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Window Cleaning, Power Washing, Weather Proofing

The right tools and team for your needs.

At Sentinel, we have the right people, the right tools, and the experience to clean and maintain your exterior windows to the fullest and keep them looking their best. Regardless of height, shape, or size, your facility can look its best all year round. Through their expertise and experience, our professionals can access any area that is required with our specially designed tools and machinery. 


If you manage or own any of the following types of facilities, you can trust Sentinel when it comes to maintaining your windows:

• Office Buildings
• Condominiums
• Co-ops
• Apartment Buildings

• Shopping Centers
• Hotels
• Municipal and Government Buildings
• Schools

• Churches
• Health Care Facilities
• Banks
• Retail Offices

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