Hi all,
Could anybody please tell me the estimated water absorption coefficient of fiber glass?
I think I have already searched through the internet but nothing popped out.
Or any other resources which I can get the liquid transport properties of fiber glass from?
Cheers
Water absorption coefficient of fiber glass
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- WUFI SupportTeam IBP
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Re: Water absorption coefficient of fiber glass
Dear Wei Li,
i would assume that fiber glass materials have no significant water absorption and hardly any liquid transport. I think liquid water absorption only takes place in imperfections.
What kind of fiberglass building material are you looking at?
Christian
i would assume that fiber glass materials have no significant water absorption and hardly any liquid transport. I think liquid water absorption only takes place in imperfections.
What kind of fiberglass building material are you looking at?
Christian
Re: Water absorption coefficient of fiber glass
Hi Christian,
Thanks for the reply.
I have the same thought with you. I am considering a 140 mm fiber glass insulation in roof.
Normally, there are facers on both sides of the fiber glass insulation, right?
Thanks for the reply.
I have the same thought with you. I am considering a 140 mm fiber glass insulation in roof.
Normally, there are facers on both sides of the fiber glass insulation, right?
-
- WUFI SupportTeam IBP
- Posts: 1157
- Joined: Tue Jul 04, 2006 10:08 pm -1100
- Location: IBP Holzkirchen, the home of WUFI
- Contact:
Re: Water absorption coefficient of fiber glass
Hi Wei Li,
I thought you are talking about something like epoxy-glass resin.
Fiber glass insulation is hydrophobic, so there is no water absorption. Liquid water will run through / off. There are a couple of fiber glass insulation materials in the database, search for "mineral wool".
Some of them have facers, but they are not included in the material dataset. If there is a membrane, you have to insert that as extra layer in the calculation.
Christian
I thought you are talking about something like epoxy-glass resin.
Fiber glass insulation is hydrophobic, so there is no water absorption. Liquid water will run through / off. There are a couple of fiber glass insulation materials in the database, search for "mineral wool".
Some of them have facers, but they are not included in the material dataset. If there is a membrane, you have to insert that as extra layer in the calculation.
Christian
Re: Water absorption coefficient of fiber glass
It is really helpful. Thanks a lot, Christian.