Sierra Pacific H3 Series
Our advanced H3® Fusion Technology™ is the perfect integration of extruded aluminum, vinyl and wood. Its patent pending design and construction gives it an industry-leading seal against the elements. It’s also extremely durable and easy to install. It features a wood interior for warmth and beauty. The extra strong 0.078” vinyl base frame offers superior rigidity, protection against rot, and greater resistance to air or water leaks. Vinyl components remain hidden when window is closed. Integral rigid nailing provides greater structural integrity, an improved water barrier and easier installation that nearly eliminates racking problems. And lastly, its protected by our exclusive CoreGuard Plus™, the industry’s best wood protection, making the H3 series superior to most others on the market.
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