All the of the materials in an assembly make up the EFFECTIVE R-Value. This is different than going with the PRESCRIPTIVE value of one product.
Next: R-Value vs. U-Value (U Factor) »
Send Gratitude 🙏
Thank you for fueling guides with your gratitude.
Copy the text above to add this widget to your blog or website.
Select and copy the text above and paste it in your code.
Subscribe to this guide & build your own with a free Guides account.