Best Under Siding Insulation

The thicker the insulation the more air pockets and the higher the r value.

Best under siding insulation.

Insulated vinyl siding is installed with nails as with standard vinyl. I get asked if this or that in the in the cavity works as well as foam under the siding. It also serves as an air barrier. The house has wrap under the siding.

The best installation of foam board insulation is at least an r 10 nailed to the sheathing surface with all seams taped. I thought i should show why continuous foam under the exterior siding is so important. The insulation itself can be up to 1 25 inch thick at its thickest point but due to the stepped profile much of the insulation is thinner. In fact this type of insulation is particularly made for each type of siding and for this reason is more expensive than other insulation types.

I am having the siding removed from our house and 2 foam board but under the siding. The thick insulation component helps reduce energy use and lower utility bills. Depending on the particular brand and product insulated vinyl siding features an r value of 2 0 3 5. The average 2 story home with insulated siding saves 14 2 on heating and cooling costs saving homeowners 425 per year with a utility bill of 250 per.

Spending 20 000 on insulated vinyl siding and recouping 15 280 in resale value lowers the true cost of your siding to 4 720. Will this cause any condensation issues. By glenn hooper june 2 2015. The house was build in the 19970 s 2 4 walls and pink insulation between the studs.

And the energy savings only add to your return on investment. Complete wall protection with foam insulation is the perfect option for vinyl and fiber cement siding types. Why insulation under the siding is important. Most homes in the united states are built with traditional wood frame construction with studs every 16 on center.

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. As many things in building science go you my dear reader have to learn something. 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 the. Tiny air pockets in the insulation resist the transfer of heat.

The bottom edge of the insulation is shaped to receive the top edge of the siding course below so the pieces overlap.