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All windows are custom made to properly fit existing openings.

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No, we carry a full $2 million liability insurance which covers property damages. We also carry workers compensation insurance which covers any employee injury on the job.

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We respect your property, your staff and your tenants by adhering to a set work schedule and project deadlines. Once we start your project, we won’t leave until it’s complete.

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We cover working areas to reduce the amount of dust and debris entering the interiors. We collect and properly dispose of all job related debris.

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We fill interior window cavity with a low-expansion foam, to block drafts, moisture and insects. It ensures an excellent water-resistant, airtight seal – as well as outstanding thermal and acoustical insulation.

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To create the best exterior seal we use high-performance polyurethane sealant. It’s outstanding adhesion and flexibility provides years of leak-free operation.

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In general, you can expect the crew to spend about 30-60 minutes on each window, removing the old one and putting the new one in its place.

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A retrofit window is a window that is custom made to fit into an existing opening without causing damage to the exterior of the house. It allows for replacement of almost any window at a much lower cost.

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Yes. All windows are installed by company trained technicians.

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For most projects, windows and doors in a single apartment unit are completed in 1-2 business days. We have worked with tenant occupied units for years and respect their space and privacy.

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In addition to the manufacturer’s warranty that covers the window product for up to 10 years. Property Improvement Specialists offers installation warranty for 10 full years.

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Available Window Styles

Single Hung

Double Hung




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(818) 786-9500


6035 Sepulveda Boulevard
Van Nuys, CA 91411