Infinity Windows of Long Island Labor Warranty:

Infinity Windows of Long Island has made a commitment to their customers and craft by leading the industry with our 10 year labor warranty.

You will pay no labor fees, service charges, or replacement parts charges for 10 years after purchasing any product from us. Who else is willing to stand behind their products and craftsmanship with that confidence?

Infinity Lifetime Warranty:

You can rest assured that Infinity® from Marvin is the right choice. You’ll enjoy twice the peace of mind from windows that are warranted by both Marvin and Infinity Windows of Long Island by SML.

Since the late 1930s, Marvin has earned a reputation for fine craftsmanship, using only quality materials to build windows and doors that are beautiful and long lasting. Infinity windows are Marvin’s revolutionary solution to the discerning homeowner’s demand for exceptional non-wood replacement windows.

From 60 plus years of combined experience in the millwork and window business, the owners of Infinity Windows of Long Island by SML have a proven mission to put the satisfaction of our customer at the center of our business. Our dedication to excellence is evident from our no-hassle sales experience and through our professional post-installation service.

• Infinity Lifetime Warranty
• Infinity Warranty Registration

ProVia Door Warranty:

Since we manufacture the most professional doors and windows in the industry, it’s easy to honor your investment with the best warranty in the industry. You’re doors and windows are built for durability, security, and energy efficiency and will remain beautiful for years. So relax—we’ve got you covered.

Heritage™ Fiberglass Door Lifetime Limited Transferable Warranty

Storm Door Warranty

Signet Fiberglass Door Warranty

• ProVia Warranty Registration

Hardie Plank Warranty:

All HardiePlank® lap siding comes in a variety of looks and textures, all of which are engineered for climate. We are so sure about how well the HardieZone system will perform, HardiePlank® lap siding comes with a 30-year nonprorated, transferable, limited warranty—our strongest warranty ever.

• James Hardie Warranty