“Exterior walls” - jcgomezz/Building_taxonomy GitHub Wiki

Openings

Op99: Openings unknown WOL: Large openings (i.e. more than 75% of the wall height is occupied by windows and/or doors)

WOM: Moderate openings (i.e. more than 50% of the wall height is occupied by windows and/or doors)

WOS: Small openings (i.e. less than 20% of the wall height is occupied by windows and/or doors)

WON: No openings

Window protection

Wp99: Protection unknown

PNO: Windows not protected

PRW: Weak window protection

PRS: Strong window protection