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You missed the the most important part which is how does the grab assembly attach to the bracket when you’ve already drilled it into the roof???
shouldn't the brackets be in line with the roofing screws that screw into the purlins? What is he screwing into?
You missed the the most important part which is how does the grab assembly attach to the bracket when you’ve already drilled it into the roof???
shouldn't the brackets be in line with the roofing screws that screw into the purlins? What is he screwing into?