PVC sliding windows combine style, strength, and customization. The slim-profile design allows more natural light and smooth horizontal operation, ideal for modern homes and apartments. Each window is constructed with steel-reinforced uPVC and multi-chamber frames, offering excellent thermal performance and sound insulation. Options include single or double sliding sashes, Low-E glass, insect screens, and stylish hardware. Available in classic white, sleek grey, black, or woodgrain finishes, these windows can be tailored to suit various architectural styles. Easy to operate and clean, KDSBuilding’s PVC sliding windows are a smart, energy-efficient choice for contemporary living spaces. series: 60 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

PVC sliding windows offer a sleek and practical solution for modern spaces. Designed with horizontal sliding sashes, they provide smooth operation and are ideal for areas with limited space. Made from high-quality uPVC and reinforced with galvanized steel, they ensure durability, weather resistance, and thermal insulation. Double or triple glazing options with Low-E glass improve energy efficiency and sound reduction. With a modern look and minimal maintenance, our sliding windows are perfect for residential and commercial buildings, including apartments, villas, and balconies. Multiple color and hardware choices make them a flexible and stylish option for any design. series: 60 series PVC opening style: Top sliding and bottom fixed Color: Black Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

PVC double hung windows combine traditional aesthetics with modern performance. Featuring two operable sashes that slide vertically, these windows provide flexible ventilation from the top, bottom, or both. Built from reinforced uPVC, they offer excellent energy efficiency, sound insulation, and weather resistance. Both sashes can tilt inward for easy cleaning and maintenance. With options for double or triple glazing, Low-E glass, and various color finishes, these windows are ideal for residential and light commercial applications. Their classic appearance, smooth operation, and low maintenance make them a practical and stylish choice for any building design. 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

PVC double hung windows combine traditional aesthetics with modern performance. Featuring two operable sashes that slide vertically, these windows provide flexible ventilation from the top, bottom, or both. Built from reinforced uPVC, they offer excellent energy efficiency, sound insulation, and weather resistance. Both sashes can tilt inward for easy cleaning and maintenance. With options for double or triple glazing, Low-E glass, and various color finishes, these windows are ideal for residential and light commercial applications. Their classic appearance, smooth operation, and low maintenance make them a practical and stylish choice for any building design. 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 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

PVC doors are the ideal solution for homeowners and developers seeking reliable, low-maintenance, and stylish entry or patio door systems. These doors are especially popular in residential settings such as apartments, villas, and townhouses, where performance and appearance are equally important. Each PVC door is designed for maximum functionality. Whether used as a front entrance, garden access, or balcony door, our products ensure excellent weather resistance, noise insulation, and energy savings. The uPVC material is corrosion-proof and does not require painting or frequent maintenance, making it an economical long-term investment. Our PVC door systems come with high-quality hinges, handles, and multi-point locking mechanisms to enhance security and ease of use. Glazing options include single, double, or triple layers of tempered or Low-E glass, delivering both transparency and insulation. 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

PVC doors are a modern solution combining durability, energy efficiency, and low maintenance. Made from high-grade unplasticized polyvinyl chloride (uPVC), our doors are designed to resist warping, rusting, and fading, making them ideal for long-term indoor and outdoor use in various climates. Our PVC doors are available in multiple configurations, including single swing, double swing, and French-style casement doors. They can be customized with full glass, half glass, or panel designs, using insulated glass units (IGUs) with options like Low-E, laminated, or tempered glass. Each door is internally reinforced with galvanized steel for added strength and stability, ensuring resistance against wind, impact, and deformation. 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 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. 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