Ted Martin
Senior Member
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- Jan 17, 2002
- Professional Status
- Certified General Appraiser
- State
- Kansas
It's legal as long as it's installed over drywall, same a paneling. Although the off gases are probably a question mark.
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Particle board interior finish
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Riick
Elite Member
- Joined
- Aug 14, 2007
- Professional Status
- Certified Residential Appraiser
- State
- Delaware
Cigar --
--------- Thank You !
Great post, and good information on building wraps.
I never thought about breathability, and thought that Tyvek was superior to the old "tar paper".
Shows you what accepting advertising without a critical review will do for you.
--------- Thank You !
Great post, and good information on building wraps.
I never thought about breathability, and thought that Tyvek was superior to the old "tar paper".
Shows you what accepting advertising without a critical review will do for you.
Cigar
Member
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- Aug 9, 2007
- Professional Status
- General Public
- State
- California
Riick:
JFYI, when DuPont originally attempted to secure approval for Tyvek they couldn't pass the water-hold-out "boat test", so they got it approved as an "air-barrier", even though the code doesn't require an air-barrier. They then proceeded to advertise it as a product which did everything and, unbelievably, many AHJ's accepted it as the code mandated weatherproof barrier (the code specifically called out asphalt saturated rag felt or approved kraft paper, in the lathing section it calls out two layers of Grade D paper behind stucco, but the AHJ can accept an approved alternative, an alternative which DuPont didn't achieve). DuPont eventually got a new test approved, called the hydrostatic pressure test which Tyvek (and other plastic wraps) could pass, so they are now an approved alternative to the code mandated products.
In our area, not even the cheapest of tract builders use plastic wraps because the potential for leakage is so great, I sometimes see it in architect specified commercial projects, and I see it all the time on ignorant DIY projects. Another problem with them is that surfactants eat right through them, the tannins in redwood and cedar, as well as the limes in stucco and fibercement products. I know of one McMansion builder who uses both Tyvek and asphalt saturated felt to obtain both an air barrier and a waterproof barrier, while this may be a good idea I've called Tyvek and they say they have never tested the products for compatibility. That being said, I like Tyvek's Flexwrap for flashing round windows and use it in conjunction with asphalt and kraft based products, I also use it to wrap around plumbing penetrations in shower walls, since the stupid shower valve manufacturers don't build flanges into their valves for sealing. In homes I've built 30 to 40 years ago my biggest failing has been dry rot behind shower walls from water penetrating my waterproof barriers at the plumbing penetrations.
JFYI, when DuPont originally attempted to secure approval for Tyvek they couldn't pass the water-hold-out "boat test", so they got it approved as an "air-barrier", even though the code doesn't require an air-barrier. They then proceeded to advertise it as a product which did everything and, unbelievably, many AHJ's accepted it as the code mandated weatherproof barrier (the code specifically called out asphalt saturated rag felt or approved kraft paper, in the lathing section it calls out two layers of Grade D paper behind stucco, but the AHJ can accept an approved alternative, an alternative which DuPont didn't achieve). DuPont eventually got a new test approved, called the hydrostatic pressure test which Tyvek (and other plastic wraps) could pass, so they are now an approved alternative to the code mandated products.
In our area, not even the cheapest of tract builders use plastic wraps because the potential for leakage is so great, I sometimes see it in architect specified commercial projects, and I see it all the time on ignorant DIY projects. Another problem with them is that surfactants eat right through them, the tannins in redwood and cedar, as well as the limes in stucco and fibercement products. I know of one McMansion builder who uses both Tyvek and asphalt saturated felt to obtain both an air barrier and a waterproof barrier, while this may be a good idea I've called Tyvek and they say they have never tested the products for compatibility. That being said, I like Tyvek's Flexwrap for flashing round windows and use it in conjunction with asphalt and kraft based products, I also use it to wrap around plumbing penetrations in shower walls, since the stupid shower valve manufacturers don't build flanges into their valves for sealing. In homes I've built 30 to 40 years ago my biggest failing has been dry rot behind shower walls from water penetrating my waterproof barriers at the plumbing penetrations.
mattz
Freshman Member
- Joined
- Dec 20, 2007
- Professional Status
- Certified Residential Appraiser
- State
- Pennsylvania
you should see my shore house
all trimmed in furring strips and t1-11
im not joking... 2 models were produced the 'rustic' (mine) and the contemporary (in dry wall) it was a $5K premium for dry wall.
all trimmed in furring strips and t1-11
im not joking... 2 models were produced the 'rustic' (mine) and the contemporary (in dry wall) it was a $5K premium for dry wall.
Caterina Platt
Senior Member
- Joined
- Jan 17, 2002
- Professional Status
- Certified Residential Appraiser
- State
- New Mexico
Just goes to show you, taste is certainly a subjective thing. Guess it was cheaper than paneling??? Ghastly for an entire house IMHO.
Do you guys watch Trading Spaces very often? A couple weeks ago, there was an episode where one of the more demanding and eclectic duziiiiners (hear my yacht club twang there?) decided it was a grand idea to take a gazillion cardboard tubes and cut them in half and line the interior walls with them. They then covered it with tissue paper ala paper mache method. Hideous!! They were going for a bamboo wall look.
I personally love the up north cabin look, but this one don't get it for me.
I like your technical approach. The formadehyde health issue is far easier to justify for any negative or adverse affects.
Do you guys watch Trading Spaces very often? A couple weeks ago, there was an episode where one of the more demanding and eclectic duziiiiners (hear my yacht club twang there?) decided it was a grand idea to take a gazillion cardboard tubes and cut them in half and line the interior walls with them. They then covered it with tissue paper ala paper mache method. Hideous!! They were going for a bamboo wall look.
I personally love the up north cabin look, but this one don't get it for me.
I like your technical approach. The formadehyde health issue is far easier to justify for any negative or adverse affects.
jay trotta
Elite Member
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- Feb 8, 2004
- Professional Status
- Certified Residential Appraiser
- State
- Connecticut
Cigar - pretty much nailed it all the way, some dangerous stuff there, health wise
Cigar
Member
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- Aug 9, 2007
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- General Public
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- California
CWD:
No I didn't, thanks for qualifying that, I see it now in the light it was meant, I hear those very arguments all the time in court and out, and I guess you stuck a needle in where it hurt, got me riled up, and I went on the attack.
BTW, statistically 9 out of 10 new building products fail and are withdrawn from the market within 10 years, in the cases of plastic wraps and OSB I think the products will eventually be improved to the point that they are viable building products, but they aren't there yet. I heard an OSB manufacturer testify in a legislative hearing that if they removed the formaldehyde form their products it would increase the cost by an average of $5 a sheet, removing their competitive position in the market.
No I didn't, thanks for qualifying that, I see it now in the light it was meant, I hear those very arguments all the time in court and out, and I guess you stuck a needle in where it hurt, got me riled up, and I went on the attack.
BTW, statistically 9 out of 10 new building products fail and are withdrawn from the market within 10 years, in the cases of plastic wraps and OSB I think the products will eventually be improved to the point that they are viable building products, but they aren't there yet. I heard an OSB manufacturer testify in a legislative hearing that if they removed the formaldehyde form their products it would increase the cost by an average of $5 a sheet, removing their competitive position in the market.
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