Insulation Between Roof 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.

Insulation between roof trusses.

Increasing your home s value. Uneven or sloppy application however can make the insulation ineffective and unsealed open cell insulation can absorb moisture causing the roof to rot or leak. The bigger issue comes around when you are dealing with a roof that has exposed trusses cathedral ceilings or specialty open ceilings. Other benefits of roof insulation include.

Insulation between the joists keeps warmth in your living space below and creates a cold loft while insulation in the rafters allows you to keep warmth in the roof space as well. Box out light fixtures. The benefits of insulating a building around the outside protecting the structure and effectively creating a tea cosy effect are well publicised. Consider using high density r 30 batts which are as thick as r 25 batts but fit into 2x10 framing.

Improving your home s energy efficiency rating. Water is insulation s enemy. With a regular roof insulation isn t a problem. To insulate the underside of the ceiling between rafters you ll want to add insulation to the exterior portion of the finished ceiling.

A vent baffle should be installed between the insulation and the roof decking to maintain the ventilation channel. Convenience polyurethane or polystyrene spray foams can provide thorough coverage to roof rafters and attic walls in much less time than is needed for other materials.