This is what I used: http://www.dap.com/product_details.aspx?product_id=35
No idea on the vinyl -- whatever they had at the fabric store. - jeremy On Sat, Sep 7, 2013 at 3:42 PM, ken winston caine < ken.winston.ca...@gmail.com> wrote: > Another possibility, Steve: Is it possible that you and Jeremy used > different brands / formulations of contact cement? And / or possibly vastly > different formulations of vinyl? > > I know I often run into problems trying to match plastics with glues. > > > On Sat, Sep 7, 2013 at 2:20 PM, Jeremy Shaw <jer...@n-heptane.com> wrote: > >> Interesting. I did not have any hinge failure. However, closer inspection >> shows that the CC seems to be a bit tacky in places that were not before >> arrival. I am curious about this line: >> >> "with a tacky substance on both surfaces that made me wonder how it could >> have healed at all" >> >> That makes it sound like you attached the two sides while they were still >> too wet. You know that you are supposed to wait 15-30 minutes for each side >> to be dry to the touch and then you join them? >> >> I did not put foil tape over the vinyl.. but only because I ran out of >> time :) I probably will add that before the next use. >> >> For the record, I used 1.5 cans of CC for a 6' stretch hexayurt. I went >> pretty heavy. And I used 6" wide strips of vinyl. >> >> I beveled my edges and there was quite a bit of tension on the vinyl >> while it was set up. For each hinge I only had vinyl on one side (unlike >> the camp danger bifi hinges). >> >> Working with the CC was definitely a pain -- so I would love to find a >> better fixative. Whatever stuff they used on the back of the velcro seemed >> to hold up stellar. The CC required a respirator, an outdoor work space >> away from ignition sources, and made the vinyl warp all funny before it was >> applied. Plus you had to wait a long time for all the curing -- which is a >> problem if you were trying to do all the cementing on a small 4x8 deck like >> I was. >> >> - jeremy >> >> >> >> >> On Thu, Sep 5, 2013 at 1:54 AM, Steve Upstill <upst...@gmail.com> wrote: >> >>> All I can say is that my experience of the vinyl-contact cement was very >>> different. I did all the work up front in the expectation of having a >>> years-long solution, only to have my hinges fail: the vinyl simply pulled >>> loose in the heat of the Playa (some places the vinyl just casually lifted >>> as if there was no adhesive there in at all), with a tacky substance on >>> both surfaces that made me wonder how it could have healed at all. Out >>> there, I patched like mad with bifi, and now I'm looking at doing the whole >>> laborious job over again next year. Crap. >>> >>> So what went wrong? I have three theories: >>> >>> 1) assembly problems, i.e., I put the CC on too thickly, or not thickly >>> enough, or I didn't wait long enough for it to dry, or too long >>> 2) the heat was just too much for it >>> 3) because I laid the vinyl on when the panels were lying on the ground >>> and abutting, actually folding them over the rest of the way put too much >>> tension on the hinge. I did it fairly tight because I wanted some tension >>> in the structure. >>> >>> If anybody has any information that would help me figure out which >>> theory is correct, I'd be enormously grateful. Could others chime in with >>> their experience? If I'm the only one with failed hinges, that pretty much >>> disposes of theory #2. Also, did people tape over the vinyl with aluminum >>> tape? I'm thinking that under theory #2, the shiny stuff would go a long >>> way to keeping the heat down. >>> >>> Thanks, >>> Steve Upstill >>> >>> On Sep 4, 2013, at 7:47 PM, Jeremy Shaw <jer...@n-heptane.com> wrote: >>> >>> I built two 6' folding stretch hexayurts this year. One was a >>> traditional design with camp danger bifi hinges. The other used contact >>> cement, vinyl, and velcro. >>> >>> The contact cement+vinyl+velcro solution definitely required more work >>> up front. But the pay off on the playa was huge! It went up and down so >>> much faster. And, it is already ready to go back up again. There is no >>> per-use consumeables and nothing that has to be cleaned off before the next >>> use. >>> >>> I have a bunch of video and other details on the build process that I >>> hope to upload 'some day' but the short version is, DO IT! >>> >>> - jeremy >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "hexayurt" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to hexayurt+unsubscr...@googlegroups.com. >>> To post to this group, send email to hexayurt@googlegroups.com. >>> Visit this group at http://groups.google.com/group/hexayurt. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "hexayurt" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to hexayurt+unsubscr...@googlegroups.com. >>> To post to this group, send email to hexayurt@googlegroups.com. >>> Visit this group at http://groups.google.com/group/hexayurt. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "hexayurt" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to hexayurt+unsubscr...@googlegroups.com. >> To post to this group, send email to hexayurt@googlegroups.com. >> Visit this group at http://groups.google.com/group/hexayurt. >> For more options, visit https://groups.google.com/groups/opt_out. >> > > -- > You received this message because you are subscribed to the Google Groups > "hexayurt" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to hexayurt+unsubscr...@googlegroups.com. > To post to this group, send email to hexayurt@googlegroups.com. > Visit this group at http://groups.google.com/group/hexayurt. > For more options, visit https://groups.google.com/groups/opt_out. > -- You received this message because you are subscribed to the Google Groups "hexayurt" group. 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