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Icynene and foam trick

clammy
clammy Member Posts: 3,163
Only one as smart and cleaver as you hot rod would have thought of that and quite out of the box i must add .Great ideas that most would have just throwen out .peace clammy

R.A. Calmbacher L.L.C. HVAC
NJ Master HVAC Lic.
Mahwah, NJ
Specializing in steam and hydronic heating

Comments

  • hr
    hr Member Posts: 6,106
    After trimming the excess

    foam from the stud and rafter bays I ended up with a huge pile of "overburden" About four 55 gallon drums worth of chunks.

    A trainee had sprayed this last section of my shop and had some large globs the I had to trim before we sheetrock (glad it was a flat rate price!)

    So I stuffed a barrel full and stuck my weed wacker (string trimmer) into the barrel. Within seconds it reduced the large chunks into tiny sized (rice like) pieces!

    I threw some chunks of pink and blue underslab foamboard in also.

    Now instead of putting the waste into the landfill I will use it,as a loose fill, to pour into attic areas or stud bays after the rock is in place. Maybe I can use my shop vac to blow it into place?

    The four barrels reduced down to 6 medium sized plastic garbage bags.

    hot rod

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  • Weezbo
    Weezbo Member Posts: 6,232
    That Is A Great Idea!

    normally i use the leftover pieces of foam board for things like underground latterals on the water supplys to our indoor meters..now your weed wacker idea coupled with the scraps of foam...used as loose fill in the "lid" ...Good inventing. recycled, purposeful and economical *~/:)
  • Jim Bennett
    Jim Bennett Member Posts: 607
    Very ingenious!

    Thanks for sharing the idea! I’m definitely going to bookmark that one.

    Jim

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  • Ken_8
    Ken_8 Member Posts: 1,640
  • Carl PE
    Carl PE Member Posts: 203
    Very Sneaky

    Cool. Maybe you should make a deal with the insulator to save all his trimmings for you.. You guys can sell it by the bag.

    I use scraps of the 2" blue board to make insulated pipe hangers. Use a 7/8" and a 3" hole saw to make styrofoam donuts, then put a regular 2" pipe clamp around the whole thing. Works great, and it's a lot cheaper than the armaflex hangers.
  • super size

    It slices, it dices, it makes flakes out of board....

    the new super size queez-n-art.

    HR - you da man!!!!

  • JohnWood1
    JohnWood1 Member Posts: 63
    Mix it with a binder?

    HR;

    Toss the "rice" in a cement mixer with just a wee bit of cement and water. Will bind the insulation to a permanant form that could be placed without blowing about.
  • joel_19
    joel_19 Member Posts: 931
    cool

    But was that use of a weedwacker OSHA approved ? Did you have the optional foam processing gard system in place ?
  • Dale
    Dale Member Posts: 1,317
    Caution

    I don't know of the fire rating for shredded foam but I would guess the shedded blue or pink board is not rated for pour in insulation. HR, since you are willing to experiment how about getting a pile of the stuff, foam, board and mixed outside and lighting it off? As to blowing with the shop vac, the static elect potential will be tremendous coming out of a plastic hose. I just spent a few day doing fire training so maybe I'm a bit too cautious.
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