garn insulation

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    Garn insulation

    We are in the process of installating a junior garn. Looking to see what folks have used for the ridge insulation board under the unit. The installation guide says to use 1 1/2 inch foil faced polysocyanurate foam (Thermax or equivalent) rated to 25 psi, 2 lbs density. We are having difficulty...
  2. S

    mineral (rock) wool batts

    I'm having trouble finding this in long lengths...16' minimum...to go over a GARN 2000. Here in the PNW, all I can find is 4' lengths at the big box stores. Any leads? brands to source? Scotty
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