Andersen Windows & Doors' new PG Upgrade option for A-Series windows achieves PG70 ratings for more performance, added strength, and a higher PG/DP value than Andersen’s standard A-Series. A-Series customers now have the option to upgrade for higher performance, without compromising aesthetic, as this new option has hidden structural reinforcements that allow for the same aesthetic. These are designed to satisfy AMA/WDMA/CSA 101/I.S. 2/A440 “North American”, standard/specification for windows, doors and skylights” (NAFS), multiple Florida Building Code Product Approvals and the Texas Department of Insurance.