Most exterior walls have insulation in between the wall studs. Wall studs account for up to 25 percent of every wall and, since studs are poor insulators, a significant amount of energy is lost. This loss of energy is called thermal bridging.
Insulated siding fights thermal bridging by blanketing the outside of the wall studs so that energy escaping through the studs can’t get out, increasing the overall R-value of the wall. This blanketing helps homes stay cool in the summer and warm in the winter.
Another benefit to providing less heat transfer is the reduction of colour fade on insulated siding.
ENERGY STAR® QUALIFIED HOMES PROGRAM V. 3
Due to its ability to reduce thermal bridging, insulated siding can help qualify homes under the ENERGY STAR® Qualified Homes Program.
RECOGNIZED IN THE ENERGY CODE
The International Energy Conservation Code recognizes insulated siding as a form of continuous insulation in the 2015 Energy Code, which means it can be used as part of a compliance package to meet energy codes that are currently adopted.
A study to determine insulated siding’s effect on energy performance under real-world conditions (after retrofitting existing single-family homes) observed that, in every case, after the insulated siding was installed, less home heating fuel was used.*
*Based on utility bills analyzed for differences in home heating fuel use two years prior and two years following installation of insulated siding (Insulated Siding Energy Performance Study, Newport Ventures, June 2013).
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