Unvented roof / Green Building & Sustainable Home Renovation Information & Advice

A unvented roof design allows for large open spaces and natural light
Insulation and soundproofing

Vented and Unvented Roofs - What's the Difference and Which is Better?

...unvented roofs are built With an unvented roof, insulation is applied directly to the underside of the roof sheathing. An unvented roof may seem to be an oddity, or somehow more challenging due to how common vented roofs and attics are, but it is a perfectly viable roof design. It just means your roof assembly is more ...