Tesla doesn't let you choose the complexity of the roof when using the estimator on their Web-site, so You can't see how Tesla is categorising the roof or what pricing They may be utilizing for the estimate. R-value can vary in large ranges and may be viewed as based on https://solarrooftilesaustraliapr48271.ziblogs.com/31775766/a-simple-key-for-solar-roof-tiles-australia-price-unveiled