Insulating The Underside Of A Roof

Your essential guide to insulating lofts and attic rooms.

Insulating the underside of a roof.

If you re insulating from scratch put the right vapor barrier in the right place. But the best solution is actually to insulate both the attic floor and the underside of the roof. For the same reason insulation shouldn t touch the roof s underside. Insulating the roof is a priority if the ceilings of your home happen to be part of the roof deck as is the case with cathedral ceilings.

Warmcel cellulose insulation made from recycled newspaper fibres is ideal for large large loft spaces image credit. When installing rigid insulation in an attic to be finished as a living space you must provide a route by which hot air can escape. At the same time the areas below the roof benefit from increased comfort both during the winter and the. Staple plastic or foam baffles to the roof sheathing near the eaves to keep the material away.

In this way you prevent the heat from the rooms below escaping to the attic rooms above. Materials commonly used for the insulation of the roof deck include. Senior engineer manager at icynene john broniek makes the case for the unvented attic assembly and why insulating the underside of the roof makes sense. You may also insulate your roof to help regulate the temperature in an attic that is a part of your living space.

It can trap moisture around the timber stops tiles or slates being reused in the future and prevents inspection of the underside of the roof.