Scuttle Hole Requirements Fire Safety Attic Dimensions

Equipment access roof scuttles are available in steel aluminum and stainless steel construction.

Scuttle hole requirements fire safety attic dimensions.

Building codes provide specific guidelines for attic access in homes. Scuttle holes a scuttle hole is usually a 2 x 2 entrance hole to the attic covered by a panel. The result is probably the biggest air leak in the house with a 20 reduction in attic insulation value over 1000 sqft. Buildings with combustible ceiling or roof construction shall have an attic access opening to attic areas that exceed 30 square feet 2 8 m2 and have a vertical height of 30 inches 762 mm or greater.

When this firewall does not extend into the attic that is when the garage attic is not separated from the house attic then the garage ceiling becomes part of the required garage firewall. This is generally about a 22 by 30 hole in the ceiling of your house into unconditioned space so it certainly deserves some consideration. The rough framed opening shall not be less than 22 inches. Attic access panels serve as an important safety and convenience feature in the home.

I still haven t air sealed. The vertical height shall be measured from the top of the ceiling framing members to the underside of the roof framing members. Roof construction shall have an attic access opening to attic areas that exceed 30 square feet 2 8 m2 and have a vertical height of 30 inches 762 mm or greater. Hatches are custom fabricated to meet your size requirements note.

A type d roof hatch provides a convenient way to install or remove large pieces of equipment from a building. These openings not only allow mechanical and electrical contractors to. Wall surfaces that separate a garage from a dwelling are required to comply with one hour fire rated construction standards. Larger sizes may require aluminum construction for proper operation.

The minimum size for an attic s access. Make sure to check your local building code for attic access size minimums to ensure that your finished opening will still meet these requirements. Although the attic may be where your heat air conditioning or hot water unit is located if you add flooring you can utilize your attic for storage as well.