The floor structure is constructed of wood. Note that this refers to the structure, and not wood overlay flooring or plywood sheet laid over a different structural material.

It is clear that the floor structure is made from wood, but the type of wooden structural system is unknown. The system may be hidden, or information about it is unavailable.

It is clear that the roof structure is made from wood, but the type of wooden structural system is unknown. The system may be hidden, or information about it is unavailable.

Wooden shingles are usually split wood, overlapping and fastened to wood battens. Wooden shingles are usually made of cedar, redwood, hardwood etc. Asphalt shingles are small overlapping sheets of asphalt, usually fastened to a plywood sheet substrate. An alternative form is made of glass fiber or polyester fleece impregnated with bituminous material (tar, asphaltic bitumen).

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Wooden shingle roof covering, USA (S. Krstic)

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A roof with asphalt shingle covering, Canada (S. Brzev)

Wooden beams or trusses and joists, supporting light roof covering, e.g. corrugated sheets. Also includes curved roof structures e.g. vaulted roofs.

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Timber beams and joists supporting light roofing, New Zealand (W. Clark)

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Wooden roof truss structure, Cuba (S. Brzev)

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Wooden roof truss, California, USA (S. Brzev)

Wooden truss structure supporting wooden planks and steel sheet roofing, Chile (S. Brzev)

Wooden structure supporting wooden planks and steel sheet roofing, Chile (S. Brzev)

Wooden truss structure supporting light metal roofing, Chile (S. Brzev)

Wooden truss structure supporting light metal roofing, Chile (S. Brzev)

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Wooden roof structure supporting light metal roofing, Indonesia (J. Bothara)

Wooden beam and joist roof, Peru (S. Brzev)

Wooden beam and joist roof, Peru (S. Brzev)

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A church with a vaulted wooden roof in Curico, Chile damaged in the 2010 Maule, Chile earthquake (M.O. Moroni)

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Curved wooden glulam beams supporting light metal roof covering, Canada (S. Brzev)

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A roof structure consisting of steel decking supported by wooden glulam beams, Vancouver, Canada (S. Brzev)