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Old 07-12-2008, 01:54 PM   #31
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How often should you seal an asphalt driveway?


I will definitely do that, and THANK YOU for the offer! That is very generous. I need to borrow a digital camera from someone and will take the pics.

When you use the word "repair" first, I'm assuming that refers to "patching"? Is a patch or the overlay made of asphalt? The 2" overlay that people are referring to, does that still need to be "sealed"?

This is all very helpful!!!

And thanks everyone for understanding my financial situation.

This is a great forum!

Karen

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Old 07-12-2008, 02:45 PM   #32
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How often should you seal an asphalt driveway?


Karen,
Yes, repairing and patching are the same. The patch and the overlay are both asphalt. Most of the terminology referring to asphalt is just like it sounds (made simple for people like me with a small brain) LoL. Like, fixing a repair on a tire, you put a patch, same thing. An overlay is just like it sounds you lay asphalt over asphalt = overlay. I know, your probably thinking, why don't they call it "layover" then. Lol. Seriously, back to your questions. As far as sealing it. If I were you I wouldn't even worry about sealing it yourself since you are selling your house. Just remind the buyers that they are getting a new driveway with the deal. just to let you know, an overlay will look no different from the surface than if you were to completely put a new driveway in. Save that money and seal the driveway at the new house you'll be moving into.

I agree, this is an awesome forum.

Kelly

Last edited by kbrena; 07-12-2008 at 03:11 PM.
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Old 07-26-2008, 06:02 PM   #33
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How often should you seal an asphalt driveway?


What is the best for sealing a driveway- an oil based product or a polymer. I have two professioal guys, both swearing by one of them.
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Old 02-29-2012, 11:53 AM   #34
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How often should you seal an asphalt driveway?


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Originally Posted by RDS View Post
Ours was laid new in Nov. 2006. Northern New Jersey. Haven't had it sealed since; wondering if that's something I need to get moving on. Thanks.
Depending upon the present condition of your driveway. The best time to seal a driveway is as soon as it has cured(generally 90days of moderate temperature weather-do not include winter for nj. sealing the oavement provides a insulating barrier that protects the oil based bituminous (asphalt) pavement from being degraded by solvent,oil,fuel leaks or spills, ultraviolet rays, sunlight which over time dries out the pavement turning it lighter in color and brittle and more prone to erosion; especially on the surface as the fine aggregate(sand,stone dust) in between the larger mix aggregate(ussually a 3/8 incnh stone) dissapates or becomes dry and breaks away leaving the driveway apear rougher and then without the fine aggregate bondind the next stage of ersion will be when the larger (3/8 ") aggregate starts breaking out; a codition called ravelling... At this point your in trouble and must halt the ravelling or look at replacing the pavement again in a few years or less. So seal it after six months to a year and keep it sealed every 3 years or so and if it was properly constructe from the beginning you may have a driveway that will look 1 year old 30 years from now. I guarentee this..Do not use the wrong sealer or you could destroy the pavement. do not seal over a surface that is not properly cleaned and dust free or the product may wear or peel off and resealing won't help much if he perevious pour sealer wants to peel off taking the newer good job with it..agin you may destroy the driveway.. There really aren't many options when it comes to the driveway maintenanc; and the big stores sell cold crap that is sub standard and would not meet recomended engineering specs.( sorry for being blunt...but truthfull). You have to maintain your driveway just like everything else. If you do it incorrctly you could do lots of damage. the factors to be cosidererd are ; surface texture; ie; fine,medium,rough.,cracks? oil sots, against curb or building, drainage. Botom line is that the average 1500 sq. ft. driveway of medium surface texture, having 1 or 2 small oil spots, 15-30 feet of narrow cracks with curbs on both sides costs about $350. to do. As a contractor I can tell you one of our crews will do about 5-6 of these daily and our prices must be competitive(confrmed) as 62% of our estimates turn into jobs. Please, do know this; Additionally, more than 90% of those who refer to themselves as contractors are not , in my opinion, or would they be recognized as professional by any proper construction procurement agency, as qualified to provide the sealcoating service.....sincerely, Tom Hamway of kristophersealcoating.com
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Old 02-29-2012, 12:00 PM   #35
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How often should you seal an asphalt driveway?


Oil based pavement sealer is not legally distributed in nj for the past decade plus. It also would react with the similar oil base of the asphalt . so there would be ros and cons to its use...short answer is NO to oil base.
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Old 07-15-2012, 01:38 AM   #36
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How often should you seal an asphalt driveway?


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Interesting... It is my understanding that driveway sealers are simply dressings to keep your driveway looking good. They may offer some minimal topical protection for a short period with regard to leaking oil and the like.

Most driveway damage begins underneath the driveway from moisture and frost etc.

Blacktop is water soluble, and water will degrade it over time. Usually witnessed first at the edges where they begin to break away.

If you dress down your driveway you are doing it mainly for aesthetics not because it will make your driveway last longer.

Kbrena is correct, and for my money the point is not stressed enough... They are all in a sense paint, even the rubberized sanded ones. Also so called airport grades.
You really don't know what your talking about... sealer will protect the fine aggregate between the larger 3/8 aggregate from drying up and eroding , washing away exposing the larger aggregate and than the next stage of erosion is raveling when the 3/8 stone breaks free and dissapates opeening the surfac even 1/4" lower wher ther is a differenc in desity of only a fw percent but that make s th asphalt so, so much weaker and suseptible to cracking and other erision.. A properly constructed driveway that is properly sealed( not by hand) in its 1st 6monthhs to a year and every 3 years after that will hold up and look like new 30 or even 35 years after installation.. I've built it, done it and seen it many times. subteranian conditions have to be correct. It also cannot be oversealed or have a selent applied to thickly as the material will not release or expell agents. You should be able to smell your driveway on a still day; even after 30 years. anyway; nGodnight..
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Old 07-16-2012, 09:39 PM   #37
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How often should you seal an asphalt driveway?


Is there a specific diy product anyone can recommend?

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