On Fri, 18 Aug 2017 15:19:18 -0700 (PDT), Michael
wrote:
On Friday, August 18, 2017 at 4:28:09 PM UTC-5, wrote:
On Fri, 18 Aug 2017 12:41:52 -0700 (PDT), "
wrote:
On Friday, August 18, 2017 at 1:31:06 PM UTC-5, Michael wrote:
I just checked the seal between polycarbonate and wood on a frame, and the GE Silicone II I put on there is peeling off and not keeping out water. Anyone else have this problem with this product? Is there something else you recommend?
Thanks,
Mike
A good answer will require good information. Is the wood painted/primed? Is it siding, OSB, plywood, framing material, etc.?
Is it continuously wet? Is this an interior or exterior application? Is it both?
Did you get your surfaces prepped perfectly clean before sealing?
"My caulk isn't sticking" is too vague.
Robert
and where is it not sticking, the wood or the polycarbonate??
Silicone doesn't stick to policarbonate very well.Particularly if it
is not PERFECTLY clean.
It bubbled off the polycarbonate. I guess that's the part I'm not understanding. Isn't silicone supposed to stick well to polycarbonate? They were clean. I'd just pulled the plastic off when I installed last fall.
Thanks.
Q. What type of sealant should be used on sheets?
A. Only use a “100% silicone” sealant on polycarbonate sheets. Silicone sealants do not degrade in sunlight. They resist mold and mildew and remain flexible, allowing for building movement. Do not use roofing caulk. Consequences of using incompatible sealant are inadequate adhesion, too rigid of a bond, and/or the product contains chemicals that may discolor or damage the polycarbonate sheet. Check the product information on the sealant label BEFORE using to ensure compatibility.
http://www.ameriluxinternational.com/faq.php
A friend had a cold windy ride home from somewhere between Thunder
Bay and Kitchener Ontario when the replacement window he installed on
his Pelican aircraft blew out on route because he cheaped out and
siliconed a piece of polycarbonate in place instead of using the
recommended urethane adhesive.