Insulating Old Roofs

They are often advertised as a diy option but those who have done it suggest that it requires skill and experience to do well.

Insulating old roofs.

Plasterboard 50mm pur insulation in 50mm timber stud with 50mm vented cavity to the existing wall. Insulation board should be added between the old and new roof systems to ensure proper insulation and to reflect heat from the outside. U value 0 38w m. Install siding over the insulation.

If you want to avoid internal changes you can do so by insulating externally. Suitable insulation includes natural fibre based products made of sheep s wool or hemp as well as mineral wools. One way to insulate walls of an old house is to focus on the home s exterior. Available in both foam and rigid form choose the board type.

The other option is loose fill or blown insulation. Permeable insulation works well with old buildings that breathe. Caulk window trim and use weatherstripping to reduce air leaks. Equally the reverse is true.

There is a good deal of controversy around these systems. If you do have existing roof insulation the first thing to do is to check the depth. If there is only 25mm of insulating material then this is likely to date back to the 1970s as this type of. Apply a house wrap vapor barrier to exterior walls.

Alternative options for insulating old roofs one modern option for existing buildings is sprayed foam.