mybeach

Anyone ever resurface a concrete driveway?

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Experimenting with Portland cement. Mix it up with just water into a paint like consistency and brush it on.

 

power wash a test area

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1 part Portland to 3/4 part water for the first test. Wet the surface. No too wet, thins out the mix on the surface way too much. CA07077A-0BCB-401F-A74F-AF6AE22EF0B0.jpeg.3000d0737fcb13db62e6af776e9d5f84.jpeg


 

 

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A little thicker at the top, same viscosity but much wetter concrete at the bottom. Need to just be surface wet. Will use a pump sprayer next.

 

a much dryer patch with a much thicker viscosity. Works better. Thinking about making a thicker mix and troweling it on instead of brushing.

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So, how’s it going? Good. One bag of Portland down.

 

what have I learned?


different recipes yield different color finishes. 
 

this is probably going to take 3 coats to give me the final look I want.

 

this has to be done with a surface wet application. Standing water no good. Just a damp surface is good. A spray bottle can be too little and a musty garden hose too much. Sweep the excess off. 
 

the best ratio I have found is equal parts water to Portland. 
 

I like small batches, about 1 quart at a time. 4 inch latex paint brush.

 

dont try and apply it to a dry surface. It will not bond. 


this is one coat with random recipes working quickly, getting a feel for it. 
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areas I fixed cracks sucked up tons of moisture and did nit hide. 

this is two plus coats, looks good, might actually roll on the top coat lol. Not recommended. 
 

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Some areas still curing. 

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11 hours ago, mybeach said:

different recipes yield different color finishes. 

Mixing concrete, like baking, is chemistry. The recipe must be consistent from batch to batch. Learned that way too long ago humping block and mixing mud for my BIL and his partner. I got real good at it. 

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I've been using the Quikrete version of FloCoat (called Re-Cap) to re-level and resurface a 22x12 slab porch.  It is kicking my butt.   I try to be consistent in my mixing, but it seems like each bag has a mind of it's own when it comes to spreading evenly with the squeegee.  I've been doing small batches between 2 and 6 bags at a time.  Today was my 3rd attempt, and thought I finally did a nice job. But what looked nice wet turned out pretty shoddy when it dried.   I have a new respect for people that do nice concrete finishing work.   Mine would probably look better if I'd have let my kid slap it on like finger paint.   It's like a drunken concrete monster puked on my deck.  

 

Good news is, I'm doing thin coats and can always build another thin coat to fix the last.  It's not exactly cheap concrete to go all trial-and-error with, but that's what I've gotten myself into.  

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I see brush marks and overlay lines everywhere. 
 

im thinking a good coat of sealer at some point may help them disappear somewhat. 
 

I’m also looking into various stain products, but just like most things, very difficult or impossible to obtain here. 

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4 hours ago, mybeach said:

I’m also looking into various stain products, but just like most things, very difficult or impossible to obtain here. 

If I could, I would send you a couple of bags full of oak leaves. They'll stain the crap out of yer concrete.

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Redoing my pool and a rep came out to meet my mason the other day and had a resurfacing product in mind for my patio...I'll find the deets.

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So far. About 150 lbs of Portland. The whole surface is covered and in some places 3 applications.   
 

the most recent application was 1 part Portland to 1 part water. Spreads on very thinly. Seems to be stable, any flaking was scraped off and the top coat seems to have adhered nicely.

 


Tested a couple sections rolling it on with a paint roller. This definitely eliminates the brush marks and overlap. 
 

overall:

apron sectioned rolled below the joint.

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On 6/15/2020 at 1:16 PM, mybeach said:

I see brush marks and overlay lines everywhere.

You can very gently sand those down with a grinder before you stain.

This is rather picky work, as you have discovered.:)

 

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