Spray foam, blown in and trusses..

I have a new construction house with trusses and an unvented roof assembly. Was originally going to use only spray foam on underside of roof decking to get my r… I have a new construction house with trusses and an unvented roof assembly. Was originally going to use only spray foam on underside of roof decking to get my r…Read MoreGreenBuildingAdvisor