Zoo Hardware Door Hinges - Polished Chrome
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Product Information
Full details
This guide is for builders, contractors, and DIY enthusiasts looking for reliable, fire-rated door hinges. The Zoo Hardware 4 Inch Steel Door Hinges offer a smooth, self-lubricating action and are tested for 30 and 60-minute fire doors, providing peace of mind. A key consideration is that they are sold and supplied in pairs, so ensure you order the correct quantity for your needs.
All features
| Colour | Silver |
|---|---|
| Model Part Number | ZHS43CP |
| Brand | Door Handle Company |
Extended Product Information
FAQs
Are these hinges suitable for exterior doors?
While they are durable steel, their primary certification is for interior timber fire doors. For exterior applications, consider environmental factors and specific hardware recommendations for outdoor use.
How many hinges come in a pair?
A pair consists of two hinges.
Can I use these on non-fire rated doors?
Yes, they can be used on any standard timber door where 4-inch hinges are suitable, offering the benefit of their fire rating and smooth operation.
What is the finish of these hinges?
The finish is polished chrome, offering a bright, reflective, and modern look.
Are the screws included?
Yes, each pair of hinges is supplied with matching screws for installation.
What are the exact dimensions of the hinge?
The dimensions are 4 inches in length (102mm), 3 inches in width (76mm), and 3mm in thickness.
Do these hinges require regular maintenance?
No, they are self-lubricating and designed for low maintenance. Regular cleaning of the finish with a soft cloth is recommended.
Troubleshooting
Door squeaks or is stiff
While designed to be self-lubricating, check that screws are tight and the door is properly aligned. In rare cases, a small amount of appropriate lubricant may be applied to the ball bearings, but avoid over-application.
Hinges do not align with existing mortises
Carefully chisel out the mortises to match the hinge dimensions (102mm x 76mm x 3mm). Ensure precise fitting for optimal performance.
Screws do not tighten properly
The screw holes in the timber may be stripped. Consider using longer or wider screws, or filling the holes with wood filler or dowels before re-inserting the screws.
Pros and Cons
Pros
- Meets fire safety standards for timber doors.
- Smooth and quiet operation due to ball bearings.
- Durable steel construction for long-lasting use.
- Attractive polished chrome finish.
- Includes all necessary screws for installation.
Cons
- Sold only in pairs, may require ordering multiple sets for multiple doors.
- Specific dimensions might not fit all pre-existing hinge mortises without adjustment.
- Primarily designed for timber doors, compatibility with other materials may vary.
Setup, Compatibility & Care
Setup:
- Ensure the door and frame are prepared with appropriate mortises for 4-inch hinges.
- Position the hinges on the door and frame, aligning them correctly.
- Use the provided matching screws to securely fasten each hinge.
- Test the door's swing for smooth operation.
Compatibility:
- These hinges are specifically tested and suitable for 30 & 60 minute timber fire doors.
- The 4-inch (102mm x 76mm x 3mm) dimensions are standard for many internal and external doors.
- Ensure the weight of the door is within the load-bearing capacity of these hinges.
Care:
- To maintain the polished chrome finish, clean with a soft, damp cloth.
- Avoid using abrasive cleaners or chemicals, which can damage the finish.
- Periodically check screws for tightness to ensure optimal performance.