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Old 05-15-2011, 01:12 PM   #46
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Vinyl siding, white spots?


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maybe instead of the siding you can send a few pictures
Pics of what?

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Old 05-15-2011, 05:16 PM   #47
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Vinyl siding, white spots?


Interesting.
What brand of siding is this? Do you know?
I put Cedarway vinyl shake on my house a few years ago and have the same problem.
I rubbed a few of them off.
Haven't tried power washing yet but I think that will work.
Let me know how you make out.
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Old 05-15-2011, 05:47 PM   #48
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Vinyl siding, white spots?


I was commenting on the sheathing nails, not the siding nails along the nail hem of the siding, not in the middle face. May not be the nails, as the spacing doesn’t agree. The studs definitely have something to do with the problem as the spots are directly in line with them and no where else. Perhaps the studs are warmer (because of their mass thickness) and reflect more solar warmth back to the siding in front of them that acts with the water present. Just a guess….


Do you have OSB or plywood sheathing?

Do you have a plastic vapor barrier inside?

Only on the sunny side is a major part of the problem from solar-driven water, though I don’t know the reason for the spots: http://www.greenbuildingadvisor.com/...moisture-walls

Problems from reflections from a window: http://www.wcnc.com/on-tv/Melting-Vi...-83583357.html

http://www.google.com/url?sa=t&sourc...1vk4U3c5XIx76A

I feel the moisture loaded and stored in the wall sheathing (especially OSB with its very slow drying rate) having reached its peak during the winter is now drying to the exterior with the warmer spring months. The moisture, as it moves through the housewrap and onto the vinyl siding, may be affecting all areas except the one directly in front of the studs, though I don’t understand the spots: pages 81 and 82; http://www.forestprod.org/woodprotection06tsongas.pdf

The vinyl siding (certain brands) could have small drainage holes that store water which is temperature driven to the housewrap only on the sunny side which may help contribute to your problem; http://sidingmaster.com/documents/Ne...ngmoisture.pdf

Please let us know the outcome and solution.

TJM, were they over the studs on the sunny side?


Gary
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Old 05-15-2011, 05:50 PM   #49
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Vinyl siding, white spots?


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Interesting.
What brand of siding is this? Do you know?
I put Cedarway vinyl shake on my house a few years ago and have the same problem.
I rubbed a few of them off.
Haven't tried power washing yet but I think that will work.
Let me know how you make out.
Brent wood vinyl siding. I tried to rub it out with my my hand and it comes off somewhat, but still seems faded. I'll be contacting the manufacturer to file a warranty claim. They want proof of purchase though and I am 2nd homeowner. I might need to get that from the builder.
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Old 05-15-2011, 06:18 PM   #50
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Vinyl siding, white spots?


Dino, how can you go from “I tried cleaning it many times” to “I tried to rub it out with my hand and it comes off somewhat“. Which is it? There’s a big difference between a stain and a product failure. Now I’m thinking it could be corrosion from electrolysis on aluminum nails bleeding. Many of your dots look more like streaks.
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Old 05-15-2011, 06:58 PM   #51
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Vinyl siding, white spots?


First order of business, wash the siding with vinyl siding wash. Use a soft brush to loosen dirt. Rinse thoroughly and allow to dry. After taking these steps, depending on the outcome, you might have a legitimate complaint.

Without physically seeing it with my own two eyes, my guess is dirt accumulation, by way of static buildup and possibly thermal bridging.
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Old 05-15-2011, 07:21 PM   #52
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Vinyl siding, white spots?


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Dino, how can you go from “I tried cleaning it many times” to “I tried to rub it out with my hand and it comes off somewhat“. Which is it? There’s a big difference between a stain and a product failure. Now I’m thinking it could be corrosion from electrolysis on aluminum nails bleeding. Many of your dots look more like streaks.
I guess that will be up to the manufacturer to decide before I start washing the siding all around my home. By hand? lol, you know how long that would take. Some of my neighbors never touched their siding and it looks fine. You can obviously see in the pic something is wrong. It's not just a random white spot here or there.
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Old 05-15-2011, 07:45 PM   #53
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Vinyl siding, white spots?


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I guess that will be up to the manufacturer to decide before I start washing the siding all around my home. By hand? lol, you know how long that would take. Some of my neighbors never touched their siding and it looks fine. You can obviously see in the pic something is wrong. It's not just a random white spot here or there.
You mean you'd forgo washing a small area to see if it's an easy fix and instead take the time to submit a claim that is undoubtedly pro-rated after X amount of years?

How long would it take to pick a small section of wall, mix up some laundry detergent in water and slather it on with a brush, then rinse? Less time than you've invested in this discussion, no doubt.

There's dozens of reasons why the neighbors house might not share the same issues. Siding brand, color, exposure, years in service, change in manufacturers formula, fasteners used, installation,....
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Old 05-15-2011, 07:53 PM   #54
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Vinyl siding, white spots?


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You mean you'd forgo washing a small area to see if it's an easy fix and instead take the time to submit a claim that is undoubtedly pro-rated after X amount of years?

How long would it take to pick a small section of wall, mix up some laundry detergent in water and slather it on with a brush, then rinse? Less time than you've invested in this discussion, no doubt.

There's dozens of reasons why the neighbors house might not share the same issues. Siding brand, color, exposure, years in service, change in manufacturers formula, fasteners used, installation,....
As Ive stated I have tried many times and the white spots keep coming back. our 300 home subdivision was built at the same time in the lats 90's by the way. Builder used same manufacturer.
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Old 05-15-2011, 08:38 PM   #55
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Vinyl siding, white spots?


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Pics of what?
....wow
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Old 05-15-2011, 08:40 PM   #56
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Vinyl siding, white spots?


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....wow
Lol
I posted my pics already.
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Old 05-15-2011, 08:47 PM   #57
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Vinyl siding, white spots?


i know send them to mastic e mail or call the toll free number

http://www.mastic.com/contact_us/contact_us.aspx
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Old 05-15-2011, 08:48 PM   #58
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Vinyl siding, white spots?


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i know send them to mastic e mail or call the toll free number

http://www.mastic.com/contact_us/contact_us.aspx
Already did...
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Old 05-15-2011, 08:52 PM   #59
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Vinyl siding, white spots?


you better make sure you come back and tell us what they say
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Old 05-15-2011, 09:05 PM   #60
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Vinyl siding, white spots?


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you better make sure you come back and tell us what they say
mock all u want my friend.....u must enjoy that.

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