KDSBuilding’s solid wood hand crank windows blend traditional craftsmanship with modern engineering. Each frame is crafted from high-quality hardwood, ensuring natural beauty and long-lasting durability. The hand crank mechanism offers smooth, effortless operation—ideal for hard-to-reach areas while maintaining a classic architectural look. Our wood windows are treated for weather resistance, preventing warping, moisture damage, and insect intrusion. With energy-efficient glazing and tight sealing, they deliver excellent insulation against heat and noise. Whether for heritage restoration or luxury homes, these solid wood crank windows enhance interiors with warmth and sophistication. Combining artistry and technology, KDSBuilding offers windows that truly stand the test of time. series: Wooden opening style: hand crank Casement Glass: 5 mm+9 A+5 mm double tempered clear glass Color: wooden color Certification: CE, AS 2047 , CE