Warranties Silver Line windows and patio doors are designed and built to provide quality, reliability and energy efficiency. They’re backed by our Limited Lifetime Warranty, providing you with peace of mind. Please check out our “how to videos” for quick tips and parts installation Learn About Your Coverage Silver Line Limited Lifetime Warranty For warranty coverage on Silver Line products purchased prior to 10/1/2022, please consult the warranty document below: Residential windows & patio doors Impact-resistant windows & patio doors Locate Your Order Number Silver Line windows and doors have a unique order tracking label with an order number that you’ll need to provide when registering your warranty or submitting a form. Click below to learn where to locate the label on your window or door. Register Your Warranty Already purchased Silverline windows or doors? Protect your investment by registering your warranty today. Submit a Warranty Request Our site offers many answers to common window and door questions, if you need further assistance please submit a warranty request using the online Cornerstone Building Brands warranty request form. Click here to get started.
