Re: Stus-List Sealing deck gear

2015-04-21 Thread Dennis C. via CnC-List
When considering which sealant(s) to use, this might be helpful:

http://cncphotoalbum.com/technical/sealant_usage.htm

Dennis C.



On Tue, Apr 21, 2015 at 7:32 PM, Charles Nelson via CnC-List 
cnc-list@cnc-list.com wrote:

 I have used both polysulfide sealer and butyl tape to keep water out of
 the cabin from gear mounted on the cabin or deck. I prefer butyl tape
 because it is less messy and easy to remove.

 My question is why not use something like flexible rubber, plastic or cork
 sheets to provide a flexible, waterproof seal?

 Since these are not used, there must be some problem with them like heat,
 sun exposure, etc., but with today's modern materials, it seems that butyl
 tape or a goo like something out of a tube is so last century.

 OTOH, maybe last century is as good as it gets with this technology.

 Thoughts from the group?

 Charlie Nelson
 CC 36 XL/kcb
 Water Phantom





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Re: Stus-List Sealing deck gear

2015-04-21 Thread Peter Fell via CnC-List
Contemplating the use of flexible rubber in one situation - the acrylic top 
panel on the companionway hatch of my CC 27 is attached to the top of the 
teak side and end rails with screws. No sealer I can see and the screws are 
working loose so the whole thing is getting sloppy and leaks when the dodger 
is not in place. I was thinking of pulling if off, filling the screw holes 
with epoxy and re-drilling them and then using rubber between the teak and 
the acrylic ... maybe with some butyl added to the screws with a countersink 
under the rubber. Figured it might be aesthetically more pleasing than a 
bunch of goo of some type. I  was thinking bicycle inner tube.


But then again, Sikaflex 295UV, with the teak and acrylic properly primed 
and masking in place during application would work as well I  think and add 
some structural 'rigidity' to the assembly, probably eliminating future 
issues coming up again with the screws.


-Original Message- 
From: Charles Nelson via CnC-List

Sent: Tuesday, April 21, 2015 5:32 PM
To: cnc-list@cnc-list.com
Subject: Stus-List Sealing deck gear

I have used both polysulfide sealer and butyl tape to keep water out of the 
cabin from gear mounted on the cabin or deck. I prefer butyl tape because it 
is less messy and easy to remove.


My question is why not use something like flexible rubber, plastic or cork 
sheets to provide a flexible, waterproof seal?


Since these are not used, there must be some problem with them like heat, 
sun exposure, etc., but with today's modern materials, it seems that butyl 
tape or a goo like something out of a tube is so last century.


OTOH, maybe last century is as good as it gets with this technology.

Thoughts from the group?

Charlie Nelson
CC 36 XL/kcb
Water Phantom





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