The PVC casement door is a popular choice for modern buildings, combining durability, energy efficiency, and stylish design. Made from high-quality PVC profiles, it resists moisture, corrosion, and fading, ensuring long-lasting performance with minimal maintenance. The door opens outward with the help of durable friction hinges, providing excellent ventilation and easy operation. Multi-point locking systems enhance security, while double or triple glazing options improve thermal and sound insulation. Its sleek frame design allows more natural light to enter, making interiors brighter and more comfortable. Available in various colors and finishes, the PVC casement door blends functionality with aesthetic appeal. series: 60 series PVC opening style: Casement (Swing) Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047, Energy Stay U-Factor  ≤ 0.3 SHGC ≤ 0.21 Visible Transmittance: 0.41 Air Leakage: 0.15

KDSbuilding`s UPVC double hung window produced with advanced technology, good quality material and good quality glass. Our products are customized, color, style and other. The fiberglass or stainless fiberglass screen are easy to install and clean. series: 82 series PVC opening style: Double Hung Glass: 3mm+12A+3mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.21 Visible Transmittance: 0.41 Air Leakage: 0.15

The PVC single hung window is a classic and energy-efficient design ideal for both residential and commercial buildings. It features a fixed upper sash and a vertically sliding lower sash, allowing smooth operation and ventilation. Made from durable PVC material, it offers excellent thermal insulation, weather resistance, and low maintenance. The window can be customized with double or triple glazing, Low-E glass, and insect screens. Its secure locking mechanism enhances safety, while the simple design suits a variety of architectural styles. Cost-effective and practical, the PVC single hung window is a smart choice for long-term performance and visual appeal. series: 82 series PVC opening style: Single Hung Glass: 3mm+12A+3mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.21

PVC doors are engineered to deliver superior performance, visual appeal, and long-term durability. Manufactured using premium uPVC (unplasticized polyvinyl chloride), these doors are highly resistant to moisture, corrosion, and UV rays, making them an ideal choice for both interior and exterior applications. One of the key benefits of our PVC doors is their excellent insulation performance. The multi-chambered profile design minimizes heat transfer and enhances energy efficiency. When combined with double or triple glazing and high-quality weather seals, our PVC doors help reduce energy consumption while also improving indoor comfort by minimizing noise and drafts. KDSBuilding offers extensive customization options to meet different architectural styles and project needs. Choose from a range of door types—single swing, French, casement, or tilt-and-turn—available in various sizes, colors, and surface finishes including matte, glossy, and woodgrain textures. Doors can be fitted with decorative panels or full-glass inserts using tempered or laminated safety glass. series: 60 series PVC opening style: Casement (Swing) Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047, Energy Stay U-Factor  ≤ 0.3 SHGC ≤ 0.21 Visible Transmittance: 0.41 Air Leakage: 0.15

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. series: 72 series PVC opening style: Hand crank casement Glass: 3mm low-e +12A+3mm+12A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

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. Each sash is equipped with counterbalance systems or spiral balances for smooth, quiet operation and ease of cleaning, as both sashes can tilt inward. Available with single, double, or triple glazing options, including Low-E and argon-filled IGUs, the window ensures superior sound insulation and comfort. Our PVC double hung windows come in a variety of colors and finishes, including white, grey, black, and realistic woodgrain laminates. Custom sizes and grille designs are also available to meet specific architectural preferences. Ideal for residential homes, townhouses, and renovation projects, KDSBuilding’s double hung windows deliver a perfect combination of energy efficiency, low maintenance, classic design, and long-lasting value across global markets. series: 82 series PVC Color : black opening style: Double Hung Glass: 3mm+12A+3mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.21 Visible Transmittance: 0.41 Air Leakage: 0.15

PVC sliding windows offer a perfect blend of modern design, energy efficiency, and long-lasting durability. Crafted using high-quality uPVC profiles and reinforced with galvanized steel for structural strength, these windows are ideal for both residential and commercial buildings seeking practical and stylish solutions. Our PVC sliding windows feature a horizontal sash movement, ensuring effortless operation and space-saving benefits. The multi-chambered frame enhances insulation, helping reduce noise and energy loss, making them suitable for varying climates. With options for single, double, or triple glazing and Low-E or tempered glass, our windows can be customized to meet different thermal and acoustic requirements. A wide selection of colors, finishes, and hardware options are available, including woodgrain effects and security locks. The smooth-glide rollers and durable tracks ensure consistent, long-term performance with minimal maintenance. series: 65 series PVC opening style: Top sliding and bottom fixed Color: White Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

Our newly designed aluminum system window offers a perfect combination of modern aesthetics, structural strength, and advanced thermal performance. Engineered with a high-quality aluminum profile and precision thermal break technology, this window system delivers exceptional energy efficiency, noise reduction, and weather resistance—ideal for both residential and commercial applications. With slim sightlines, customizable finishes, and flexible opening styles such as casement, sliding, tilt-turn, and fixed configurations, it enhances natural light while maintaining security and insulation. Whether you're aiming for a contemporary façade or a minimalist interior look, this aluminum window system provides a durable, low-maintenance, and architecturally elegant solution that meets international performance standards.