Best Under Siding Insulation

The best installation of foam board insulation is at least an r 10 nailed to the sheathing surface with all seams taped.

Best under siding insulation.

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. Spending 20 000 on insulated vinyl siding and recouping 15 280 in resale value lowers the true cost of your siding to 4 720. I am having the siding removed from our house and 2 foam board but under the siding. The house has wrap under the siding.

I thought i should show why continuous foam under the exterior siding is so important. Most homes in the united states are built with traditional wood frame construction with studs every 16 on center. 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. Depending on the particular brand and product insulated vinyl siding features an r value of 2 0 3 5.

The reason the foam board should be at least an r 10 in because the thermal transference will be much less between the outside and the inside making condensation issues from thermal conductivity much less likely. Tiny air pockets in the insulation resist the transfer of heat. Insulated vinyl siding is installed with nails as with standard vinyl. 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.

As many things in building science go you my dear reader have to learn something. 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. The windows are being removed and moved out the 2 to line up with the foam board. The bottom edge of the insulation is shaped to receive the top edge of the siding course below so the pieces overlap.

Will this cause any condensation issues. The thicker the insulation the more air pockets and the higher the r value. Why insulation under the siding is important. By glenn hooper june 2 2015.

I get asked if this or that in the in the cavity works as well as foam under the siding. Complete wall protection with foam insulation is the perfect option for vinyl and fiber cement siding types. The thick insulation component helps reduce energy use and lower utility bills. It also serves as an air barrier.

The house was build in the 19970 s 2 4 walls and pink insulation between the studs.