Do you feel that using spray adhesive will affect broadband absorber performance?

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rarnold123

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Long time reader..first time post. Building broadband absorbers and wondered if using spay adhesive on the back to attach the cloth would change the absorbsion properties?
 
(A) Doubtful.

(B) I don't know of a spray adhesive that's actually going to stick cloth to rigid fiberglass. Maybe hot glue or something... And even that's a big "maybe" --
 
Massive Master said:
(A) Doubtful.

(B) I don't know of a spray adhesive that's actually going to stick cloth to rigid fiberglass. Maybe hot glue or something... And even that's a big "maybe" --
Click to expand...

He said "spay adhesive" - maybe that's the stuff they use instead of stitches to seal up dogs after surgery? ;)

I would think adhesive is not a good choice - it would make the cloth/fiberglass surface solid, you want a porous surface.
 
I built a wooden frame for mine and used a staple gun to attach the fabric to the wood. It looks decent and it's cheap. Spray adhesive might be even cheaper but I can't imagine it would look as good or hold up as well.
 
On my first build, I used 'spay' lol adhesive when using drywall corner bead frames. I found the construction technique of using a 1X2" frame, made more sense. I few pounds heavier, but way more stable. Plus no need for the spray stuff. Of course, the build involved a pneumatic nailer, and glue. And a Bandaid, as I shot one through my finger at one point...
 
Not until that happened. No Prince Albert thankfully!
 
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