I m working on a new house that is to have boxed greek cornice returns at each corner of the 6 12 gable roof.
Greek return roof.
Most greek revival buildings have substantial cornices that extended into gable ends as returns.
This structure supports all roof sheathing materials such as plywood sheathing underlayment and of course shingles.
It forms the outer edge of the roof on the sides of a structure with a sloped roof.
The greek revival roof return s tyle emulated the temple forms of ancient greece resulting in the creation of straightforward box like buildings we see in historic towns of america.
A classical eave return is based on a pediment like this example.
This is a decorative element of the greek revival style however they may not be shingled just trim.
The cyma portion of the horizontal crown miters into the raking cyma while the cove.
γεῖσον often interchangeable with cornice the part of the entablature that projects outward from the top of the frieze in the doric order and from the top of the frieze course of the ionic and corinthian orders.
The former includes a sloped hip shape on the inside of the cornice under the eaves which is sheathed or shingled like the rest of the roof above it and is considered very attractive.
This excerpt from john carroll s the complete visual guide to building a house the taunton press 2014 uses a series of illustrations to detail the process of framing a cornice return with two different styles of roof.
The two most common types of cornice return are the greek return and the soffit return also called a boxed or box soffit return.
Both designs start with structural support and then the process varies slightly for a shed capped cornice return vs.
The latter is a simple return.
The return box measures 36 x24 so that 18 is towards the facia and 18 is against the side wall.
There is an overhang of 18 at eaves and rake.
There s a better way and architect don powers shows three alternatives.
Rafters start at the top of the roof and go down to the eaves but not exceeding the exterior walls of the house.
A common roof structure is made of trusses or rafters.
Though this a true pediment it has the appearance of a classical eave return because the break in the horizontal entablature occurs above what would be a vertical column and the crown molding splits at the fillet as it turns the corner.
Therefore they cannot create overhangs or.