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Building Tips and technical articles. => Building techniques => Topic started by: Rob Killick on September 13, 2008, 12:37:11 PM

Title: High density foam ?
Post by: Rob Killick on September 13, 2008, 12:37:11 PM

Hi ,

I was wondering what the proper name for the white , high density foam for wing cutting is called ?
I just want to make sure that I have the right stuff when I order from the local building supply store .

Thanks ,

Rob Killick

Title: Re: High density foam ?
Post by: Greg L Bahrman on September 13, 2008, 01:41:36 PM

1 pound virgin foam

Title: Re: High density foam ?
Post by: Rob Killick on September 13, 2008, 02:15:39 PM

 Hi ,

Thanks Greg

Rob K.

Title: Re: High density foam ?
Post by: PatRobinson on September 13, 2008, 04:54:00 PM

Hi guys,

Greg is correct but if you want a more finicky answer: white foam is 1 pound density expanded bead polystyrene.
Greg's "virgin" reference means the foam has been made from new polystyrene beads some insulating foam is made from recycled material which has hard place that can flaw a hotwire wing cut.

                                                                                                       Pat Robinson

Title: Re: High density foam ?
Post by: Rob Killick on September 13, 2008, 07:03:58 PM

Hi Pat ,

Thanks for the info .
Good stuff to know .

Rob Killick

Title: Re: High density foam ?
Post by: phil c on September 15, 2008, 02:14:29 PM

Ask the supplier for EFS grade 1 pound density foam.  This is the stuff specifically made for the "External Finishing System" used on many high-end houses that have a stucco finish.  The stuff has to meet very stringent requirements for being clean, evenly expanded, with all the beads stuck together, and minimal holes and gaps.