From the biggest order to the smallest detail, LbL stands behind each and every one of our products with a lifetime guarantee. For as long as the original owner lives in the house in which our vinyl windows and/or patio doors are installed, we will correct defects in materials and/or workmanship in all window and patio door products manufactured by LbL.

Why We Stand Behind Our Products

Our unwavering dedication to quality allows us to make this guarantee to our customers. From the raw materials that we order to the expert craftsmen in our manufacturing warehouse to the dealers in our trusted network, we only work with the best. Every step we take is a value added to the windows and doors we deliver.

Years of Experience

With over 45 years in the business, LbL has established itself as a leading custom vinyl window manufacturer in the western U.S. Our reputation is built on our promise to always deliver unparalleled quality. Our faith in our products is absolute, and we have the utmost confidence they will last to your satisfaction.