Normal Attic Heights

Minimum ceiling height.

Normal attic heights.

The compact attic ladder requires a minimum height of 28 and minimum depth of 44 inside the attic above and behind the opening. For smaller attic openings with a minimum measurement of 18 x 24 you will need to measure the swing clearance inside the attic space. Mark a line across four studs by running your pencil along the bottom part of the straightedge. The minimum ceiling height in rooms with sloped ceilings such as a finished attic space is 7 feet over at least 50 percent of the room area.

If you then lay a floor thus raising the floor level you end up with a height of roughly 12 inches above the floor. Ceilings can go beyond the industry standard to 10 and 12 feet high. The rough framed opening. Place the receptacles at this height.

Room area is this case is calculated as the total floor space with walls at least 5 feet tall. For air conditioned rooms a height of not less than 2 4 m measured from the top of the floor to the lowest point of the air conditioning duct or the false ceiling should be provided. This gives you a height of 14 inches. The minimum finished ceiling height of living space varies from town to town but often falls between 6 8 and 7 6.

Higher ceilings up to 12 feet are not uncommon especially in renovated loft apartments and pre war style architecture. 12 foot ladder 16 foot reach. You could get away with 210 cm 240 cm for studies bathrooms children s rooms etc. Quite easily but i d recommend keeping above 240 cm for living areas and master bedrooms if you can.

The 2012 international residential code requires an attic access opening for attics with an area greater than 30 square feet and a vertical height in excess of 30 inches. 10 foot ladder 14 foot reach. Know the difference between your ceiling and floor joists. The minimum height from the surface of the floor to the ceiling or bottom of slab should be not less than 2 75m.

Further explanation of those factors that can limit the headroom of your finished attic and other code considerations are explored below. 8 foot ladder 12 foot reach.