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.
For the price given you, my company could install a super premium shingle (hatteras, super shangle, landmark TL). For a 25 mile radius of me though, cost of living is low. We as roofers are closer to $200-$250 for a standard 1-2 story (walkable) roof.