TYVEK Vs Felt Paper--which Is Better???

 
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Old 02-27-2012, 02:47 PM   #101
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Re: TYVEK Vs Felt Paper--which Is Better???


from what?
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Old 03-21-2012, 12:51 AM   #102
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Re: TYVEK Vs Felt Paper--which Is Better???


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Originally Posted by alecifel View Post
I suppose in New Jersey and other nothern climates where the sun is a stranger, you can get away with it. If you try to side a house with vinyl over asphalt in the southwest, you're going to have a wrinkled mess although it usually doesn't come up until the warranty period's over.
Vinyl doesn't work in the high desert of Oregon although it doesn't have anything to do the the tar paper that might be beneath it.

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Old 03-21-2012, 01:56 AM   #103
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Re: TYVEK Vs Felt Paper--which Is Better???


Okay, the eternal argument lives on.

Just use both.

Problem solved
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Old 03-21-2012, 11:30 AM   #104
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Re: TYVEK Vs Felt Paper--which Is Better???


i have always been a 30# felt guy.i would not ever use tyvek here on the oregon coast.i tore apart a six year old siding job that you could put your hand thru the wall.sheeting,tyvek and lots of the framing were shot.it was behind cedar 105 pattern channel siding that was primed on the back.not just blaming the wrap and it may work with a rain screen but when you have wind driven rain of up to 100 mph water is going to get back there especially with channel siding that laps 5/8 of an inch.i have now started using hydrotex because of the rain screen code here.i think 30# still passes drain test here but the code seems iffy on it.so to me it depends on the climate and type of siding.tyvek may work great in some applications but i wouldnt use it where i live.im even having a hard time switching from felt to hydrotex.
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Old 03-21-2012, 06:27 PM   #105
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Re: TYVEK Vs Felt Paper--which Is Better???


one day they will tell you what you can use and if it can't be taped as an airbarrier i bet you will not be able to use it
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Old 04-15-2012, 03:19 AM   #106
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Re: TYVEK Vs Felt Paper--which Is Better???


most repairs I've done the ty-vek almost always has mold and mildew behind it,(I know bad installation) felt paper works better, I've just seen a new spray on product looked impressive
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Old 04-15-2012, 08:50 AM   #107
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Re: TYVEK Vs Felt Paper--which Is Better???


and you don't think there is mold on the felt?
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Old 08-11-2012, 10:33 PM   #108
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Re: TYVEK Vs Felt Paper--which Is Better???


Anyone use zipwall, i think its air and weather resistent. I used it up in the catskills in the dead of winter knowing the siding wouldnt go up untill spring.Up on top of this mountain it is extreamly windy ,didnt have to worry about it blowing off,as you would with tyvek or felt. Sealing the joints with zipwall tape is a bit pricey and needs to be put on with a heat gun if its very cold, which it was.The owner took to the idea and loved the results.
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Old 08-16-2012, 06:36 AM   #109
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Re: TYVEK Vs Felt Paper--which Is Better???


Quote:
Originally Posted by Eaglei
Anyone use zipwall, i think its air and weather resistent. I used it up in the catskills in the dead of winter knowing the siding wouldnt go up untill spring.Up on top of this mountain it is extreamly windy ,didnt have to worry about it blowing off,as you would with tyvek or felt. Sealing the joints with zipwall tape is a bit pricey and needs to be put on with a heat gun if its very cold, which it was.The owner took to the idea and loved the results.
I've used it and like it. Doesn't seem to swell around windows and door cut-outs like standard OSB does either.
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Old 11-03-2013, 03:52 AM   #110
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Re: TYVEK Vs Felt Paper--which Is Better???


Its been over a year but this is a fantastic thread, thanks everyone involved. Going into a job with full replacement windows and clapboard here in CT on one entire wall. No house wrap at all on this 1983 home- actually roofing felt was installed in strips only behind the window trim and at corner boards, so far as I have seen. A tricky question is posed by the full plastic/ poly sheeting used as a vapor barrier on the interior of the home, over the framing and batt insulation which in some places has kraft paper facing and in other places does not. The house has many issues and was built poorly, the worst construction I have ever seen. Anyone have any ideas about*felt paper vs. Tyvek or other house wrap, given the full plastic interior vapor barrier? Here in the Northeast we're supposed to allow moisture to dry to the inside, but how can it? It'd get stuck in the walls or wait to evaporate to the exterior. PS I like to stick with felt paper too but knowing the real science of why is important. Also I've generally seen felt paper in great condition doing renovations, even on old houses, occasionally decrepit where water damage was occurring.
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Old 11-03-2013, 05:35 AM   #111
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Re: TYVEK Vs Felt Paper--which Is Better???


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Originally Posted by zmusashi View Post
Its been over a year but this is a fantastic thread, thanks everyone involved. Going into a job with full replacement windows and clapboard here in CT on one entire wall. No house wrap at all on this 1983 home- actually roofing felt was installed in strips only behind the window trim and at corner boards, so far as I have seen. A tricky question is posed by the full plastic/ poly sheeting used as a vapor barrier on the interior of the home, over the framing and batt insulation which in some places has kraft paper facing and in other places does not. The house has many issues and was built poorly, the worst construction I have ever seen. Anyone have any ideas about*felt paper vs. Tyvek or other house wrap, given the full plastic interior vapor barrier? Here in the Northeast we're supposed to allow moisture to dry to the inside, but how can it? It'd get stuck in the walls or wait to evaporate to the exterior. PS I like to stick with felt paper too but knowing the real science of why is important. Also I've generally seen felt paper in great condition doing renovations, even on old houses, occasionally decrepit where water damage was occurring.
I've only seen a few homes done with poly on the inside and they all had issues. I think the problem lies with the change of seasons we are subject to here.

We can dip well into the single digits in the winter and have had days over 100 in the summer. We also experience a wide range of relative humidity here.

We are currently working on a building that is about 8 years old. The buyer wanted about 50 squares of wire and stucco removed to make way for fiber cement siding.

There were strips of Tyvek around the windows, but the building was papered with 1 layer of #30 felt. The house sits on a pond, just inland of one of the Jersey Shore barrier islands.

There were 3 locations of plywood damage, all under windows and all where there was a reverse lap at the felt/Tyvek under the windows. It was very minor, but there was plywood rot.

I personally believe that if any of the synthetic wraps that depend on water vaporizing before it can pass through it were used, the damage would've been much worse.
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TYVEK vs Felt paper--which is better???-img_20130903_122402_442.jpg   TYVEK vs Felt paper--which is better???-img_20130903_122500_006.jpg  
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Old 11-03-2013, 06:56 AM   #112
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Re: TYVEK Vs Felt Paper--which Is Better???


felt paper
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Old 11-03-2013, 08:29 AM   #113
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Re: TYVEK Vs Felt Paper--which Is Better???


check out Hydrogap http://www.benjaminobdyke.com/visito...t/key/hydrogap

where I think the market is headed is to a fully adhered or fluid applied systems,at least as far as new construction is concerned

http://henry.com/airandvapor/vaporpermeable/blueskinvp
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Old 11-03-2013, 11:08 AM   #114
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Re: TYVEK Vs Felt Paper--which Is Better???


Thanks Tom and others,
I am looking at these links now, appreciate it.
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Old 11-04-2013, 05:17 PM   #115
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Re: TYVEK Vs Felt Paper--which Is Better???


Tom have you use this hydro gap stuff? What is its air sealing abilities ?
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Old 11-04-2013, 06:29 PM   #116
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Re: TYVEK Vs Felt Paper--which Is Better???


Hey everyone thanks...this is a good educational thread...

Shoot, I had no idea there was any performance characteristics between Tyvek and Typar etc. ... and I assumed they were both superior to felt......


(I thoght the only advantage to felt was that I couldn't put it on upside down )

Best
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Old 11-04-2013, 07:29 PM   #117
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Re: TYVEK Vs Felt Paper--which Is Better???


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Tom have you use this hydro gap stuff? What is its air sealing abilities ?
comparable to other drainwraps,air sealing a building does not begin or end at the wrap,it's just part of an overall air sealing strategy that has to start from the bottom plate to the top plate.

I am on the Benjamin Obdyke innovation council to help develop their wrb/flashing products,they have been working on a pre taped version that takes the tape out of the drainage plane
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Old 11-04-2013, 07:40 PM   #118
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Re: TYVEK Vs Felt Paper--which Is Better???


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Hey everyone thanks...this is a good educational thread...

Shoot, I had no idea there was any performance characteristics between Tyvek and Typar etc. ... and I assumed they were both superior to felt......


(I thoght the only advantage to felt was that I couldn't put it on upside down )

Best
Felt is the ONLY wrap that I'm aware of that is capable of "variable permeability". In other words, as the moisture level rises, it becomes more permeable, allowing for faster, more efficient drying.
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Old 11-04-2013, 07:46 PM   #119
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Re: TYVEK Vs Felt Paper--which Is Better???


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comparable to other drainwraps,air sealing a building does not begin or end at the wrap,it's just part of an overall air sealing strategy that has to start from the bottom plate to the top plate.

I am on the Benjamin Obdyke innovation council to help develop their wrb/flashing products,they have been working on a pre taped version that takes the tape out of the drainage plane
You mean pre-taped on the wrap...... interesting but seems not to practical.... but maybe there is more to it....

has there been any empirical evidence of external tape (tape not in the drainage plane) failing....???
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Old 11-04-2013, 07:58 PM   #120
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Re: TYVEK Vs Felt Paper--which Is Better???


How does it compare with tyvex protecting from air infiltration ?

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