Window sealant - SailNet Community

   Search Sailnet:

 forums  store  


Quick Menu
Forums           
Articles          
Galleries        
Boat Reviews  
Classifieds     
Search SailNet 
Boat Search (new)

Shop the
SailNet Store
Anchor Locker
Boatbuilding & Repair
Charts
Clothing
Electrical
Electronics
Engine
Hatches and Portlights
Interior And Galley
Maintenance
Marine Electronics
Navigation
Other Items
Plumbing and Pumps
Rigging
Safety
Sailing Hardware
Trailer & Watersports
Clearance Items

Advertise Here






Go Back   SailNet Community > On Board > Gear & Maintenance
 Not a Member? 
  #1  
Old 09-28-2008
Sea Slacker
 
Join Date: Jan 2007
Posts: 1,789
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 8
brak is on a distinguished road
Window sealant

I am sure this was discussed before, but I can't find the topic

It is time to rebed a couple of windows (can't call them portholes by design) - they are basically clear plastic (looks like acrylic to me) attached to the topsides with sealant and screws (not thru-bolts as I discovered to great relief today, otherwise I'd have to take apart the entire cabin to replace one window - what a disaster that would be ).

Currently, courtesy of PO, they are installed with silicon and then sealed with some sort of polyurethane around the edge (yikes, that will be fun to remove, on the upside this does hold up pretty well).

What I am looking for is a single adhesive/sealant that works well for windows, providing both reasonable adhesion strength and sufficient flexibility to allow for heat expansion etc. Also, something that is easy to work with/clean up.
Reply With Quote Quick reply to this message Share with Facebook
  #2  
Old 09-28-2008
jjablonowski's Avatar
Senior Member
 
Join Date: Aug 2007
Location: Bristol, Rhode Island
Posts: 381
Thanks: 1
Thanked 1 Time in 1 Post
Rep Power: 8
jjablonowski is on a distinguished road
I can't find the reference in the archive, but I seem to remember somebody recommended butyl strips used for automotive windshield installation/caulking.
Reply With Quote Quick reply to this message Share with Facebook
  #3  
Old 09-28-2008
Sea Slacker
 
Join Date: Jan 2007
Posts: 1,789
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 8
brak is on a distinguished road
I have butyl strips and used them elsewhere with success, but I don't think it will work well for windows. The strip is too thick and sealant has to also act as adhesive which butyl isn't great for.
Reply With Quote Quick reply to this message Share with Facebook
  #4  
Old 09-28-2008
sailingdog's Avatar
Telstar 28
 
Join Date: Mar 2006
Location: New England
Posts: 43,290
Thanks: 0
Thanked 11 Times in 11 Posts
Rep Power: 13
sailingdog is just really nice sailingdog is just really nice sailingdog is just really nice sailingdog is just really nice sailingdog is just really nice
Butyl rubber tape is what is used for automotive windshields, and works perfectly fine for sealing deadlights (non-opening ports). I generally don't recommend using silicone anywhere on a boat, except for possibly covering the tips of cotter pins.

One thing about the ports themselves... the holes should be drilled oversized, so that the ports can expand and contract and the holes should be counter sunk on each side to help prevent stress cracks from forming at the fastener holes.
__________________
Sailingdog

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

Telstar 28
New England

You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.

—Cpt. Mal Reynolds, Serenity (edited)

If you're new to the Sailnet Forums... please read this
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
.

Still—DON'T READ THAT POST AGAIN.
Reply With Quote Quick reply to this message Share with Facebook
  #5  
Old 09-28-2008
Sea Slacker
 
Join Date: Jan 2007
Posts: 1,789
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 8
brak is on a distinguished road
Well, definitely no silicone but I would much rather use sealant than butyl.
Reply With Quote Quick reply to this message Share with Facebook
  #6  
Old 09-28-2008
Senior Member
 
Join Date: Feb 2007
Location: michigan
Posts: 289
Thanks: 3
Thanked 2 Times in 2 Posts
Rep Power: 8
cruisingdream is on a distinguished road
All newer cars(since the 80's) use polyurathane for the windshields.
On a boat I would make sure you can access the sealing joint with a razor blade before using polyurathane so it could be removed in the future if necessary.
Reply With Quote Quick reply to this message Share with Facebook
  #7  
Old 09-28-2008
sailingdog's Avatar
Telstar 28
 
Join Date: Mar 2006
Location: New England
Posts: 43,290
Thanks: 0
Thanked 11 Times in 11 Posts
Rep Power: 13
sailingdog is just really nice sailingdog is just really nice sailingdog is just really nice sailingdog is just really nice sailingdog is just really nice
Adhesive qualities don't need to be as strong for deadlights, as the forces on them are generally from the outside in... and butyl tape is much easier to clean up and remove. It also stays far more flexible than polyurethane adhesives.
__________________
Sailingdog

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

Telstar 28
New England

You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.

—Cpt. Mal Reynolds, Serenity (edited)

If you're new to the Sailnet Forums... please read this
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
.

Still—DON'T READ THAT POST AGAIN.
Reply With Quote Quick reply to this message Share with Facebook
  #8  
Old 09-29-2008
Sea Slacker
 
Join Date: Jan 2007
Posts: 1,789
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 8
brak is on a distinguished road
the thing is - currently the window is flush with the cabin side. there is no bezel or anything covering the edge. butyl tape is just too thick - it will be very visible. I'll look at it but I'd like some sort of sealant alternative.

I can always go with my new favorite (Sika 521) but something that was tried and proven to work would be nice (and I am sure it is not 5200 ).
Reply With Quote Quick reply to this message Share with Facebook
  #9  
Old 09-29-2008
Senior Member
 
Join Date: Jan 2008
Posts: 149
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 7
ahab211 is on a distinguished road
3M Ultra Glaze sealed my windows nicely on my C @ C 24. I had tried 5200 with little luck and had to reseal the windows. They are nice and dry and have been so since spring. Good luck
Reply With Quote Quick reply to this message Share with Facebook
  #10  
Old 09-29-2008
sailingdog's Avatar
Telstar 28
 
Join Date: Mar 2006
Location: New England
Posts: 43,290
Thanks: 0
Thanked 11 Times in 11 Posts
Rep Power: 13
sailingdog is just really nice sailingdog is just really nice sailingdog is just really nice sailingdog is just really nice sailingdog is just really nice
They make butyl tape in different thicknesses you know.
__________________
Sailingdog

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

Telstar 28
New England

You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.

—Cpt. Mal Reynolds, Serenity (edited)

If you're new to the Sailnet Forums... please read this
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
.

Still—DON'T READ THAT POST AGAIN.
Reply With Quote Quick reply to this message Share with Facebook
Reply

Quick Reply
Message:
Options

By choosing to post the reply above you agree to the rules you agreed to when joining Sailnet.
Click Here to view those rules.

Register Now

In order to be able to post messages on the SailNet Community forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
Please note: After entering 3 characters a list of Usernames already in use will appear and the list will disappear once a valid Username is entered.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

 
Posting Rules
You may post new threads
You may post replies
You may post attachments
You may edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Window gasket sealant.. groundhog Gear & Maintenance 39 07-11-2014 04:27 PM
Surface-mounted ports GoodOldBoat Good Old Boat 15 01-14-2010 07:13 AM
Window replacement C27/C30 models c2cSailor Catalina 0 05-03-2007 09:39 AM
jib view window ddilman Gear & Maintenance 2 07-25-2005 11:02 AM
Choosing and Using Sealants Don Casey Her Sailnet Articles 0 01-22-2003 08:00 PM


All times are GMT -4. The time now is 04:49 AM.

Add to My Yahoo!         
Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
SEO by vBSEO 3.6.1
(c) Marine.com LLC 2000-2012

The SailNet.com store is owned and operated by a company independent of the SailNet.com forum. You are now leaving the SailNet forum. Click OK to continue or Cancel to return to the SailNet forum.