
SINGLE HUNG
Bottom sash moves up and down
Top Sash is stationary |

DOUBLE HUNG
Both sash move up and down |

GLIDING
One or both sash glide horizontally |

CASEMENT
Hinged on left or right side or fixed
Operates with a crank handle |

AWNING
Hinged on sides
Operates with a crank handle at bottom
Opens outward from bottom |

BOW
Three or more units |

ANGLE BAY
Three units |