Mansard roof

tmp70a4-1A mansard roof with a claw-purlin structure.

The claw-purlin truss in the mansard roof has a purlin beam supporting the rafters of the lower and upper parts of the roof.

Roofs with a mansard structure are two-story roofs. lower part …

Lukarna – goiter eye

tmp7b6f-1The structure of the “ox-eye” dormer made in a collar roof with a recessed knee wall.

A free-eye dormer is created by stretching the surface formed by the roofing without breaking it, co …