Attic ventilators
In houses, screened openings provided to ventilate an attic space.
Attic access
An opening that is placed in the drywalled ceiling of a home providing access to the attic.
Astragal
A molding, attached to one of a pair of swinging double doors, against which the other door strikes.
Asphalt
Most native asphalt is a residue from evaporated petroleum. It is insoluble in water but soluble when heated. Used widely in building for waterproofing {roof} coverings of many types, …
Areaway
An open subsurface space adjacent to a building used to admit light or air as a means of access to a basement.