Under Steel Siding Insulation

Some people use roofing nails but if a strong gust of wind gets under the siding it may not hold.

Under steel siding insulation.

I thought i should show why continuous foam under the exterior siding is so important. How to install rigid foam under siding. Below are some of the design details along with the benefits. By glenn hooper june 2 2015.

Fit the rigid foam insulation snugly and seal all seams with the specialized tape. This detail is used with both new construction and also with renovation work. The problem with using insulation alone. Flat board insulation continuous insulation under new siding has become a popular way to improve energy efficiency on an existing home because it addresses a problem known as thermal bridging.

Many houses built today have a double wall type of insulation with fiberglass batts fastened between the studs on the inside and rigid foam board over. The goal of insulation is to keep the inside to outside temperature difference low enough at a specific humidity level to prevent it from reaching the dew point. While it is possible to insulated behind the steel this is not nearly as effective as it can be beneath a less conductive material like wood or fiber cement. Imps are sealed at the side laps and all perimeter boundaries.

Apply sealant around windows doors and trim. To be completely efficient this insulation type has to mold perfectly with the inside of your home siding. In fact you can check if it is a correct insulation installation by pressing on the house 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.

To secure the foam use two inch cap nails. They consist of two single skin metal panels and a foamed in place core. Insulated metal panels insulated metal panels imps have been around for many years and continue to play an important role in building construction as they offer many benefits and incentives. I get asked if this or that in the in the cavity works as well as foam under the siding.

Why insulation under the siding is important. The nails have a plastic cap that keeps them from damaging the foam. But the greater the temperature difference the less humidity the system can handle before dripping.