DIY Home Improvement, Remodeling & Repair Forum

DIY Home Improvement, Remodeling & Repair Forum (http://www.houserepairtalk.com/forum.php)
-   Bricks, Masonry and Concrete (http://www.houserepairtalk.com/f17/)
-   -   Staining cinderblock sides of raised concrete slab patio (http://www.houserepairtalk.com/f17/staining-cinderblock-sides-raised-concrete-slab-patio-9870/)

DebbieG 09-02-2010 08:37 PM

Staining cinderblock sides of raised concrete slab patio
 
2 Attachment(s)

Hi all...Need a professional opinion....I recently had sagging slab removed from existing raised concrete patio built on cinderblock. (See attached photos)..It was replaced w/a colored/stamped concrete slab. The top course of cinderblocks was replaced but the lower old ones were left in place to save $$.
The old top used to sag toward house and rain would puddle outside of doorwall so we would sweep it off onto the driveway and it would stay against the block until it dried for awhile. (That part of the driveway has also been replaced to drain away).
Problem now is we would like to stain the cinderblock to match the stamped top but the side where we used to sweep the water off has some blackened blocks (see photo)..There are a few other areas where the blocks are darker also. We had talked to the contractor who did the new work about staining the cinderblock to match the new slab and he recommended we go to Sherwin Williams. I asked the Sherwin Williams guy what the best type would be and if we should use a type that seals the block, or one that allows it to still breathe since water can still come up though the ground and will try to escape through the block...(I'm thinking that sealing it may hold all moisture and water in and that might not be a good thing)....He just said "thats a good question... I don't know the answer to that one". ??
I can't seem to find anything about it online either.
He recommended starting out scrubbing it with Dawn dish detergent and powerwasing to get the black off no matter what we used after. I did that but it hardly removed anything. I also tied a 50/50 mixture of bleach/water on the black parts but that did nothing either. Im afraid to use anything more powerful because it will be rinsing down onto new ground level slab and I don't want to risk it ruining the sealer on that.
Im now to the point in thinking that, if I can't get the black off, I'm going to have to go with a very dark brown instead of a matching color just to hide it.
I'm hoping to get a professional opinion on:
A. Do we need to use a special type of stain so that concrete can still breathe and release moisture or is it ok to seal it?
B. Is there something I can use to remove the black without worrying about it ruining the sealer on the lower part as it runs down or when I rinse it off?
(While I'm at it....I will be building a Pergola over the top soon too. Any advice on the best brackets to use the keep moisture from wicking up into the post? Home Depots weren't raised to prevent this)?
Thanks !


DebbieG 09-02-2010 08:37 PM

Staining cinderblock sides of raised concrete slab patio
 
2 Attachment(s)

Hi all...Need a professional opinion....I recently had sagging slab removed from existing raised concrete patio built on cinderblock. (See attached photos)..It was replaced w/a colored/stamped concrete slab. The top course of cinderblocks was replaced but the lower old ones were left in place to save $$.
The old top used to sag toward house and rain would puddle outside of doorwall so we would sweep it off onto the driveway and it would stay against the block until it dried for awhile. (That part of the driveway has also been replaced to drain away).
Problem now is we would like to stain the cinderblock to match the stamped top but the side where we used to sweep the water off has some blackened blocks (see photo)..There are a few other areas where the blocks are darker also. We had talked to the contractor who did the new work about staining the cinderblock to match the new slab and he recommended we go to Sherwin Williams. I asked the Sherwin Williams guy what the best type would be and if we should use a type that seals the block, or one that allows it to still breathe since water can still come up though the ground and will try to escape through the block...(I'm thinking that sealing it may hold all moisture and water in and that might not be a good thing)....He just said "thats a good question... I don't know the answer to that one". ??
I can't seem to find anything about it online either.
He recommended starting out scrubbing it with Dawn dish detergent and powerwasing to get the black off no matter what we used after. I did that but it hardly removed anything. I also tied a 50/50 mixture of bleach/water on the black parts but that did nothing either. Im afraid to use anything more powerful because it will be rinsing down onto new ground level slab and I don't want to risk it ruining the sealer on that.
Im now to the point in thinking that, if I can't get the black off, I'm going to have to go with a very dark brown instead of a matching color just to hide it.
I'm hoping to get a professional opinion on:
A. Do we need to use a special type of stain so that concrete can still breathe and release moisture or is it ok to seal it?
B. Is there something I can use to remove the black without worrying about it ruining the sealer on the lower part as it runs down or when I rinse it off?
(While I'm at it....I will be building a Pergola over the top soon too. Any advice on the best brackets to use the keep moisture from wicking up into the post? Home Depots weren't raised to prevent this)?
Thanks !


erndog 09-05-2010 04:02 PM

stucco it
 
1 Attachment(s)

Hi I am just an amateur( so take my advice with a grain) but I feel if you just stain the block you will still see the grid pattern of the blocks. I put up a retaining wall and slapped a product called quikwall on it. I put in a stain that also came from HD. I think mine came out nice, so it might be an option for you. Good luck and the stamped concrete looks great.


DebbieG 11-19-2010 07:41 AM

Quikwall used to cover cinderblock foundation
 
2 Attachment(s)

Checking back to see if any replies to my last post yet and to add photos....Still wondering about my previous questions if anyone can help. It would be nice to get the color right and seal before winter if we get another nice day, but will wait if that's best.
As you can see in the photo, it just turned out a little too orange for me. I mixed 2 colors trying to get it right, and it looks ok, but what can I say.....I'm a bit of a perfectionist.
(Compare back to my previous photo and you'll see that it does look 110% better though!)
Thanks for all the good advice (and for letting me know about Quikwall ERNDOG!)


DebbieG 11-19-2010 07:41 AM

Quikwall used to cover cinderblock foundation
 
2 Attachment(s)

Checking back to see if any replies to my last post yet and to add photos....Still wondering about my previous questions if anyone can help. It would be nice to get the color right and seal before winter if we get another nice day, but will wait if that's best.
As you can see in the photo, it just turned out a little too orange for me. I mixed 2 colors trying to get it right, and it looks ok, but what can I say.....I'm a bit of a perfectionist.
(Compare back to my previous photo and you'll see that it does look 110% better though!)
Thanks for all the good advice (and for letting me know about Quikwall ERNDOG!)



All times are GMT -6. The time now is 07:45 AM.