We’re doing a restucco over some existing stucco faux brick from the 80s. Can we just pressure wash it and stucco on top of it (maybe use a bonding agent?) or do we need to chip it all off?
I know what I want to do but the stucco guy and I have different opinions.
What say ye?
Thanks
Replies
Depends if finish is pealing. Use 2500psi preasure washer to get loose stucco off. Acid etch, rinse, paint with bonding agent and apply new stucco. If old finish is in bad condition you should stucco over galv steel wire lathe, (this is best way to guarantee finish).
On a similar bent, If you are a stucco guy,
Block stem wall, grout joints bad, movement in the blocks... My idea was to screw self-furring lath to the block wall and then stucco over. Would this work to isolate the stucco and keep it from cracking as I know it would directly on the block?
Better suggestion?
Thank you.
You have to stop the movement.
Or. . .
Make a geometric or other pattern over the cracked area with expansion joints. Then fill in the panelswith different colored stuccos and other cementious materials.
Cover all cracks with slip material from one side of the crack to the expansion joint on the other side.SamT
There are three kinds of people: Predaters, Prey, and Paladins. The really strange thing is that Prey feels safer from Predators by disarming and emasculating Paladins.
I say, have you got pictures and a full description of the conditions?
There's no way I can answer that question with out knowing what is there.
edit: Also need to know what you want. Pick 1 or 2 of; cheap, speed, quality.
SamT
There are three kinds of people: Predaters, Prey, and Paladins. The really strange thing is that Prey feels safer from Predators by disarming and emasculating Paladins.
Edited 4/12/2007 9:11 pm by SamT
Edited 4/12/2007 9:13 pm by SamT
Sam T,
Thanks--here are two photos. 8" block and the footing appears to be 14" wide, don't know depth. Crawlspace, with posts and girders on round footings. Here in Eugene there are lots of clay soils that sponge out in the winter rain and shrink back in the summer heat. I don't know that much about foundations but I've never understood why more places aren't built on slabs that float with the swelling, or built over much more substantial footers... I dunno, but most houses in this area are on foundations just like mine and they move all over hell, doors sticking with the seasons and whatnot...
Finally, Cheap I never really like unless it results in speed or quality. Speed is good... but rarely results in quality.
Quality is best, of course, but the cost?
So here, I pick speed and quality. Is that a pickle? Low effort / high reward, right?
what say ye?
That is not faux brick your wanting to stucco over.
It is a block foundation wall.
It looks like it was dry-laid and a bad attempt at using Surface Bonding Cement was done. Or it was stucco parged to hide the fact that it was dry-laid.
It looks like the blocks were not core-filled and have no reinforcing.
I don't think you will be able to stop the cracking without rebuilding the foundation.
We now return to your original question.
The fast and quality method I would use to prep those surfaces for a cementious coating, either stucco or Surface Bonding Cement, which can look like stucco, would be to sandblast, removing all to original coating.
google "Surface Bonding Cement"SamT
There are three kinds of people: Predaters, Prey, and Paladins. The really strange thing is that Prey feels safer from Predators by disarming Paladins.
Yeah, I had interjected after the brick poster to ask about my block wall... maybe responded to the wrong poster.. I'm not the brick guy..
Never occurred to me it could be dry laid...looks like it is now that you mention it. And Yes, I don't belive the cores are filled but in the corners. There is a #### of rebar I know... I can see it running thru some of the blocks omitted for venting.
So you don't think there's any way to properly hide this ugly, shifty, dry laid block foundation?
Thanks
So you don't think there's any way to properly hide this ugly, shifty, dry laid block foundation
I would try the Surface Bonding Concrete first. It may solve the problem. I t certainly won't make it worse.
SamT
There are three kinds of people: Predaters, Prey, and Paladins. The really strange thing is that Prey feels safer from Predators by disarming Paladins.
Edited 4/13/2007 10:42 pm by SamT
Or excavate 6" to a foot, tapcon a ledger on and set hardi backer panels on the ledger. Use a metal expansion joint between the panels, Z molding over, and stucco color coat them.
A wilder option would be to apply a heavy spanish texture with various colors, like a pastel colored camoflauge uniform. Then plant the flowers in front.SamT
There are three kinds of people: Predaters, Prey, and Paladins. The really strange thing is that Prey feels safer from Predators by disarming Paladins.
Now that's a good solution. That surely would isolate the new facade/coating from the block, and not be that much more difficult or expensive than using metal lath.
Thanks a lot for your input.
I assume you rec applying a ledger rather than rest the panels directly on the footing because there's likely enough movement in the footing to displace the panels? What does the metal expansion joint you rec. look like. Would that be a strip with a 1/4" or 1/2" channel on each side to receive the backer board?
Thanks
Well, if the footing is close enough to the surface, go ahead and use it. If it moves, everything moves.
I would go to the local sheet metal shop and have the expansion joint fabricated with 12ga galvy.
_ _ _ _ |_| _/
Or something like that. Fasten it at the bottom and slip the top under the Z molding. Paint the cuts with Cold Galvanizing paint before color painting.
As long as the only attachment points are the bottoms, the corners of the house, and the Z molding and everything else is floating, you should be fine. BTW, the Z should slip under the housewrap at the mudsill.
The biggest crack will tell you how much movement to plan for.
SamT
There are three kinds of people: Predaters, Prey, and Paladins. The really strange thing is that Prey feels safer from Predators by disarming Paladins.