No Insulation In Roof

The principle behind soffits is to allow air to circulate in and around the attic.

No insulation in roof.

The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow. A roof without good insulation is a great contributor to energy loss. There is no insulation in that ceiling and in the summer that room heats up and forces the a c to run constantly in what seems like a losing battle to cool that space. Running with the slope lay 1x4 lumber flat onto the insulation 2ft o c.

Covering up the soffit vents with loose fill or batts which can happen if you stuff insulation along the eaves is a huge no no. For the same reason insulation shouldn t touch the roof s underside. Chauk line to idenify where your rafters are. This is bad for the environment and for your wallet as you end up spending a lot more on your electric bills.

The big concern with roof ventilation and insulation is moisture control in the roof sheathing. Fill the area with 1 5 inches thick polyiso. Wood can wet without issue but keep it wet and then the problems arise. Here are just a few of the highlights.

Proper insulation can significantly reduce your energy consumption heat in the winter ac in the summer and reduce your energy costs by hundreds of dollars a year. Adding insulation where it was never designed to go mainly the walls of an old house causes a host of problems all due to the moisture issues it creates. But spray foam insulation used at the underside of the roof deck would need to be covered by a thermal barrier and intumescent coatings are commonly used. But with proper design and maintenance principles you don t have to sweat roof condensation issues.

Although moisture problems in the roof assembly can be due to waterproofing deficiencies don t neglect the effect of condensation. Use construction adhesive between 1x4 and insulation board. Strip off the roof. Starting at one edge accross the roof to the other edge.

Insulating and venting when there is no roof soffit may 21 2016 in most residential homes the soffit and associated vents is the structural part of the roof that hangs over the side of the home. The movement of air into indirect conditioning of an unvented attic is a slow gradual process that will not be noticeable by occupants and typically will not put any strain on the hvac system. Reduce under roof insulation level to 3 fiberglass r 11 under the cathedral ceiling not good energy savings not recommended but functional just poor insulation value. If your roof deck or insulation is developing water droplets chances are your forehead is too.