Premium UPVC Flush Sash Windows (Wood Effect)
2.Size: Custom sizes
3.Color: Customizable
4.Certifications: CE, 3C, AS, CSA, ENERGY STAR
5.Suitable for: Commercial buildings, villas, hotel projects, private residential projects, etc.
6.Trade Terms: DDP, CIF, FOB, EXW, CFR
Shaanxi SGL Doors&Windows Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of premium upvc flush sash windows (wood effect) in China, also supports customized service. Please feel free to wholesale high quality premium upvc flush sash windows (wood effect) for sale here from our factory. If you have any enquiry about pricelist and quotation, please feel free to email us.
Premium uPVC Flush Sash Windows (Wood Effect) | The Ultimate Timber Alternative
For decades, homeowners looking to replace aging, drafty wooden windows faced a difficult compromise. You either paid a premium for modern timber frames-committing yourself to endless cycles of sanding, treating, and repainting-or you opted for standard white uPVC, which often destroyed the historical character of traditional properties.
Our wood effect uPVC flush sash windows eliminate that compromise entirely.
Engineered to replicate the traditional joinery of 19th-century timber windows, the opening sash sits entirely flush within the outer frame. There are no overlapping lips or bulky profiles. Combined with premium textured woodgrain foils, you get the exact visual proportions of authentic wood, backed by the thermal efficiency and zero-maintenance reality of high-grade uPVC.
Whether you are restoring a period cottage, upgrading a farmhouse, or injecting character into a modern self-build, this is the definitive timber-alternative window.
Product Parameters
| Specification Category | Detailed Parameters |
| Profile Material | Virgin multi-chambered uPVC (Lead-free) |
| Profile Depth | 70mm (Designed as a direct replacement for standard UK/EU timber frames) |
| Glazing Options | 28mm Double Glazed standard / 44mm Triple Glazed compatible |
| Energy Rating | WER A+ |
| Thermal Performance | 1.2 W/m²K (Double Glazed) / 0.8 W/m²K (Triple Glazed) |
| Security Hardware | Multi-point shootbolt locking, PAS 24 certified |
| Woodgrain Finishes | Irish Oak, Golden Oak, Rosewood, English Walnut, Chartwell Green, Anthracite Grey, White Ash |
| Fabrication Method | Fully welded standard / Authentic mechanical butt joints (optional) |
| Hardware Styles | Traditional monkey tail, teardrop, or modern slimline inline handles |
| Acoustic Rating | Up to 38dB noise reduction (dependent on acoustic glass specification) |
| Warranty | 10-year comprehensive guarantee on frames, mechanics, and foil color fastness |
Engineering Authentic Heritage Details
The success of a wood effect window comes down to the finer details of its manufacturing. We don't just apply a basic color wrap; we engineer the frame to look and behave like carved wood.
Premium Textured Woodgrain Foils
We utilize industry-leading exterior foils (such as Renolit) that are thermally bonded to the uPVC profile during the extrusion process. These foils feature a deeply embossed texture that mimics the natural grain pattern of timber. From the curb, and even up close, the tactile finish makes it nearly impossible to distinguish from a painted or stained wooden frame.
Traditional Mechanical Joints (Optional Upgrade)
Standard uPVC windows are manufactured with a 45-degree diagonal weld in the corners. While structurally sound, this is a dead giveaway that the window is plastic. We offer fully mechanical joints. This fabrication method mimics traditional mortise and tenon joinery, where the horizontal sections are butt-jointed squarely against the vertical sections, delivering absolute historical accuracy.
Internally Beaded for Security and Clean Lines
Older timber windows often featured external glazing beads, which made them vulnerable to break-ins. Our flush sash windows are internally beaded. The glass is locked into place from the inside of your home, making it impossible for intruders to remove the glass pane from the outside. This also ensures the exterior sightlines remain completely smooth and uninterrupted.
Product Application
Our factory
Customer visit
FAQ
Q: Are wood effect uPVC windows truly indistinguishable from real timber?
A: To the naked eye from a few feet away, yes. We use deeply textured foils that replicate the grain of real wood, unlike the flat, shiny plastic of standard uPVC. If you choose the mechanical joint upgrade, the frames mimic the straight-cut joinery of traditional timber, removing the obvious diagonal plastic welds. Unless you tap the frame, it looks exactly like wood.
Q: Will the woodgrain foils fade, peel, or blister in direct sunlight?
A: No. This is a common concern based on older 1990s uPVC technology. Today's architectural foils are highly UV-stabilized and permanently bonded to the profile. They are rigorously weather-tested and guaranteed against fading, peeling, or blistering for a minimum of 10 years, even on highly exposed south-facing elevations.
Q: Can I install flush sash uPVC windows in a designated conservation area?
A: In the vast majority of cases, yes. Because our flush sash designs accurately replicate traditional timber sightlines and proportions, they are heavily favored by local planning authorities as timber replacements. However, if your property is subject to strict Article 4 directions, you must always consult your local conservation officer before ordering, as rules vary by local council.
Q: What exactly is the difference between welded and mechanical joints?
A: A standard uPVC window is manufactured by melting the corners together at a 45-degree angle (a mitre weld). Mechanical joints replicate how a carpenter builds a wooden window: the horizontal piece of the frame is fitted flat against the vertical piece (a butt joint). If historical authenticity is your primary goal, mechanical joints are a necessary upgrade.
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