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.
It depends on the roof type. A single story lower pitch asphalt shingle roof will cost around $40.00 - $80.00 per square (100 sq. ft.) to tear off and $75.00 - $100.00 per square to install new shingles.