The PVC Double Hung Window from Xiamen KDSBuilding is designed to provide versatility, comfort, and durability in one elegant package. Both the upper and lower sashes can slide vertically, allowing flexible ventilation options while maintaining excellent energy performance. Crafted from premium PVC profiles, this window offers exceptional resistance to corrosion, fading, and weathering, ensuring long-term durability with minimal maintenance. The double-glazed glass and multi-chamber frame design deliver outstanding thermal insulation and sound reduction, keeping interiors comfortable and quiet all year round. Each sash is counterbalanced for smooth, effortless operation, and both can tilt inward for easy cleaning from inside the room—an ideal feature for multi-story buildings. With airtight sealing and advanced locking systems, the PVC Double Hung Window prevents air and water leakage, enhancing energy efficiency and security. Available in various colors and finishes, including classic white and woodgrain textures, it perfectly complements diverse architectural styles. Certified under NFRC and CE standards, KDSBuilding’s PVC Double Hung Window combines modern functionality with timeless design, making it a preferred choice for homeowners, architects, and developers seeking reliable, attractive, and eco-friendly window solutions.

PVC double hung windows combine traditional aesthetics with modern functionality, featuring two vertically sliding sashes that can move independently. Both the upper and lower sashes tilt inward, making cleaning easy and safe from inside the home. Constructed with durable, weather-resistant PVC frames, these windows offer excellent insulation, sound reduction, and energy efficiency. Their low-maintenance design resists warping, fading, and corrosion, making them ideal for all climates. With customizable colors, grid patterns, and glazing options, PVC double hung windows suit a wide range of architectural styles. They provide superior ventilation, user-friendly operation, and timeless appeal for residential or commercial spaces.

PVC hand crank casement windows combine classic side-hinged design with modern performance and durability. Designed to open outward with the turn of a smooth-operating crank handle, these windows provide excellent ventilation control, unobstructed views, and superior sealing performance. Crafted from high-quality uPVC profiles and internally reinforced with galvanized steel, our casement windows are built for long-lasting strength and weather resistance. The multi-chambered frame enhances thermal insulation, while compression seals along the sash perimeter ensure airtight and watertight performance—ideal for energy-efficient homes and buildings. Each window is equipped with a corrosion-resistant crank handle, multi-point locking system, and friction hinges for secure, effortless operation. Glazing options include single, double, or triple glass units with Low-E coating, argon gas fill, and laminated or tempered glass for added insulation and security. Available in a variety of frame colors, finishes, and grille patterns, our hand crank casement windows can be tailored to suit modern or traditional designs. Easy to maintain and built to meet international standards such as NFRC and CE, they are ideal for residential homes, villas, and commercial buildings in diverse climates. KDSBuilding’s PVC crank casement windows offer the perfect balance of function, aesthetics, and long-term value.

PVC double hung windows offer a timeless aesthetic combined with advanced performance and functionality. Designed to suit both traditional and modern architecture, these windows feature two operable sashes that slide vertically, allowing for flexible ventilation from the top, bottom, or both. Engineered using premium uPVC profiles reinforced with galvanized steel, our double hung windows provide exceptional strength, durability, and resistance to warping, cracking, and corrosion. The multi-chambered frame enhances thermal insulation and energy efficiency, helping reduce heating and cooling costs in all climate zones.