No Insulation In Roof

Running with the slope lay 1x4 lumber flat onto the insulation 2ft o c.

No insulation in roof.

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. Chauk line to idenify where your rafters are. Wood can wet without issue but keep it wet and then the problems arise. If your roof deck or insulation is developing water droplets chances are your forehead is too.

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. 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. 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.

When you don t have any insulation you re constantly leaking lots of heat out the roof keeping the sheathing warm so if it gets wet it dries out quickly. The principle behind soffits is to allow air to circulate in and around the attic. 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. Run a 2x4 flat around the parmiter of the roof.

Use construction adhesive between 1x4 and insulation board. Although moisture problems in the roof assembly can be due to waterproofing deficiencies don t neglect the effect of condensation. The big concern with roof ventilation and insulation is moisture control in the roof sheathing. For the same reason insulation shouldn t touch the roof s underside.

Strip off the roof. Starting at one edge accross the roof to the other edge. The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow. This is bad for the environment and for your wallet as you end up spending a lot more on your electric bills.

Here are just a few of the highlights. 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. 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. Fill the area with 1 5 inches thick polyiso.