08:05AM | 10/12/04
Member Since: 01/17/04
3 lifetime posts
How important is it to seal newly poured concrete and also exsiting concrete?

My driveway was poured two years ago and sealed (skimpy). I had to replace part of it that pushed up during the freeZing weather. When they poured it, they did not seal it. They promised to return and seal the new batch, however, I have not been able to get them to come back. They promise to return but that has not happened!

Any advice on the importance of sealing or re-sealing concrete driveway? I would appreciate any information that you can give me.


Glenn Good

06:01PM | 10/12/04
Member Since: 09/10/03
314 lifetime posts
Sealing concrete serves 2 purposes:

1) You should seal the concrete immediately when it is finished. This keeps the moisture in the concrete and will help with proper curing. Rapid drying is one of the main causes of weakened and cracking concrete. Other methods of wet curing can be used instead of using sealer such as covering with burlap and using a soaker hose or sprinkler to keep it wet or by covering the fresh concrete with a sheet of polyethylene and taping all the seams. The concrete should be kept wet or covered for at least 300 degree-days. A degree day is the average temperature over a period of days x the number of days. For example if the average temperature is 60 degrees over a five day period:

60 degrees x 5 days = 300 degree-days.

2) It helps keep oil stains from penetrating the concrete making it easier to keep clean. The sealer will also help prevent water from penetrating the concrete where it can freeze during cold weather and could cause spalling.

Another thing you should know about the concrete mix used in your driveway: Insist that the concrete is ordered as "air entrained". The concrete plant will add an air entraining chemical to the mix. Air entrained concrete will hold up better against potential problems during cold weather freeze thaw cycles. Use this mix even if you are pouring in the summer to protect your concrete through the coming cold weather months.

Hope this helps.


Moderator: Construction Systems, Foundations, and Masonry & Stone

For more information about me and/or my qualifications please visit my website at:


Post a reply as Anonymous

Photo must be in JPG, GIF or PNG format and less than 5MB.


type the code from the image


Post_new_button or Login_button

Colorful, useful, and fun, these tire planters form the foundation for a delightful container garden. Just spray-paint old... Reused steel windows create an eye-catching splashguard in this walk-in shower. The vintage factory windows bring an inter... A galvanized steel tub is a surprising but charming fixture in this bright and breezy screened patio. It's perfect for was... If you're not crazy about the idea of commingling plants and pool, this modern variation may be more to your liking. The s... Yes, a freestanding garage can become its own tiny house. Artist Michelle de la Vega has all the comforts of a modern resi... If you lack plumbing skills but have a good sturdy tree, here's the easiest outdoor shower solution of all: Simply attach... Pursue what's known as the stack effect. To achieve it, open the windows on both the upper and lower floors, and as warm a... How do you like this smart use for an old bottle? Clamp an empty wine bottle to a fence or wall near your outdoor deck or ... Simple and striking, a couple of pieces of "lovingly used" furniture creates a special kind of charm. A weathered chair fo... Twine lanterns add pops of crafty—but sophisticated—flair to any outdoor setting. Wrap glue-soaked twine around a balloon ... When securely fastened to a tree or the ceiling of a porch, a pallet and some cushioning make the ideal place to lounge. V... Incorporate nature into your lighting scheme by securing a dead tree in a concrete mold and draping your pendant lamp from... For the cost of a can of exterior paint , you can totally transform your porch. Paint the floor a hue that complements yo... In this urban apartment, a standard-issue patio became a serene and green perch by replacing the typical concrete with gro... This garden shed has been decked out to the nines. Designer Orla Kiely created the intimate home for a flower trade show, ...
Newsletter_icon Google_plus Facebook Twitter Pinterest Youtube Rss_icon