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08-20-2018, 02:46 PM
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#1
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1979 31' Sovereign
Hammond
, Wisconsin
Join Date: Aug 2017
Posts: 24
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Installing Maxxfan's in a '79 Question
We just purchased two Maxxfan deluxe's for our 1979 31' Sovereign. My question is did you install it with butyl tape and sealant or just sealant. I know I will have to square off the corners of the original opening. I just was wondering what you guys have used and that it worked. The debate on this forum on sealant is making me start to twitch. I just want to use what works well and holds up the longest.
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08-20-2018, 07:45 PM
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#2
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4 Rivet Member
1976 31' Sovereign
2000 33' Land Yacht
Ball Ground
, Georgia
Join Date: Aug 2010
Posts: 311
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Sealant
I installed two Maxxair delux in a 1969 Sovereign this weekend and three in my other 1976 several months ago. Both I used Butal tape. The last one I also ran a bead of sealer around the inside so when placed it , the sealant made a nice bead. The other I ran a bead once installed. I think applying sealant before installing made a better looking job. Spend the time so you don’t have a leak so you can forget about it.
__________________
A husband is the biggest baby you will have and take the most adult supervision.
Gene and Elaine Thomason
Ball Ground Ga.
1976 31 foot Sovereign
2011 GMC 2500HD Denali
6.6 Duramax Diesel
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08-20-2018, 08:09 PM
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#3
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1979 31' Sovereign
Hammond
, Wisconsin
Join Date: Aug 2017
Posts: 24
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GAT thanks for the response. What sealant did you use?
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08-20-2018, 08:15 PM
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#4
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Rivet Master
2014 25' Flying Cloud
Cuddebackville
, New York
Join Date: May 2007
Posts: 4,333
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I’ve installed them in my ‘07 and my ‘14. Butyl tape and self leveling sealant.
__________________
2014 25' Flying Cloud Rear Twin
2019 Ford Expedition Platinum
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08-20-2018, 08:16 PM
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#5
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Rivet Master
2014 25' Flying Cloud
Cuddebackville
, New York
Join Date: May 2007
Posts: 4,333
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I used Dicor because I could get it readily. It’s holding up just fine.
__________________
2014 25' Flying Cloud Rear Twin
2019 Ford Expedition Platinum
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08-20-2018, 08:31 PM
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#6
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1979 31' Sovereign
Hammond
, Wisconsin
Join Date: Aug 2017
Posts: 24
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Thanks for the response guys! I will be installing them this weekend.
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08-20-2018, 09:54 PM
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#7
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Rivet Master
1975 Argosy 28
Springville
, Alabama
Join Date: Apr 2010
Posts: 836
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I used sikaflex 721 above and below the flange. No issues
__________________
Matt
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08-21-2018, 11:43 AM
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#8
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New Member
1979 31' Sovereign
Sevierville
, Tennessee
Join Date: Jan 2018
Posts: 1
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Thinking about doing the same thing in the same year/model. Thanks
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08-21-2018, 07:35 PM
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#9
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Rivet Master
1974 27' Overlander
Baltimore
, Maryland
Join Date: Mar 2016
Posts: 1,042
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I like butyl tape under the lip because it's removable. Urethane sealant is a heck of a strong glue, and semi-permanently gluing the frame to your roof is going to be a maintenance nightmare when you need to remove it to fix something down the road. Best to do butyl tape under the lip and urethane sealant of your choice around the edge to seal (sikaflex, dicor, whatever).
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08-21-2018, 07:39 PM
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#10
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Rivet Master
1975 Argosy 28
Springville
, Alabama
Join Date: Apr 2010
Posts: 836
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Quote:
Originally Posted by TheGreatleys
I like butyl tape under the lip because it's removable. Urethane sealant is a heck of a strong glue, and semi-permanently gluing the frame to your roof is going to be a maintenance nightmare when you need to remove it to fix something down the road. Best to do butyl tape under the lip and urethane sealant of your choice around the edge to seal (sikaflex, dicor, whatever).
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I totally agree with this. Wish I had done mine this way. I got in the zone of only polyurethane caulk is all you need.
__________________
Matt
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09-05-2018, 07:16 PM
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#11
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1979 31' Sovereign
Hammond
, Wisconsin
Join Date: Aug 2017
Posts: 24
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Olympic Rivet or screws provided?
If the weather holds out on Friday I will be installing both MaxxFans. What did you use to fasten them down? Olympic Rivets or the screws provided?
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09-08-2018, 07:48 AM
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#12
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Rivet Master
1974 27' Overlander
Baltimore
, Maryland
Join Date: Mar 2016
Posts: 1,042
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Quote:
Originally Posted by rmojo
If the weather holds out on Friday I will be installing both MaxxFans. What did you use to fasten them down? Olympic Rivets or the screws provided?
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We used stainless screws. Butyl tape under the lip of the frame, urethane sealant on the screw threads before screwing in, then urethane sealant around the perimeter and over top of each screw.
https://thegreatleys.com/journal/201...-roof-supports
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09-10-2018, 03:45 PM
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#13
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1979 31' Sovereign
Hammond
, Wisconsin
Join Date: Aug 2017
Posts: 24
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Thanks that is what I was planning. Glad to hear that I was heading in the right direction.
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