I am still having a problem with self=cleaning glass. Do you have any suggestions for not leaving white spots and white runs everywhere? We used WFP with fresh DI tank, and rinsed and rinsed. The windows looked worse than when we started. It is a brand new building. The construction cleanup was done just before we did the grand opening cleanup.
Go over with your porcupine sleeve & GG4 first, then wfp off whilst the windows are still wet.
May I interject the idea of having a fabricating debris waiver signed? If the construction clean up was not cleaned 100%, you could dislodge some debris while aggressively (altho not excessively) cleaning the glass. Using a pole increases these chances, since you’re not able to see details as if you were nose to glass.
Just an idea to consider.
Thanks! We made it throught the initial and got paid, so I think we will be ok. There were some scratches from the construction cleanup crew, but not us, as far as we can tell.
Thanks! I will try it. I am guessing that we will need to poles going, especially since some of the work is about 75ft up in the air.
Technical Information
ATS-169
2008/05/12
PILKINGTON Activ™ Self-Cleaning Glass
GLAZING GUIDELINES
Pilkington Activ™ Self-Cleaning Glass has a thin, clear, permanent, pyrolytic Titanium Oxide coating on one of its surfaces. The coating has a hydrophilic property with makes raindrops spread out, or sheet, across the surface to wash away dirt particles. It also acts as a catalyst, when activated by daylight, to break down organic dirt into water vapor and CO2 gas.
Pilkington Activ glass needs to be glazed with the coating on the #1 (outboard) surface. It should be located where it will can receive daylight because the coating utilizes the sun’s ultra violet light, either direct or diffuse indirect, to activate its self-cleaning action and destroy organic material on its surface. There is sufficient indirect UV light to activate the coating, even on a north elevation (in the northern hemisphere), underneath overhanging roof eaves and behind an insect screen.
When glazed beside a light of clear, non-coated glass the Activ Glass will appear slightly brighter.
RECOMMENDED GLAZING GUIDELINES
Wet glazing tapes, such as “preshim” with a neoprene rod core enclosed in a high viscosity butyl, are designed to remain pliable and flexible over their design lifetime. These tapes may contain a significant percentage of oil that can migrate onto the glass surface. This oil can sometimes be seen on the coated surface and can be difficult to remove without damaging the coating.
Silicone sealants can also exude silicone oil or plasticisers while they cure, and long afterwards. These very thin layers of silicone oil are very difficult to remove from glass or coatings. They are usually only visible when the glass is wet, and even then they are only noticeable by the different water droplet formation when compared to clean glass, but they do cover the coating and effectively inhibit the self-cleaning action.
ATS-169
2008/05/12
Page 2
Neoprene gaskets are often coated with extrusion oil or a lubrication liquid to assist installation. This will usually be removed during the first glass cleaning, provided the lubricating liquid does not contain Silicone.
It is for these reasons that the following glazing materials are deemed compatible with Pilkington Activ Glass.
-
Use a clean, oil-free, dry gasket system against the Pilkington Activ surfaceOr
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Use silicone oil free, one or two component, curing, glazing sealants such as polysulfides and urethanes,
Or
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SMX 505 by Soudal Inc. Contact: Mr Glen Kallgren, National Sales Manager. 682 553 1173. [email][email protected][/email] 8888 Governors Row, Dallas, Texas 75247
Or
-
Manusbond 35MP by Manus Products,
866 Industrial Blvd.
, West Waconia, MN 55387 . Contact: Mr. Brian Henjum, Dir. Sales, Tel 952 442 3323 [email protected]
Or
-
Sonolastic 150 by Sonnerborn. Supplied by Chemrex, MN . 800 433 9517 (Avoid direct UV exposure)
Follow the manufacturers’ recommendations and insure that the sealants have adequate UV and weathering stability.
Identifying the Activ Coated Surface
The coated glass surface should be identified by the location of a lable on the non-coated glass side. A special hand-held detector is available from EDTM, Toledo, Ohio , tel. 419 861 1030, EDTM - Your Source for Window & Glass Testing Meters and Detectors to positively identify the coated surface.
The fine scale roughness of the coating can be detected by added friction when it is rubbed with finger tips or finger nails.
Note: the coating emittance is the same as non-coated glass and so standard Low-E detectors cannot be used to identify the coated surface.
ATS-169
2008/05/12
Page 3
Maintenance and Cleaning Activ Glass
See ATS Bulletin #166 for details. It is on the web at:
http://www.pilkington.com/the+americas/usa/english/building+products/ats+bulletins/default1.htm
The information contained in this bulletin is offered for assistance in the application of Pilkington North America Inc. flat glass products, but IT DOES NOT CONSTITUTE A WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. Actual performance may vary in particular applications.
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Stay in the middle of the glass and away from the sides with the brush because if you touch the brush to the rubber seals they will bleed down.
pressure washing with hot water might help to get this stuff off.
You could try bon Ami but you will being doing the whole twice.
