Insulation Truss Roof

The easiest way to increase the value of your roof assembly is to insulate the insulation with a hybrid roof system.

Insulation truss roof.

When improved insulation is combined with efficient air sealing and adequate attic ventilation a raised heel truss roof reduces the pressure and temperature differences between the living and attic spaces thereby cutting heat transfer and improving the efficiency of the hvac system. Isoboard thermal insulation fitted as a ceiling following the roofline allowing the opportunity to create additional space or a liveable loft conversion. By including a layer of stone wool insulation within your roof system your building will benefit in more ways than one. If you ended up with scissors trusses without raised heels this article is only available to gba prime members.

When all of the insulation is tight to the roof deck the unvented enclosed rafter truss assembly or unvented attic is within the building envelope and the attic will be conditioned to have a similar temperature as the interior space. To insulate the underside of the ceiling between rafters you ll want to add insulation to the exterior portion of the finished ceiling. They support live and dead loads by efficiently transferring the loads to the building walls or supports. Introducing a stone wool roofing insulation and coverboard in one.

With a regular roof insulation isn t a problem. The bigger issue comes around when you are dealing with a roof that has exposed trusses cathedral ceilings or specialty open ceilings. Examples of live loads are snow wind rain and temporary construction loads. Unvented insulated pitched roof this assembly uses a sloped roof ceiling assembly with insulation filling the entire depth between ceiling and roof sheathing.

Live loads are not always present. Like ordinary roof trusses scissors trusses come with or without a raised heel sometimes called an energy heel.