Attic Sheathing Insulation

Featuring integrated moisture air and thermal protection zip system r sheathing completely reimagines traditional wall assemblies by streamlining exterior water air and thermal management.

Attic sheathing insulation.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Loose fill or batt the common term for blanket insulation. Both can be added to uninsulated attics or layered over existing material. Remove existing roofing and non adhered underlayment to expose roof sheathing.

In the winter humidity from the house s interior will get past the insulation and come in contact with the cold roof sheathing where it will condense into water. Install it anywhere from the roof to the foundation. As with attic floor insulation moisture and heat removal are the reasons for creating proper air. Zip system r sheathing is the simple all in one structural panel with built in exterior insulation.

Install insulating sheathing above the roof deck on existing homes. Figure 5 shows the potential for condensation of an unvented roof assembly in dallas tx. Dallas tx is located in a mixed humid climate zone. The problem arises with moisture.

For diy attic insulation you ve got two choices. In warm climates zones 1 through 4 low density open cell spray foam insulation is the typical choice since it is vapor permeable and will allow drying of the exterior sheathing and roof framing if they happen to get wet via diffusion into the interior of the building. Mildew can be very dangerous to your health. Baffles establish a channel for air to circulate between the insulation and the roof sheathing.

Rigid insulation is one of the best tools to reduce your energy costs. Mold growing on the sheathing in your attic is a serious problem that shouldn t be ignored. Rigid foam insulation also known as insulating boards provide high r values. This roof assembly has no insulating sheathing installed above the roof deck.

They keep your home at a comfortable temperature without the need to crank your heat. You can even place it under the foundation slab. This retrofit assembly is appropriate for homes with conditioned attics or where the retrofit is intended to create a conditioned attic. If there is a roof leak the insulation will be damaged by the water leaving you with less insulating value.

Note that this roof assembly has rigid insulation installed above the roof deck in order to control the condensation potential. T he problem with the insulation against the sheathing expands.