About Us

About

Founded on the pillars of precision engineering and unyielding integrity, Custom Installation Sheet Metal Inc. delivers elite roofing and custom metal solutions across Winnetka and the surrounding California regions. Our company was built to bridge the gap between heavy-duty architectural sheet metal fabrication and modern structural waterproofing.

Today, we protect residential communities and commercial assets with a highly skilled team of certified roofing technicians. We treat every structure as if it were our own—combining traditional craftsmanship with cutting-edge, energy-efficient materials. Backed by License #1163449, full bonding, and comprehensive insurance, we are the dedicated partners you need to shield your property for decades to come.

Why Choose Us

Fully Licensed, Bonded & Insured (Lic. #1163449)

We operate 100% legally and strictly under California structural and safety regulations, giving you absolute protection and peace of mind from day one.

Architectural Metal Specialists

Our deep roots in specialized sheet metal fabrication mean we execute flawless custom flashing, complex valley transitions, and premium metal work that standard contractors cannot match.

Complete Material Versatility

From heavy-duty commercial TPO and modified bitumen systems to elegant residential concrete tile, cedar shakes, and traditional shingles, we have the specialized tooling to handle any system.

Transparent & Long-Term Solutions

We provide honest diagnostic reporting, upfront pricing, and long-term quality, avoiding quick temporary fixes to save you money over time

Our Mission

We don’t just install roofs; we engineer the armor that protects what matters most. At Custom Installation Sheet Metal Inc., we fuse precision architectural sheet metal craftsmanship with advanced waterproofing technologies. We operate daily to ensure every California home and business secures an impenetrable shield against the elements, backed by legal compliance, absolute honesty, and the pride of flawless execution.

Our Vision

To set the gold standard in structural protection, where the word “roof” becomes synonymous with total peace of mind. We envision ourselves as the definitive benchmark for roofing solutions, continuously evolving alongside modern architecture and sustainable building materials. We want every property owner who sees our name to know their investment is in the hands of the most qualified, transparent, and dedicated specialists in the industry.

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