Canvas snaps coming off

J

Jcat2010

Well-known member
Joined
Sep 4, 2022
Messages
185
Fluid Motion Model
R-27 (Outboard)
Vessel Name
Barchetta
After 3-4 years in hot summers, the adhesive on the plastic canvas snaps (snads) can fail. Usually leaving the adhesive disk on the glass. Sometimes you can just press them back in place after cleaning up the plastic with isopropyl alcohol. Otherwise, I keep a roll of the 3m vhb adhesive tape handy. Scrape off old disk, clean and and glass with ISO, put tape on sand, trim, peel, stick, press for a few minutes, and leave for a few hours (ideally 24). The adhesive bonds best if it's not stressed or loaded for several hours.
 
We have a 2023 R27, and have experienced this with the black snaps, which are called SNADS. We buy replacements from Sailrite (Sailrite.com). Wonderful to deal with, BTW. Reasonably priced bags of 5.
 
We have a 2023 R27, and have experienced this with the black snaps, which are called SNADS. We buy replacements from Sailrite (Sailrite.com). Wonderful to deal with, BTW. Reasonably priced bags of 5.
 
SNADs are consumables. I keep a supply of both the black and white bases to replace as needed.
 
wgkiger said:
Having SNAD ISSUES on my 2025 R-43 Phifertex window panels are falling off. Boat is only in the Water since MAY-25 ??
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Reasons for SNAD failures: too much heat, too much moisture, pulling on them too hard, pulling on them from just the wrong angle, looking at them funny. This is what it says on the Sailrite website:

Please Note: SNADs are intended to be consumable items. Their adhesive may fail after a prolonged period of normal use. Additionally, they are not meant for load-bearing applications or for areas with high shear pressure; expect higher failure rates for SNADs used under improper conditions. SNADs are not covered by a warranty and will need to be repurchased to replace those that fail due to improper use or normal wear and tear.

Expect to replace them from time to time. At least they aren't expensive, compared to other boat replaceables.
 
JMarshallR25 said:
Reasons for SNAD failures: too much heat, too much moisture, pulling on them too hard, pulling on them from just the wrong angle, looking at them funny. This is what it says on the Sailrite website:

Please Note: SNADs are intended to be consumable items. Their adhesive may fail after a prolonged period of normal use. Additionally, they are not meant for load-bearing applications or for areas with high shear pressure; expect higher failure rates for SNADs used under improper conditions. SNADs are not covered by a warranty and will need to be repurchased to replace those that fail due to improper use or normal wear and tear.

Expect to replace them from time to time. At least they aren't expensive, compared to other boat replaceables.
Click to expand...
I have a 2025 R-43 CB Commissioned May 7, 2025 replaced 5 on back cabin windows that are under cover in less than 3 months???
 
I have a 2018 C24 and it is in the sun in Florida and Maryland all year. I have had only one snap pull the glass the entire time. In my opinion the reason I have not had failures is the way I pull them off. I push in the middle of the snap and peel them off. Always putting pressure on the snap. I Never just pull on the canvas to unsnap. Maybe I’m wrong but that’s how I do it and it definitely has worked for me.
Ken Keir
 
wgkiger said:
I have a 2025 R-43 CB Commissioned May 7, 2025 replaced 5 on back cabin windows that are under cover in less than 3 months???
Click to expand...
They were probably installed poorly. Make sure the surface underneath is perfectly clean - use alcohol wipes or similar - before installing the new ones.
 
I recommend purchasing a snap release tool that helps undo the snaps from SNADS and other snap bases without undo pressure. I got ours at Sailrite.
 
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