You can get drill guide attachments that hold the drill perpendicular to the roof surface. I've never used one on a roof, but it could be helpful...
http://www.sears.com/craftsman-drill-guide/p-00967173000P?prdNo=1&blockNo=1&blockType=G1 *Jason Szumlanski** * *Fafco Solar* On Tue, Dec 11, 2012 at 9:00 PM, Jesse Dahl <dahlso...@gmail.com> wrote: > Hello, > > The roof I'm currently working on is not a typical roof. The construction > is as follows: > > 2"x6" tongue and groove exposed inside, with 4 inches of foam (blue board) > and on top of that 3/4" plywood with asphalt shingles on top of that. > > I'd like to make a template to ensure that my pilot bit doesn't wander > when I'm going through the blue board. If I miss the beams inside, the > hole or the lag would be exposed. > > Anybody run across this? Ideas? I thought of maybe using a qucikmount > flashing, with a short section of EMT attached to help guide the bit.... > > Thanks! > > Jesse >
_______________________________________________ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Options & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org
