All Grand Horizons vinyl components meet or exceed performance requirements established by National Accreditation & Management Institute, Inc. (NAMI). In fact, every Grand Horizons window and patio door is backed with a Transferable Limited Lifetime Warranty that protects your purchase from the perils of chipping, cracking, peeling or blistering. 10-year warranty on Color Scape (exterior painted components) and woodgrain laminate.

50 Years on Hardware
50-Year Hermetic Seal
10-Year Accidental Glass Breakage Coverage (non-transferable)

Click here to view warranty/maintenance (in pdf format)
for reading only, (Do not submit for any claim.
Use hardcopy warranty claim card for all claims)..