07-10-2005, 10:38 AM
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Handyman
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Join Date: May 2005
Location: San Diego, CA, USA.
Posts: 136
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It could be that they put down 15 pound felt paper over an asphalt adhesive. Most of this can be removed with a sharp 4" or 6" wall scraper. Be prepared for frequent blade changes; get a good set of knee pads : it is a tedious job. This can also be removed with mineral spirits: DANGEROUS: flammable; turn off all pilots and have all the doors and window open. Jasco also makes adhesive removers. Not as flammable, but you need an organic vapor respirator; send the wife and kids shopping for the day while you do this.
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