PVC and aluminum are not universally better or worse. The decision depends on opening size, appearance, insulation goals, budget, and expected use.
Residential projects often prioritize thermal performance and easy upkeep, while commercial openings may emphasize strength, narrow sightlines, and heavy use.
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Common PVC strengths and limits
Multi-chamber PVC frames commonly offer low thermal transfer and low maintenance for residential projects.
Color, very large sizes, dark exteriors, and structural spans depend on the specific product line, not the material name alone.
Where aluminum systems fit
Aluminum offers strength and narrow sightlines that work well for storefronts, large glazed areas, and modern designs.
Thermal performance depends on the thermal break, glass makeup, and installation; basic aluminum and high-performance systems are very different.
Why unit price is not enough
Quotes should define removal, substrate repair, glass performance, screens, hardware, perimeter finishing, disposal, and permit responsibility.
Two prices are comparable only when the specifications and scope match.