Roof lines should be arrow straight.
Roof tiles have settled on roof trusses are ok.
This is the first time i have seen the tiles installed on a 2x4 truss roof system 24 oc with osb decking.
Roof trusses will be delivered to site.
Mobile crane for the installation of trusses roof ladder fixed scaffold for access.
A new roof that is of a heavier material.
In the past it has been stick construction 2x8 s 2x10 s or 2x12 s.
This may have been caused by any number of factors.
Materials handling storage safety information.
Cracked or damaged rafters or trusses.
If you can see a dip curve or swag on the peak when standing in the street your roof has a problem.
Each time you drill into your roof.
Hammers nails and other hand tools will be.
Then the beam or roof may sag.
It might be something.
The trusses will be securely vertically propped prior to being lifted to the roof area.
The weight of these roof tiles brings up another question.
If a roof has been re roofed with heavier roofing material than the original roof was engineered for.
I e the original roof was a light wood shingle roof and the new replacement roof is a concrete tile roof weighing 5 or 10 times more than the original roof.
What causes a sagging roof line.