
rigid insulation


baTT installation
what is this symbol

fluorescent light
what kind of window is this

double hung

what kind of door or window is this

awning

what kind of window is this

it’s a hopper because it’s hinged at the bottom and tilts inward into the room

what kind of window is this?
it’s hinged on the left side and pivots outside
casement

casement because it’s hinged on the left side and opening outward.
what symbol is this is this the chimney oh, a glass block, fire brick, the gravel fill

glass block
what symbol is this

rocks
what symbol is this?

supply duct in section