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.
Roof tiles have settled on roof trusses are ok.
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.
Materials handling storage safety information.
The weight of these roof tiles brings up another question.
In the past it has been stick construction 2x8 s 2x10 s or 2x12 s.
Each time you drill into your roof.
It might be something.
A roof s primary purpose is to protect the interior of a building by keeping out the elements and a roof can t stave off the weather if it s riddled with holes.
This is the first time i have seen the tiles installed on a 2x4 truss roof system 24 oc with osb decking.
If the original roof was wood shingles a light weight material and it was replaced with concrete tile a heavy material then the roof may sag or be wavy because it was not structurally designed to carry the heavier load weight.
Hammers nails and other hand tools will be.
The trusses will be securely vertically propped prior to being lifted to the roof area.
Roof lines should be arrow straight.
What causes a sagging roof line.
A new roof that is of a heavier material.
This is an upscale builder 300k range.
Then the beam or roof may sag.
Roof trusses will be delivered to site.