Best Insulation To Put Under Vinyl Siding

Installing foam board insulation under vinyl siding today more than ever before homes are being built with foam board insulation installed on the outside of the sheathing and under the siding.

Best insulation to put under vinyl siding.

Plan to use rigid foam with silver facing underneath vinyl siding. While fan fold has minimal insulation value it does even out wall defects and cuts down on drafts. Contoured insulation not only insulates the home but also provides support to the siding panel helping to maintain the just installed look for years to come. Furring strips furring strips may be necessary if you are installing vinyl siding over existing wood siding or stucco.

Installing vinyl siding with plywood substrate. Wall 1 insulated with only r 19 wall 2 insulated with high density spray foam at a nominal 4 inches in the cavity for a cavity r value of 24 wall 3 r 19 in the cavity plus r6 1 foam board under the vinyl. Measure the walls from top to bottom with a tape measure and buy either 4 by 8 foot or 4 by 9 foot sheets of rigid foam insulation to cover from the roof line of the house to the sill plate at. Would like to add some type of insulation on the exterior walls.

This detail is used with both new construction and also with renovation work. All it does is give you a flat smooth surface to properly nail your vinyl siding onto. But insulated vinyl siding has one unique feature. From a previous post i was told fanfold insualtion was only necessary if the substrate was uneven.

The foam backer also acts as a shock absorber for the siding significantly improving impact resistance and protecting it from impact damage from things like hail baseballs and rocks thrown from the lawnmower. Contoured insulation that is permanently adhered to vinyl siding. It also serves as an air barrier. Installing foam insulation under vinyl siding is a wise choice for homeowners who are seeking to protect their homes against moisture infiltration as well as improve energy efficiency.