This is most likely to be eaves spread caused by insufficient tying of the rafters at wall plate level quite probably by the alteration of the roof truss arrangement structure.
Roof bowing concrete tiles.
Our concrete roof tile portfolio includes beautiful high and medium barrel tile as well as a gorgeous assortment of flat profiles in rich colors and contrasting textures that will complement any residential or commercial architecture.
Concrete tiles have additional water locks or interlocking ribs on the edges that prevent water infiltration.
Double eagle bel air.
One of the most common causes of roof issues are problems related to the rafters or trusses.
Therefore giving them a good look is critical when addressing sagging bowed or wavy roofs.
Consider beautiful long lasting and economical concrete roofing tiles.
Increasingly popular with designers architects and home buyers a flat tile roof offers a crisp clean appearance that perfectly complements both traditional and modern architecture.
In the early 1900s coloring pigments were added to concrete roofing tiles in europe to simulate the appearance of clay.
Addition of a new heavier roof covering will have made it worse or just made it noticeable.
Flat concrete roof tiles refer to a variety of profiles completely lacking in any barrels or rolls.
Concrete tiles are made of mixture of sand cement and water which are molded under heat and high pressure.
Many homes built with these first concrete roof tiles still remain proving their durability.
They have issues for a wide variety of reason including damage from wind storms overloading from ice and snow leaks etc.
I assume the bow is noticeable along the ridge of the roof.
If you are adding tiles to a roof that did not previously have them or to a design which did not originally incorporate them the roof may not be capable of carrying the excess weight.
Cedar shakes shingles.
Concrete tiles come in three main appearances.
In the middle of the 19th century in bavaria a mixture of cement sand and water was first used to form roof tiles out of concrete.
Concrete clay roof tiles.
Concrete tiles which are usually lighter than clay tiles can easily place over 10 pounds of weight per square foot on a roof.