Welcome to Lansing Windows & Doors


Lansing Building Products has been supplying superior exterior building products to professional contractors since 1955, and is proud to offer premium windows and patio doors that offer a fresh perspective on vinyl new construction and replacement products. Through innovative engineering and the use of only the highest quality materials, Lansing windows and doors offers superior performance and elegant styling. Whatever you are looking for, from new construction to renovation Lansing has everything you need to meet your budget and exceed your customers’ expectations.

Find the right products based on your needs or application.

Browse Lansing Replacement Windows

Replacement Windows

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Browse Lansing New Construction Windows

New Construction Windows

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Browse Lansing Patio Doors

Sliding Patio Doors

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SafeHarbor Windows & Doors

SafeHarbor Impact Products

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Manufacturing Story

Manufacturing Story

Our windows and sliding doors are recognized for their high-quality craftsmanship, innovative engineering and close attention to detail. Learn more about the process used to make them.

Series 90 Windows

Series 90 Windows

Our Series 90 is the very best of our premium vinyl replacement windows, offering superior energy efficiency and durability. These windows offer a range of premium enhancements made standard and our widest selection of optional features.

Glass system showing spacer system

Energy Efficient Glass

With multiple glass options to increase energy efficiency, there is a glass package to fit any climate need and budget. Visit the Glass section of our site to learn more about available options and energy efficiency.

Learn More About Glass

The ENERGY STAR program logo

ENERGY STAR Program

Looking for ENERGY STAR qualified products? Learn more about the climate zones and performance criteria used to identify ENERGY STAR compliant windows and doors.

Learn About ENERGY STAR

Lansing window warranty information

The Lansing Warranty

Every Lansing window and patio door is backed by a limited lifetime warranty on vinyl, glass and all working parts. Each product is individually registered with a product identification number, making ordering replacement parts throughout the warranty period easy and efficient.

View Warranty & Support Details