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Search: Posts Made By: stu rosen
Forum: Tile Forum/Advice Board 04-07-2018, 02:18 PM
Replies: 40
Views: 7,880
Posted By stu rosen
I agree with Kati-just to add- Klenzstone is a...

I agree with Kati-just to add-
Klenzstone is a great product-it is acidic however so use proper precautions and read the sds.
The first thing I would do is take a moisture reading of the surface. I...
Forum: Cleaning, Restoration and Sealing 02-11-2018, 04:27 PM
Replies: 5
Views: 1,523
Posted By stu rosen
While cement based grout is mold and mildew...

While cement based grout is mold and mildew resistant ,grout lines get laden with soap,body oils,product oils and a host of other substances that mold and mildew can live in. Keep the grout lines...
Forum: Cleaning, Restoration and Sealing 02-11-2018, 04:15 PM
Replies: 6
Views: 4,299
Posted By stu rosen
They are the same-to be an impregnator it has to...

They are the same-to be an impregnator it has to penetrate. Their are many different formulations made today that will have different rates of penetration based on the product and the surface your...
Forum: Cleaning, Restoration and Sealing 02-11-2018, 03:59 PM
Replies: 8
Views: 1,637
Posted By stu rosen
First remove the grout and replace with a light...

First remove the grout and replace with a light color. The grout lines look a bit tight. Its recommended they should be no less than a 1/16.
I would use a product like Klenzstone #3 applied with a...
Forum: Cleaning, Restoration and Sealing 02-04-2018, 02:07 PM
Replies: 5
Views: 1,471
Posted By stu rosen
It appears to be a moisture issue around the...

It appears to be a moisture issue around the drain.
I have seen this happen with marble mosaic installs in shower stalls.
There isnt any simple fix here.
Moisture is wicking up into the stone....
Forum: Cleaning, Restoration and Sealing 01-09-2018, 08:16 AM
Replies: 9
Views: 2,012
Posted By stu rosen
I agree with Fred-its the install-can you send...

I agree with Fred-its the install-can you send some pics sounds like an interesting roof. Sealers aren't waterproofing . Their only performance is to temporarily inhibit the intrusion of staining...
Forum: Cleaning, Restoration and Sealing 12-09-2017, 10:24 AM
Replies: 23
Views: 5,495
Posted By stu rosen
Yes-I think just using a high alkaline cleaner...

Yes-I think just using a high alkaline cleaner will degrade your sealer pretty well.
Abrasion using a diamond impregnated pad will also strip off the sealer as long as the pad you use is 220 grit or...
Forum: Cleaning, Restoration and Sealing 12-05-2017, 05:51 PM
Replies: 23
Views: 5,495
Posted By stu rosen
Yes-There is an ongoing debate about sealing...

Yes-There is an ongoing debate about sealing shower stalls. Lets look at the performance of an impregnating sealer. "To temporarily inhibit the intrusion of staining agents from the surface of the...
Forum: Cleaning, Restoration and Sealing 12-05-2017, 06:50 AM
Replies: 23
Views: 5,495
Posted By stu rosen
Using white marbles in wet environments is just...

Using white marbles in wet environments is just an issue that I see many times over. I have worked in 100 year old bathrooms w/ white marble that had not shown any signs of oxidation. I have seen 3...
Forum: Cleaning, Restoration and Sealing 11-07-2017, 07:34 AM
Replies: 5
Views: 2,402
Posted By stu rosen
I agree with Fred-best to hire a pro. Most likely...

I agree with Fred-best to hire a pro. Most likely its a combination of efflorescence,mineral deposits and soap film (soap film occurs if you use bar soap). Also your change of the joints where your...
Forum: Cleaning, Restoration and Sealing 10-25-2017, 06:13 PM
Replies: 11
Views: 1,851
Posted By stu rosen
That's a limestone-like marbles,travertine and...

That's a limestone-like marbles,travertine and onyx it is a calcite based stone and is acid sensitive. It is also soft and if it has a polished finish can be dulled by soft scrub which contains some...
Forum: Cleaning, Restoration and Sealing 10-06-2017, 06:45 AM
Replies: 5
Views: 1,156
Posted By stu rosen
Performance of an impregnating sealer: "To...

Performance of an impregnating sealer:
"To temporarily inhibit the intrusion of staining agents into the surface of the material".
I agree with Brady-just to add if you keep applying the sealer to...
Forum: Cleaning, Restoration and Sealing 10-06-2017, 06:09 AM
Replies: 13
Views: 2,631
Posted By stu rosen
We use acids on slate -we always test first but...

We use acids on slate -we always test first but generally slates are acid resistant.
There is a good assortment of acidic products on the market that work well.
Forum: Cleaning, Restoration and Sealing 10-05-2017, 07:37 AM
Replies: 13
Views: 2,631
Posted By stu rosen
Your slate is most likely very dense(roofing...

Your slate is most likely very dense(roofing quality) and not at all porous. You can easily test it by puddling a palm sized puddle of water on the surface(on a piece that hasn't been sealed). If...
Forum: Cleaning, Restoration and Sealing 09-29-2017, 04:43 PM
Replies: 6
Views: 1,779
Posted By stu rosen
Hey Jen Always hard to diagnose a photo but...

Hey Jen
Always hard to diagnose a photo but yours are pretty good-I cant zoom in on them but the area that looks rusted appears to be fill material. Am not sure where the iron came from but it seems...
Forum: Cleaning, Restoration and Sealing 09-27-2017, 09:53 AM
Replies: 6
Views: 1,779
Posted By stu rosen
Jen-our pleasure, that would be great if you...

Jen-our pleasure, that would be great if you could get a pic on top of the area and from underneath.
Forum: Cleaning, Restoration and Sealing 09-27-2017, 07:12 AM
Replies: 6
Views: 1,779
Posted By stu rosen
Hi Jen, It appears to be an oxidation(rust). I...

Hi Jen,
It appears to be an oxidation(rust). I dont typically see this in travertine.
Some stones can have ferrous minerals in their composition and can oxidize.
In your case it could be that that...
Forum: Cleaning, Restoration and Sealing 08-22-2017, 12:35 PM
Replies: 8
Views: 2,028
Posted By stu rosen
If you are still having issues with the staining...

If you are still having issues with the staining -you can test this.
Try using paper towels stacked about 6 pieces together placed on the stain, then pour on some bleach and use a gloved hand to...
Forum: Cleaning, Restoration and Sealing 04-10-2017, 09:37 AM
Replies: 3
Views: 1,300
Posted By stu rosen
Jen, Most vermont slates are non porous and...

Jen,
Most vermont slates are non porous and really don't need a sealer.
What has probably occurred after 15 years is build up from cleaners and products that contain cleaners,sealers and wax's to...
Forum: Cleaning, Restoration and Sealing 12-22-2016, 08:19 AM
Replies: 5
Views: 1,241
Posted By stu rosen
Ron-send some pics-but like the other gents I...

Ron-send some pics-but like the other gents I suggest you hire a pro-
Forum: Cleaning, Restoration and Sealing 12-14-2016, 08:50 AM
Replies: 18
Views: 3,481
Posted By stu rosen
I agree with Brady-go for the high alkaline...

I agree with Brady-go for the high alkaline cleaner first.
We have helped many clients with berry stains. Bleach used with paper towels seemed to work well.
You just fold up some paper towels to...
Forum: Tile Forum/Advice Board 11-28-2016, 08:01 AM
Replies: 101
Views: 13,362
Posted By stu rosen
Good for you-If you use a good color seal and...

Good for you-If you use a good color seal and maintain it properly you should be fine.
Grout in trafficked area will always require some type of maintenance whether sealed or not.
For your...
Forum: Tile Forum/Advice Board 11-27-2016, 05:04 PM
Replies: 101
Views: 13,362
Posted By stu rosen
I think the color seal looks good-blends nicely. ...

I think the color seal looks good-blends nicely.
Try a few different brands of color seal.
Are you looking for a perfect match-Why?
Sorry -life is just too short!
As far sealers for...
Forum: Cleaning, Restoration and Sealing 11-04-2016, 06:04 PM
Replies: 12
Views: 2,930
Posted By stu rosen
Looks like more mineral deposits than soap film...

Looks like more mineral deposits than soap film but probably a mix.
We generally use a nylo grit brush or silicon carbide brushes at a 180 grit level.
Then move up the grits till you get the color...
Forum: Cleaning, Restoration and Sealing 10-19-2016, 09:16 AM
Replies: 15
Views: 3,630
Posted By stu rosen
Looks to me like a misapplied sealer- Test. ...

Looks to me like a misapplied sealer-
Test.
Take a single edge razor blade-the small straight ones-do not use ones that flare out. Hold it at a 45 degree angle and slide it applying light pressure...
Showing results 1 to 25 of 144

 
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