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A-frame building
Architectural house or building styles / From Wikipedia, the free encyclopedia
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An A-frame building is an architectural style[1] of building that features steeply-angled sides (roofline) that usually begin at or near the foundation line, and meet at the top in the shape of the letter A. An A-frame ceiling can be open to the top rafters.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/8/88/The_Bennati_House%2C_Lake_Arrowhead%2C_California.jpg/640px-The_Bennati_House%2C_Lake_Arrowhead%2C_California.jpg)
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/a/aa/A-frame_house_on_Butler_Spaeth_Road_in_Gillette%2C_Wyoming.jpg/640px-A-frame_house_on_Butler_Spaeth_Road_in_Gillette%2C_Wyoming.jpg)
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/0/0e/Traditional_thatched_house_%28palheiro%29%2C_Santana%2C_Madeira%2C_Portugal.jpg/640px-Traditional_thatched_house_%28palheiro%29%2C_Santana%2C_Madeira%2C_Portugal.jpg)
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/NickyPanicciAFrameHollywoodHillsFRONT.jpg/640px-NickyPanicciAFrameHollywoodHillsFRONT.jpg)
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/0/00/Exterieur_OVERZICHT_PLAGGENHUT_BIJ_HET_KANAAL_-_Erica_-_20309407_-_RCE.jpg/640px-Exterieur_OVERZICHT_PLAGGENHUT_BIJ_HET_KANAAL_-_Erica_-_20309407_-_RCE.jpg)
Although the triangle shape of the A-frame has been present throughout history, it surged in popularity around the world from roughly the mid-1950s through the 1970s. It was during the post–World War II era that the A-frame acquired its most defining characteristics.