Insulating Old Roofs

The other option is loose fill or blown insulation.

Insulating old roofs.

There is a good deal of controversy around these systems. 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. U value 0 38w m.

Caulk window trim and use weatherstripping to reduce air leaks. Install siding over the insulation. Equally the reverse is true. Attach 1 inch foam board insulation.

Apply a house wrap vapor barrier to exterior walls. They are often advertised as a diy option but those who have done it suggest that it requires skill and experience to do well. If you do have existing roof insulation the first thing to do is to check the depth. One way to insulate walls of an old house is to focus on the home s exterior.

If there is only 25mm of insulating material then this is likely to date back to the 1970s as this type of. Replace old windows with energy efficient units. Plasterboard 50mm pur insulation in 50mm timber stud with 50mm vented cavity to the existing wall. Available in both foam and rigid form choose the board type.

Insulation board should be added between the old and new roof systems to ensure proper insulation and to reflect heat from the outside.