in some regions you have to have some attachment points for earthquake stabilization and need stamped plans to show that the structure is capable of holding the added weight.
With the foam insulation, there could be compression as well.
It would seem that littleharbor solution of measuring from the inside through the window to the outside wall and transferring that measurement to the roof should be fairly trivial.
With the foam insulation, there could be compression as well.
It would seem that littleharbor solution of measuring from the inside through the window to the outside wall and transferring that measurement to the roof should be fairly trivial.
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