New high-performance glazing meets NFRC energy standard requirements and supports Title 24 compliance Xiamen, China – – Xiamen KDSBuilding Material Co., Ltd. is proud to breakthrough in insulated glass engineering for high-performance windows and doors. The company’s newly developed double-glazed Low-E insulated glass achieves U-Factor as low as 0.23 Btu/hr·ft²·°F and Solar Heat Gain Coefficient (SHGC) as low as 0.19, setting a new standard in energy-efficient fenestration solutions for global markets. This glass system has been tested and calculated according to ASHRAE and NFRC 100-2010 standards and is designed to support NFRC certification applications and meet California Title 24 energy efficiency requirements, making it ideal for high insulation buildings in the United States and Canada.     Tested using Lambda 950 UV spectrometer and Spectrum 100 infrared analyzer. This innovation is the result of continuous research and dedicated engineering effort. The KDSBuilding R&D team spent over 14 months optimizing glass coating formulas, spacer system design, and thermal bridge control. “Our engineering team worked day and night to push the limits of glass energy performance,” said Mr. Zhang, Chief Engineer at KDSBuilding. “With this level of insulation and solar control, builders can now achieve Passive House and Net Zero standards more easily.” “With the breakthrough of this new glass, our windows and doors can meet California Title 24 compliance and NFRC standards. This will be beneficial for us to expand our business across America and the global market, as stated by Mr. Ken, the General Manager of KDS Building. "We will strive to research new types of glass for windows and doors that can bring more benefits to our lives." “This type of glass was developed in time” said Ms. Kelly, Sales manager for trade department” One of our customer in California just have a project and need low U-Factor and low SHGC parameter glass window for his project. We all happy to can reach a business partnership.” Key Benefits: • Ultra-low energy consumption performance • Reduces heating & cooling costs up to 45% • Prevents condensation and improves indoor comfort • Ideal for cold regions and high solar radiation regions • Supports NFRC certification applications • Compatible with Title 24 building energy compliance in California This insulated glass will be used in KDSBuilding’s aluminum thermal break windows,UPVC windows,  tilt & turn windows, casement & awning windows, lift & slide & folding door systems, and curtain wall projects. Xiamen KDSBuilding Material Co., Ltd. is a professional manufacturer of aluminum and uPVC windows and doors with over 15 years of industry experience. The company provides NFRC-compliant and energy-efficient window systems to customers worldwide. Website: www.kdsbuilding.com Email: Ken@kdsbuilding.com Factory: Xiamen, China

Windows and doors are essential elements in every building, not only providing light, ventilation, and access, but also ensuring comfort, energy efficiency, and security. Like any long-term investment, proper care and maintenance are necessary to keep them functioning well and looking new. With the right upkeep, modern windows and doors—whether PVC, aluminum, steel, or wood—can last for decades. Below are practical tips to help you extend their lifespan. 1. Regular Cleaning Clean windows and doors at least twice a year, or more often if you live in a coastal or dusty area. Use mild soap and water for glass surfaces, wiping with a soft cloth to prevent scratches. Avoid harsh chemicals or abrasive materials that could damage special coatings. For frames, PVC and aluminum should be cleaned with non-abrasive cleaners, while wooden frames need gentle cleaning and periodic refinishing to prevent moisture damage. 2. Care for Tracks, Hinges, and Hardware Dirt and dust often build up in sliding tracks and around hinges, causing windows and doors to operate less smoothly. Vacuum tracks regularly and wipe with a damp cloth. Hinges, locks, and handles should be lubricated once or twice a year with silicone spray or light oil to ensure effortless movement. Avoid heavy grease, as it tends to attract more dust. 3. Inspect Weatherstripping and Seals Seals and weatherstripping play an important role in energy efficiency and water resistance. Over time, they can crack, shrink, or lose flexibility. Inspect them every season and replace when necessary. Also check caulking around frames; reapply if you notice cracks or peeling. Well-maintained seals reduce air leaks, lower energy bills, and protect interiors from moisture. 4. Moisture and Drainage Management Windows and doors are designed with small drainage holes to let water escape. Keep these openings free of debris to avoid water accumulation and leaks. For wooden frames or doors, look for swelling, peeling, or rot. Sand, repaint, or reseal exposed areas to maintain a strong moisture barrier. 5. Glass and Frame Care Examine glass panels for cracks or chips, as even small damages can spread over time. Replace damaged panes quickly to maintain safety and insulation. Check frames for dents, warping, or corrosion, depending on the material. Tighten any loose screws in handles, locks, and hinges. 6. Proper Use and Handling Gentle operation is key to long-lasting windows and doors. Avoid slamming them shut or forcing them open if they stick. For sliding systems, do not overload handles or lean on panels. Small habits in daily use can significantly extend the product’s life. 7. Seasonal Inspection Before rainy or winter seasons, check windows and doors for insulation, water tightness, and overall performance. After heavy storms, inspect frames, seals, and glass for possible damage. Preventive maintenance ensures long-term durability. Conclusion Windows and doors are designed to last 20–30 years or more with the right ma...

When designing or upgrading windows and doors, it is not enough to select the right glass alone – the performance also depends on the type of profile that holds it. The glass and profile must work together to achieve the best results in energy efficiency, safety, durability, and style. At KDSBuilding, we provide both high-performance glazing and advanced profile systems in aluminum, PVC, steel, and wood to ensure the perfect combination for any building project. 1. Consider Energy Efficiency Needs In climates with hot summers or cold winters, insulated glass units (double or triple glazing, often with Low-E coatings) are the best choice. To maximize their performance, these should be paired with thermally efficient profiles. PVC profiles and aluminum profiles with thermal breaks prevent heat transfer through the frame, complementing the insulation of the glass. This pairing ensures lower energy bills and improved indoor comfort. 2. Balance Safety and Strength For large glass areas, such as sliding doors or floor-to-ceiling windows, the weight of laminated or tempered safety glass requires a profile with high structural strength. Aluminum and steel profiles are ideal for these applications because they can support heavier glass panels without warping, while still maintaining slim sightlines. For smaller windows, PVC or wood profiles can safely carry tempered or laminated glass while adding insulation or natural aesthetics. 3. Noise Control Applications When using acoustic laminated glass to reduce outside noise, it is important to install it in a profile that seals tightly. PVC profiles are excellent for this purpose because they naturally have multi-chamber designs that block sound. Thermally broken aluminum profiles with advanced gasket systems also work very well for noise-sensitive environments like offices, schools, or city homes. 4. Privacy and Style Frosted or decorative glass provides privacy and adds a stylish design element. These glass types can be paired with any profile, depending on the architectural look desired. Aluminum profiles create a modern, sleek finish, while wood profiles bring warmth and traditional elegance. PVC offers a balance between efficiency and affordability, while steel delivers a bold, durable appearance suitable for commercial buildings. 5. Compliance and Safety Codes In some projects, fire-rated or special safety glass must be used to meet building codes. These specialized glazing options require steel or aluminum profiles with certified fire-rated systems to ensure full compliance. Matching the correct frame material ensures that the performance of the glass is not compromised. 6. Cost and Maintenance Considerations While laminated, Low-E, or acoustic glass offers advanced performance, the frame material should be chosen to suit the project’s budget and maintenance needs. PVC profiles are low-cost and low-maintenance, making them ideal for residential projects. Aluminum profiles are highly durable and require ...