Attic Insulation 2x4 Trusses

The floor structure of an attic is also the framing for the ceiling beneath it.

Attic insulation 2x4 trusses.

Water is insulation s enemy. Add to list click to add item 24 spreadweb residential roof truss 5 12 pitch 87 to your list. Even easier you can also use a prefabricated attic floor kit designed specifically to raise the attic floor above the insulation. It creates a breeding ground for mold and mildew and ruins the air trapping pockets that block heat flow.

Attic insulation between roof trusses. As long as they are not damaged the joists should be strong enough to allow you to move around in the attic for an inspection and to provide storage for typical boxed items. Compare click to add item 24 spreadweb residential roof truss 5 12 pitch 87 to the compare list. Click to add item 24 spreadweb residential roof truss 5 12 pitch 87 to the compare list.

This is made up of ceiling joists typically 2x6 or larger boards. How to blow insulation onto an attic floor and cover it with plywood flooring ceiling joists are the horizontal boards that span the width of the house resting on the outer wall plates and. In attics built purely for storage purposes you may find 2x6 ceiling joists or in some cases even 2x4 joists. While this is not the optimal setup it is acceptable to have ceiling joists covered with plywood or osb to use for light attic storage of dead loads.

However if you keep the storage weight to a minimum you may be able to build a storage platform above the insulation by attaching supporting beams to the sides of the trusses. Look for water stains on the roof sheathing or damp or moldy spots on attic joists and existing insulation as a clue to where leaks might be. I would really like to get more than r 13 and the current installation is probably providing r 1 with all the missing pieces. If your attic joists won t bear the weight necessary to finish out a living space but the engineer cleared them to support floor decking for light storage you can install inch plywood or.