strength, my goals were for appearance and drainage.

They dug a trench next to the existing driveway and added more concrete to the curb, so it goes down into the dirt several inches. The curb is placed 1" on the existing driveway edge, and about 5" into the garden bed. It also has the rebar, though due to the placement it will have a little less strength. Placement next to the drive means a loss of less space, though.

This "tall slant" curb itself is 4.5" tall on the back, 2.5" tall on the front, and 6" wide.


Fourth pic in the original post shows the grass side, curb being put on top of the driveway.


And this shows the other side, how the curb is about 1" on top of the driveway, 5" into the dirt.


M.Wong
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• Residential driveway - concrete curbing (pic) - M.Wong 2008-04-23 23:47:00 (242 views)
  • That's terrific and all, but where did you and the Mrs. put your handprints? - davidc 2008-04-25 02:41:30 (52 views)
    • No smooth spots with the exposed aggregate, so we did not... =) (nt) - M.Wong 2008-04-25 10:43:36 (55 views)
  • Does it go on the top edge of the existing driveway, or next to it? - spalding 2008-04-24 19:20:55 (47 views)
    • Both, actually. (On the top or next to the existing driveway) (pic) (url) - M.Wong 2008-04-24 20:21:13 (71 views)
  • 3 words - thesteve 2008-04-24 13:06:26 (66 views)
  • You guys need to make more land out there!!!! (pic) - dj37027 2008-04-24 13:05:14 (102 views)
    • I can park more than a half dozen cars on my driveway... - M.Wong 2008-04-24 20:28:44 (42 views)
  • I love those 'curb crapper' machines.Cool how they do that (nt) - sdmike 2008-04-24 11:08:46 (51 views)
  • Nice! that will definitely keep people from driving on your lawn (nt) - 04sshd 2008-04-24 02:01:28 (70 views)
  • Looks good to me! (nt) - davidc 2008-04-24 01:04:21 (41 views)
  • WOW looks nice and quick! no waiting for the first curb damage pic ;-) (nt) - Edwin 2008-04-24 00:33:16 (54 views)
  • Guess this means no 22' low profiles for you . Nice curbs :-) (nt) - JL 2008-04-23 23:54:50 (50 views)