Patch Fitting Door
It's a buried axle spring or a built-in vertical ground spring. Its door panel can be opened freely inside and outside.
Specifications
| Spring Type | Buried axle spring / Built-in vertical ground spring |
| Door Thickness | 40mm - 45mm |
| Wall Thickness | 90mm - 350mm |
| Eco Performance | Odourless, Anti-Dampness, Soundproof |
| Certifications | CE, ISO9001:2008, SGS |
Key Features
Bi-directional Opening
Door panel swings freely both inward and outward for maximum traffic convenience.
Durable Mechanics
Heavy-duty patch fittings ensure long-term stability and precise alignment.
Related Project Cases
Project In CA, USA
Project In CA, USA is a project supply case in California, USA, supplied with Bifolding Doors for the main opening package.
Bifolding Window Product For Chile Client
Bifolding Window Product For Chile Client is a residential case in Chile, supplied with Bifolding Doors, Bifolding Windows, Aluminum Windows for the main opening package.
Related Insights
Why Windows Condensate in Hot, Humid Climates and How to Reduce It
How dew point, weak frame specifications, and installation mistakes can lead to condensation, mildew, and comfort complaints.
Best Glass Spec for Hot, Noisy Streets: What Buyers Usually Miss
A direct answer to two common complaints at once: too much solar heat and too much traffic noise.