Crosby Inc

Founded in 1959, Crosby Incorporated has over 50 years of experience in the window washing and building services industry. Crosby can provide the Crosby Incorporated has been in business in the Greater Seattle Area since 1959. Our technicians a...

Founded in 1959, Crosby Incorporated has over 50 years of experience in the window washing and building services industry. Crosby can provide the Crosby Incorporated has been in business in the Greater Seattle Area since 1959. Our technicians are experienced in all aspects of window cleaning services specific to our Northwest Region. Glass is a porous substance and our rain contains salt. This combination results in a "sandpaper effect" that wears down the glass and allows a build up of "dirt pockets" that can become impossible to clean without causing permanent damage to the glass. Additionally, some building surfaces or building trim contains minerals or sandstone which during rain produces a run off onto the glass causing further dirt / mineral deposit build up and damage to the glass. To help prevent this damage from occurring, exterior glass should be cleaned four times annually and interior glass should be cleaned two ti