Oh by the way, it pays to make the door as light as you can, so use light fittings and styrofoam for the core of the door to keep its weight down. I cored mine with styrofoam and covered with 1/4" light ply, using nylon bolts.
On Tue, Jul 5, 2016 at 11:27 AM, Zyg <saltw...@gmail.com> wrote: > I don't have photos this moment, but I built a large, spring hinged door > on my standard hexayurt that worked very well. > > The best way seems to be cored construction. That is to say, core the door > itself (sandwich ply around the RMAX cutout) and core the jamb and frame. > > The big problem to look out for in heavier construction is SAG. The > hinges, if not very strong, will sag and make the whiole thing more > difficult to close and handle. > > OR the frame will sage since it is attached to foam, which sags a bit > under load. > > So, you really want the door hinge side of the frame to be very well > attached to the foam, if it swings out and to the left, thnen you want the > top left corner to be very well attached and secured to tyhe foam, > sandwiched on both sides by ply and bolted through PVC liners. > > So what worked very well for me was to > > > - reinforce the edges of the entire door with two layers of biaxial > tape, overlapping at least 1" all around on layer one, then 1.5+ on layer > 2. Bottom jamb was completely covered with tape and tape extended 1 foot to > each side. > - Left jamb, where the hinges were going to be, was covered in two > layers to 3" in on both sides, so all holes would be going through tape > reinforced points. After this, we are only talking about the LEFT JAMB > SIDE. > - Left Jamb Side: > - cut 1" PVC pipe into 1.75" segments ( I was using 2" foam), then > - fill PVC pipe segments with "Great Stuff", and > - trim excess when cured. > - Drill out the center of these to the bolt diameter you are using. > I used 1/4" > - Carefully cut 1" holes into the hexayurt where bolts will go > through. I used 6. > - glue the PVC into place so that it is 1/8" shy of both sides > - sink your bolts through both sides with large washers and secure > tightly. > - Biaxial tape the plywood jamb to the hexayurt panel while closed > and in proper orientation. Use 6" tape. Do this on clean panels and wood > only. > > Plywood warps, so if you want to protect it from that, you need to seal it > up with something..I would use 20 minute epoxy mixed with bit of sawdust > on the edges to seal the end grain and some sort of cheap polyurethane > varnish to seal the top grain. Or just latex paint. Just make sure it is > very well sealed with come sort of impermeable coating. > > Also make sure your 1" holes through the wall are at least 2" from the > jamb. That is to say, the center of those holes should be at least 2.5" > from the jamb. You want to leave at least as much material there as the > thickness of the panel to prevent tear out. > > On Mon, Jul 4, 2016 at 9:16 AM, hal muskat <phoe...@rainbowpuddle.com> > wrote: > >> Hi, trying to figure out a better way to reinforce doors. Currently, we >> use 3/8" ply, framed and hinged. The Rmax is now velcroed to the ply. Works >> good but there are issues as the bottom portion of the ply cracks. I am >> looking for a solution to doors that provide support, is hinged and can be >> easily adhered to Rmax. >> >> Wondering about design of a metallic frame in and out, that could be >> bolted together, sandwiching the ply and Rmax and providing for support. >> >> In the photo below, we left approx 7” on the bottom (& is bolted, not >> velcro). Newer doors are at least 12” inch on the bottom but still split. >> >> >> Thanks for any suggestions and feedback, Peace, Hal >> >> >> -- >> 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 https://groups.google.com/group/hexayurt. >> For more options, visit https://groups.google.com/d/optout. >> > > -- 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 https://groups.google.com/group/hexayurt. For more options, visit https://groups.google.com/d/optout.
