1) Air barrier paper is used to wrap homes and prevent air and water penetration. Attic ventilation includes soffit vents under the eave, gable vents in the attic, ridge vents along the roof top, and roof turbines that pull heat away.
2) A backhoe is used in early construction stages like digging foundations. Brick arches include keystones, jack arches, and Roman arches supported by temporary centering frameworks.
3) Different types of siding include wood boards, brick, limestone, and wood shingles. Codes require minimum sizes for windows and maximum heights above floors.