Re: [RE-wrenches] METAL ROOF ATTACHMENT

Do you know the wind loading vs pull-out resistance of the threads? This is why I am happy to have the services of a structural engineer, as required by our County for all roof-mounts for the last 4 years or so. At first it was an annoyance to have the extra time and expense of a PE analysis for

Re: [RE-wrenches] METAL ROOF ATTACHMENT

Generally, in order to develope the full tensil strength of the bolt, it should be engaged by a minimum of 5 threads. Mark Frye Berkeley Solar Electric Systems 303 Redbud Way Nevada City, CA 95959 (530) 401-8024 www.berkeleysolar.com _ From: re

Re: [RE-wrenches] Metal Roof Attachment

-wrenches] Metal Roof Attachment HI Jason, I would use the direct power and water version. I've used both and I don't like the Snapnrack. While its tall enough its not long enough for my taste. Like a foot thats too short, its hard to anchor without tiping. Also I would advise some sort o

Re: [RE-wrenches] Metal Roof Attachment

HI Jason, I would use the direct power and water version. I've used both and I don't like the Snapnrack. While its tall enough its not long enough for my taste. Like a foot thats too short, its hard to anchor without tiping. Also I would advise some sort of caulk or soft sealing spacer betwee