Skylights are a transformative addition to any building, flooding interior spaces with natural light while reducing energy costs and enhancing occupant well-being. However, choosing the right skylight material can significantly impact your project’s long-term success. Two popular options in today’s market are polycarbonate skylights and Kalwall’s innovative fiberglass reinforced polymer (FRP) systems, each with distinct advantages and limitations.
When choosing between polycarbonate and Kalwall skylights for your building project, several key factors come into play:
Durability
Kalwall’s FRP skylights offer superior longevity and weather resistance compared to polycarbonate alternatives
Light transmission
Kalwall maintains consistent light diffusion and excellent glare control with a UV stable face sheet while polycarbonate will produce glare, may yellow and cloud over time
Thermal performance
Kalwall’s structural sandwich panels can achieve up to an R-20 thermal ratingsproviding significantly better energy efficiency than polycarbonate including the ability to fine tune the panel makeup to meet the project’s thermal requirements.
Long-term value
Kalwall skylights provide better return on investment through reduced maintenance and longer lifespan
Structural capabilities
Kalwall is a structural panel, and therefore has the ability to span greater distances, reducing the need for additional backup support.
Aesthetic appeal
Kalwall maintains a premium appearance and enhances property values better than polycarbonate
This comparison examines why Kalwall’s fiberglass-reinforced polymer skylights often represent the superior choice for commercial and residential applications seeking premium daylighting solutions.
Superior Light Quality with Kalwall FRP vs Polycarbonate
Kalwall’s fiberglass reinforced polymer technology delivers exceptional light diffusion that polycarbonate cannot match. While polycarbonate panels yellow over time and develop cloudiness, Kalwall’s FRP maintains consistent light transmission throughout its lifespan. The advanced sandwich panel construction provides perfectly diffused full-spectrum daylight that creates comfortable, even illumination without harsh glare or hot spots.
The light transmission quality remains consistent over decades, ensuring optimal natural lighting year after year. This consistency is crucial for commercial buildings where visual comfort and productivity are essential. Unlike polycarbonate’s tendency to create uneven lighting patterns, Kalwall’s FRP delivers uniform light distribution across the entire surface.
Enhanced Thermal Performance
Kalwall’s fiberglass reinforced polymer skylight systems significantly outperform polycarbonate in thermal efficiency. The advanced structural sandwich panel technology achieves impressive thermal performance ratings up to R-20 with solar heat gain coefficients (SHGC) as low as 0.04. This superior insulation performance translates to reduced energy costs for heating and cooling.
Standard polycarbonate skylights typically cannot match the thermal performance of Kalwall’s FRP systems. The superior thermal properties help maintain consistent indoor temperatures, reducing HVAC system loads and contributing to overall building energy efficiency. The thermally-broken sandwich panel construction eliminates thermal bridging, a common issue with polycarbonate installations.
Exceptional Durability and Weather Resistance
Kalwall’s fiberglass reinforced polymer skylights demonstrate remarkable longevity and weather resistance that far exceeds polycarbonate alternatives. The FRP construction withstands decades of UV radiation, extreme temperatures, and severe weather without significant degradation. Kalwall systems offer high hail resistance and have options to provide Class A fire ratings for enhanced safety.
Unlike polycarbonate, which becomes brittle and discolored over time, Kalwall’s FRP maintains its structural integrity and light transmission properties throughout its extended lifespan. The fiberglass reinforcement provides superior impact resistance while the polymer matrix resists UV degradation. This durability translates to lower maintenance costs (Maybe don’t bring up replacement???) and fewer replacement needs. Not sure this verbiage
Structural Advantages of Sandwich Panel Construction
Kalwall’s fiberglass reinforced polymer skylight systems offer impressive structural capabilities that polycarbonate cannot match. The composite sandwich panel system has the ability to span up to 20 feet without requiring additional structural support, providing architects with greater design freedom and potentially reducing construction costs.
The structural strength of the FRP construction allows for larger, uninterrupted spans of natural light, creating more dramatic and effective daylighting solutions. This capability is particularly valuable for sky roofs, large canopies, and monumental ridge roof systems requiring both architectural impact and structural reliability. The lightweight nature of FRP also reduces structural loads compared to heavier alternatives, resulting in cost savings for the project.
Long-Term Value and Return on Investment
While polycarbonate systems may offer lower initial costs, Kalwall’s FRP systemsprovide superior long-term value through extended lifespan, consistent performance, and reduced maintenance requirements. The durability and energy efficiency contribute to a better return on investment over time.
Kalwall skylights also maintain or enhance property values better than polycarbonate alternatives. The premium appearance, proven longevity, and consistent performance make them a smart investment for building owners concerned with long-term asset value. The reduced need for replacement and maintenance further enhances the total cost of ownership advantage.
The Last Word
For projects prioritizing long-term performance, energy efficiency, and aesthetic excellence, Kalwall’s fiberglass reinforced polymer skylights represent the superior choice over polycarbonate alternatives. The advanced FRP sandwich panel construction combines exceptional light diffusion, thermal performance, and durability in a solution that delivers lasting value.
While polycarbonate may serve certain budget-conscious applications, Kalwall’s FRP skylights offer the premium performance and longevity that discerning building owners demand for their daylighting investments. The combination of structural strength, thermal efficiency, and consistent light transmission makes Kalwall the clear choice for projects where quality and performance matter most.
Interested in learning more about skylights or any other daylighting systems? Powers Products can help. Get in touch through our website, or give us a call at 303-791-1010!