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Rehau Pex Speed Mat? How sticky is the adhesive?

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bnjmn
bnjmn Member Posts: 53
in Radiant Heating
Have a thin slab over pour I need to do on a pan deck thin slab. Slab was finished with a somewhat rough finish thinking we were going to attach tubing using fasteners. Now looking at the Speed Pex, that may be the way to go. But wanted to see if there was any input from anyone who has used it, just how sticky is the adhesive on the speed mat?

Thanks

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  • bnjmn
    bnjmn Member Posts: 53
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    I’m going to answer my own question. The speed mat adhesive was very sticky and adhered well to even the “rat slab” finish on the pan deck.

    The pex lays down best when using a counter flow layout.

    Saved lots of time and hundreds of concrete fasteners.
  • GroundUp
    GroundUp Member Posts: 1,907
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    That's cool, thanks for sharing. Looks like the loop ends didn't want to stay down though huh?
  • bnjmn
    bnjmn Member Posts: 53
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    Because we didn’t use a counterflow layout the Velcro didn’t like the 8” centers. Photo was before we added fasteners to our floaters.

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