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 01-18-2013, 14:32 #1 Rgray107918 New Member   Join Date: Sep 2012 Location: Maryland Hammock: Wal-Mart Equip Tarp: GG Emergncy Sheltr Insulation: DIY PLUQ/Foam/Net Suspension: Amsteel/Tech Line Posts: 24 Dropcloth for insulation? Just got myself a PL to make a PLUQ. Found this stuff in Home Depot, wondered if anyone had ever used/heard of using it for insulation? It's really light and thin; not very lofty, but does seem to retain heat (I wrapped it around myself on the couch and got very warm very quick). It says its made of paper and polyethylene. It doesn't feel like paper but what do I know. I guess because it's an absorbent dropcloth, it could pose condensation issues. I was hoping it could be a poor-man's IX alternative. What do you guys think? 2-layer drop cloth
 01-18-2013, 14:56 #2 bruinfan Senior Member   Join Date: Apr 2012 Location: CA Hammock: DIY hammy Tarp: prezidential suite Insulation: cropdust myself Suspension: straps n buckles Posts: 430 Great idea. Hope some one will chime in and let everyone know if this works
 01-18-2013, 16:49 #3 Rgray107918 New Member   Join Date: Sep 2012 Location: Maryland Hammock: Wal-Mart Equip Tarp: GG Emergncy Sheltr Insulation: DIY PLUQ/Foam/Net Suspension: Amsteel/Tech Line Posts: 24 OK, someone check my specs and math here... According to this post insult is 1/32 in. thick polyethylene. 1/32 in. converted to decimal form is 0.03125 according to Home Depot, the drop cloth is a 1/2 mil layer of polyethylene. 1/2 mil converted to inches is 0.0005 So, 0.03125 ÷ 0.0005 = 62.5 if I did all that correctly, and I have my specs right, I'd need 62.5 dropcloths to equal one sheet of insult??? guess it's NOT a poor man's alternative after all...
 01-18-2013, 18:55 #4 JDShearer Senior Member     Join Date: Dec 2009 Location: Syracuse, NY View my gallery 6 Posts: 103 Images: 6 Yes, the PE layer is listed at 1/2 mil, but the specs actually have the total thickness at about 1/2". The real question is what the fabric layer is made of if it's going to contribute insulation value. I don't think you can really compare to IX, since the PE is a sheet and not foam. It's more like using a vapor barrier plastic sheet with a piece of fabric. I suppose it's still possible by layering it you could get some pretty good insulation, but if the total weight of each sheet is .6lb, that would add up fast. It's 4x10, so you could get two layers out of each sheet.
 01-19-2013, 11:32 #5 JohnSawyer Senior Member     Join Date: Sep 2009 Location: San Diego, CA Hammock: WB RidgeRunner Tarp: 8x10 DIY (speer) Insulation: KAQ Lost River Suspension: Straps View my gallery 108 Posts: 4,783 Images: 108 What JD Said... Insultex is a PE foam sheet that's been quilted (Stitched) to a polyester scrim (to add strength) It's not a vapor barrier, per se, but it's breathability is very limited. This stuff will likely leave you sweaty in anything but the driest conditions. . . That said, it would make a great windblock if used below a UQ or something, just make sure it's loose enough to breathe. . . John __________________ "Do or do not, there is no try." -- Yoda
 01-19-2013, 23:46 #6 Rgray107918 New Member   Join Date: Sep 2012 Location: Maryland Hammock: Wal-Mart Equip Tarp: GG Emergncy Sheltr Insulation: DIY PLUQ/Foam/Net Suspension: Amsteel/Tech Line Posts: 24 I may have posted too quickly. I think this is a dead end. Sorry. This stuff is nowhere near 1/2 in. in thickness. I dont have a scale so no actual weight data. I did get warm when wrapped in it, but I was fully clothed, in my house, on my couch, with my daughter laughing at me. I really really wanted it to work. Like any good inquisitor, in order to better understand something I destroyed it. Upon closer inspection, this stuff is more like Saran wrap with lint glued to it. I tore 1/2 in. square piece off the edge and it stretched, and stretched, and stretched. Very very thin. Once tore apart, I'm willing to believe ths stuff is some kind of paper dust stuck to a micro film of pe. Oh well. I really wanted it to be a great find. I'll try to post a pic or video of my observation and destruction.

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