Aging and weathering factors can affect the color of all windows frame and hardware materials. AAMA has established an industry color standard for what is and isn't acceptable.

AAMA/Industry Color Standard

• Some degree of color change is built in to industry standards.

• Color change tolerances are covered by AAMA standards for painted aluminum, pvc and other finishes.

• These standards take into account natural aging and weathering factors and describe the allowable change along one spectrum shows the point at which the AAMA standard for white PVC is set.

• PVC that passes the AAMA standard for window profiles meets this color change standard.