Maravia Delamination?? - Mountain Buzz
 



Reply
 
Thread Tools Display Modes
 
Old 07-07-2013   #1
 
washington DC, Washington, D.C.
Paddling Since: 06
Join Date: May 2008
Posts: 10
Maravia Delamination??

I have a 14ft Maravia that I believe is from 1998 that I bought used from an outfitter. After I took off the river yesterday, I flipped the boat over to take a look at the floor and bottom of the tubes. Although everything looked fine, I pushed down on the tube at the front corner of the boat. It felt like there was space between the rubber and some inner layer of about a quarter inch. It feels like there was an inner layer that had separated from the outer rubber but only in an area about twice the size of my open hand.

Does anyone have any experience withe this? Is this a major problem that will lead to boat failure?

Thanks!

gstone is offline   Reply With Quote
Sponsored Links
Advertisement
 
Old 07-10-2013   #2
 
Wavester's Avatar
 
NorCal, California
Paddling Since: 91
Join Date: Jul 2010
Posts: 362
Yes they had a problem with this in the 90's, I thought a little earlier then the late 90's. Once this starts it goes fairly quiclkly, sorry to be the bearer of bad news and hope I'm wrong. The company almost went out of business, they were based out of CA at the time, to this day they dont sell many boat in CA or OR. They also used to glue their seems and these sometimes blew out catastrophically


Quote:
Originally Posted by gstone View Post
I have a 14ft Maravia that I believe is from 1998 that I bought used from an outfitter. After I took off the river yesterday, I flipped the boat over to take a look at the floor and bottom of the tubes. Although everything looked fine, I pushed down on the tube at the front corner of the boat. It felt like there was space between the rubber and some inner layer of about a quarter inch. It feels like there was an inner layer that had separated from the outer rubber but only in an area about twice the size of my open hand.

Does anyone have any experience withe this? Is this a major problem that will lead to boat failure?

Thanks!
Wavester is offline   Reply With Quote
Old 07-10-2013   #3
 
NE, Oregon
Join Date: Jul 2013
Posts: 189
I'm unfamiliar with delamination issues after they switched over to thermo welding in 1987.

Could the ureathane coating have "blistered" away from the base fabric? Haven't seen this on a Maravia but other boats I have

If your boat is of the vintage you think it is, it will have a serial number stamped on the inside of the stern, the last two digits indicating year of manufacture

Quote:
to this day they dont sell many boat in CA or OR.
My personal obervations suggest otherwise, Maravias are very well represented on the rivers I float in Oregon. Can't speak for CA rivers, haven't bagged one of those yet
Willie 1.5 is online now   Reply With Quote
Sponsored Links
Advertisement
 
Old 07-10-2013   #4
 
Medford, Oregon
Paddling Since: 1984
Join Date: Jun 2012
Posts: 235
I had a SOTAR that delaminated it formed a good size bubble. I took it to SOTAR and they said the boat was finished. They gave me a really good deal on a new one so I was very satisfied with the outcome. The company that made the fabric is not the one they use now and the delam days are over. It also nearly destroyed SOTAR so both companies have had issues. I live in Oregon I bought SOTAR because they are local if I was in Boise I would likely buy Maravia, or Aire they are good companies.
rivers2run is offline   Reply With Quote
Old 07-11-2013   #5
Sponsoring Vendors
 
theBoatPeople's Avatar
 
Danville, California
Paddling Since: 1970
Join Date: Jun 2012
Posts: 256
Willie is correct - this is a blistering of the urethane away from the base pvc material, and it probably happened for one of two reasons: the outfitter set it down on some very hot blacktop, or the boat was drying off upside down and that area became very hot from the sun. Which is how a rental customer bubbled one of our rental Maravia's on one occasion.
It is a different than when the old Sotars delaminated, which is a rather hopeless situation indeed. With your Maravia, 98% of the air retention is via the base pvc material, not the urethane outer coating. Talk with Maravia or Zack at Raftfix, but I am pretty sure you can very carefully trim away the blister (maybe with some fingernail scissors?), wash the area with MEK - if you can still find any - and apply some new liquid urethane.
My only concern would be that in washing the area after the blister is removed, the MEK could get under the edge of where you trimmed and create a ring-shaped area that also delam's. In any case, the boat is not a loss so don't despair too much,
theBoatPeople is offline   Reply With Quote
Old 11-19-2013   #6
 
washington DC, Washington, D.C.
Paddling Since: 06
Join Date: May 2008
Posts: 10
No delamination

So, I took my boat to Inflatable Technologies and they told me that I was just feeling the baffle inside the boat. IT told me that the baffles in Maravias are very loose and that if there is a pressure differential, one will feel the baffle bulging into the portion of the tube with less pressure. I think he is right.

Thanks for all of the posts.
gstone is offline   Reply With Quote
Reply


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Topic Thread Starter Forum Replies Last Post
Cat Tube Delamination - Are They Toast?? Spanky Kayaking | Gear Talk 16 08-28-2012 09:48 AM
Patching a Maravia whee Kayaking | Gear Talk 12 07-02-2012 11:43 AM
Used Maravia Willawaw 2 jwithers Kayaking | Gear Talk 4 04-03-2012 11:33 AM
Maravia Spider? grantc80 Whitewater Kayaking 9 11-10-2010 06:21 PM
Sotar vs. Maravia eadunn Kayaking | Gear Talk 56 09-21-2010 04:44 AM

» Classified Ads
Powered by vBadvanced CMPS v3.2.3

All times are GMT -6. The time now is 08:24 AM.


Powered by vBulletin® Version 3.8.8
Copyright ©2000 - 2020, vBulletin Solutions, Inc.
vBulletin Security provided by vBSecurity v2.2.2 (Pro) - vBulletin Mods & Addons Copyright © 2020 DragonByte Technologies Ltd.