Mansard Roof Insulation

But what materials should be used to save energy on this type of house.

Mansard roof insulation.

Step 1 add a vapor barrier. Here the insulation is very close to the roofing material and the task is not. In the case of the attic this is not at all the case. Mansard and gambrel style roofs have always been hard to insulate.

The steep roof with windows creates an additional floor of habitable space a garret and reduces the overall height of the roof for a given number of. One strategy would be to incorporate the attic into the conditioned space and then use a sandwich of barriers and insulation under a furred vented. So now i m thinking about just insulating the little attic which is formed by the low sloped part of the. I have a house with mansard roof in boston.

After having dense pack installed in the building walls the mansard is the next target. This barrier may not be fitted to an older home and you should consider getting a contractor. Originally i was toying with the idea of closed cell spray foam for the whole mansard floor but i do not want to tear down historic plaster. To insulate the roof you will need to use a combination of insulation to fully protect the roof.

I recently purchased a home with a mansard roof i had some roofers come to give quotes to replace the top it is finished and they all recommend adding ventilation known issue with mansard s. If the attic space remains uninhabited the air in the under roof space serves as a good thermal insulation along with the insulation of the floor.