2. Main materials
Walls
[] 1 Stone, dressed stone, millstone, building stone, brick, hollow brick, cement, chip wood, cinder block
[] 2 Other materials such as: wood, wood beams and cob, clay masonry, etc.
____ Specify
Roof
[] 1 Tile, slate, asbestos or similar material; aluminum, steel, copper, zinc, terrace.
[] 2 Other materials such as: straw, sheet metal, flat stone, bitumen, etc.