Commercial Fiberglass Frame Windows

Heavy Commercial SeriousWindows Series

Serious Materials, well known for its high performing, energy efficient residential window systems now brings to the commercial market the Heavy Commercial SeriousWindows Series. Using sophisticated window technology, incorporating advanced glazing systems and super insulating fiberglass frames and sash, this next generation in energy efficient commercial window systems offers superior structural ratings, a variety of energy efficient, high thermal performance IGU packages, and full frame insulation values ranging from R3-R7.

Heavy Commercial SeriousWindows enable energy-efficient window strategies including passive heating and cooling coupled with maximum daylighting to significantly reduce energy load and greatly improve the environment for building occupants. In addition, the inherent advantages of fiberglass over aluminum framing systems include enhanced lifetime durability, higher thermal performance, and a lower embodied energy footprint.

Available Product Styles

Heavy Commercial SeriousWindows Series Advantages

Superior Structural Ratings – Tested to AAMA/WDMA/ CSA 101/I.S.2./A440-08, the 5035 series achieves Heavy Commercial (CW) ratings across the line, as well as monumental or oversized ratings along with large mulled configuration in the heavy commercial category.

AAMA Gold Labeled
AAMA ratings (gateway sizes) CW100
Industry-leading air infiltration of <0.01 and water penetration of 15 psf
Durable, tough coatings warranted to meet AAMA 623-07 standards

Advanced Thermal Performance – Certified by the NFRC, and exceeding ENERGY STAR requirements, the Heavy Commercial SeriousWindows Series provides advanced thermal performance for your most challenging projects.

99.5% UV blockage
Super-insulating glass packages achieving full frame insulation R-3.0 to R-7.0
Thermal conductivity that is 800x less than aluminum
Condensation resistance to sub-zero temperatures
Contributes to LEED certification

Cutting–Edge Fiberglass Framing System – The fiberglass framing system of the Heavy Commercial SeriousWindows Series is dimensionally stable having a low coefficient of thermal expansion, which maintains seal integrity and minimizes warping or leakage in high inside/outside temperature differentials.

3 ¼” frame depth with 1 1/8” glazing OA
Monumental sizes & large mulled configurations
10 year limited warranty
Proprietary, high tech, fused joinery system creates an indestructible solid corners impermeable to air and water
Dimensional stability with extreme thermal cycling
Similar sightlines as aluminum but with a significantly lower U-Value
Superior strength to weight ratio ideal for large window openings -- 86% of the yield strength of aluminum

Download Heavy Commercial X35 Series Product Datasheet

Download Heavy Commercial Awning Window CSI 3-Part Specification

Download Heavy Commercial Casement Window CSI 3-Part Specification

Download Heavy Commercial Picture Window CSI 3-Part Specification

Download Heavy Commercial X35 Series Awning Window

Download Heavy Commercial X35 Series Casement Window

Download Heavy Commercial X35 Series Picture Window