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Marc (Marc)
Junior Member
Username: Marc

Post Number: 16
Registered: 10-2008
Posted on Monday, August 10, 2009 - 03:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

Gentlemen,
A roofing contractor I just spoke with speaks highly of an underlayment called Slopeshield, which is manufactured by Vaproshield. Their address is: www.vaproshield.com. It is a permeable membrane. Does anyone know about this product and would it be worthwhile?? Would it fall in the synthetic area of underlayment??? Please give me your thoughts, and check out the site, since it does not make much sense to my limited building abilities
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Slate_man (Slate_man)
Senior Member
Username: Slate_man

Post Number: 456
Registered: 01-2007
Posted on Saturday, August 08, 2009 - 07:34 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

If you can vent the under side of the board it will make for a better roof system. Is it attic, can you install gable vents.
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Old_school (Old_school)
Senior Member
Username: Old_school

Post Number: 206
Registered: 01-2009
Posted on Friday, August 07, 2009 - 09:32 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

The problem with that is that the slate will stick to the Ice and Water and you will never be able to repair it. If you have ever tried it, it is the job from hell! There is really no need for the Ice and Water, but if you want to use it I would suggest that you install one of the new synthetic underlayments over the top of it to seperate it from the slate. At least it won't stick together. On the other hand, you will have spent about $1.00 a square foot for something that wasn't needed. your call!
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Pw1 (Pw1)
New member
Username: Pw1

Post Number: 1
Registered: 08-2009
Posted on Friday, August 07, 2009 - 02:49 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

A slate roof should last at least 100 years if installed properly. If an ice and water underlayemt barrier is installed first over 5/4" roof boards and the attic has good ventilation should there be any concern of the roof boards rotting over the life of the roof?

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