This is caused by the squeegee being angled incorrectly forcing the water under the rubber blade out into the dry area of the glass or from solution being pushed up into the top edge of the window.
Although there is a slight difference between our original calculation and Teslaâs new oneâlast fall we built in a cost of $6,500, Teslaâs current cost for a Powerwall as part of a Solar Roof installation is $7,000.
With premium shingles, such as 50-year architectural shingles, your total average cost will probably range from $450 to $700 per square installed, or anywhere from $9,000 to $14,000 depending on the company you choose to hire, roof access/difficulty, your homeâs location, etc.