If anything has the ability to force the rafter ends up tight against the ridge it would be the formidable weight of the roof itself especially a tile roof.
Gaps in roof framing.
A flat roof has a slope of 1 8 per foot to 2 12.
Smaller differences such as 1 4 inch will result in an appearance of roller coaster look alike floor.
Building framing begins with the roof framing structure.
This is the trickiest of the thps downtown rooftop gaps as in order for it to register you have to make the large jump and land in a grind on the rail below leading down to the plaza.
As such the ridge and the adjoining rafter ends are entirely in compression.
Framing in construction is the fitting together of pieces to give a structure support and shape.
He s told us that the gaps are required to prevent condensation or any adverse impact to the timber within.
Other relevant factors include the type of wood being used for the rafters the size of the rafters and the load that the rafters need to support.
Framing materials are usually wood engineered wood or structural steel the alternative to framed construction is generally called mass wall construction where horizontal layers of stacked materials such as log building masonry rammed earth adobe etc.
Also double check the walls and the roof to avoid uneven surfaces.
However before concentrating on roof framing a brief discussion of diaphragms and shear walls is presented because they are two of the key elements in the framing of load bearing wall systems in most residential and light commercial construction.
Think of a flattened hip roof.
The current vendor of the house claims that the reason for the gaps in the roofing visible from inside the atic is that it is a breathing roof.
Are used without framing.
The reason is that in a rafter ceiling joist roof system the ridge represents the apex of a truss.
The spacing between rafters in a given building is part of the engineering calculations that determine the required structure of the roof.