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Old 01-07-2009, 10:57 AM   #1
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re: glue together 1" sheets of extruded insulation


does anyone know what is the most appropriate glue for gluing together two sheets of extruded polystyrene insulation?
-thanks

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Old 01-07-2009, 10:58 AM   #2
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re: glue together 1" sheets of extruded insulation


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Originally Posted by gramps416 View Post
does anyone know what is the most appropriate glue for gluing together two sheets of extruded polystyrene insulation?
-thanks
LePage PL300

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Old 01-07-2009, 01:06 PM   #3
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re: glue together 1" sheets of extruded insulation


I have used the spray foam in the past.
Worked great for me.
I have actually seen GC use it to glue 2"-4" blue foam to the ceiling of a house and then run 6" screws through it later.
I have actually witnessed them walk on the foam with no screws & only the foam used as the adhesive. Scared me, but they did it.

N
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Old 01-07-2009, 01:15 PM   #4
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re: glue together 1" sheets of extruded insulation


Sure you could use spray foam, but PL300 is under $3 a tube and spray foam is considerably more expensive. There are other adhesives on the market that are suitable for foam, just check their labelling.
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Old 01-07-2009, 01:56 PM   #5
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re: glue together 1" sheets of extruded insulation


Great info!

Sounds like it is much cheaper.
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Old 01-07-2009, 03:17 PM   #6
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re: glue together 1" sheets of extruded insulation


Spray adhesive: http://solutions.3m.com/wps/portal/3...beSC2785KN7Pgl

Others: http://solutions.3m.com/wps/portal/3...beSC2785KN7Pgl
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Old 01-07-2009, 06:08 PM   #7
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re: glue together 1" sheets of extruded insulation


I just got some PL300 from the HD.
On the tube, the product stated that it is specifically made for gluing the ridgid insulation together. $3.50 CAD for a small tube

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