Invisidoor is the premium American-engineered secret door hinge system — held in UK stock by LLCompany for fast UK delivery, with UK customer support and no import delays. This collection includes the complete Invisidoor system: the hinge kit and the Secret Book Pull accessory.
The Invisidoor Hinge Kit transforms any bookcase into a fully functioning hidden door — swinging inward or outward to reveal a concealed room, office, wine cellar, utility space or secret study. The system works with both the Invisidoor Universal Bookcase and custom-built bespoke joinery.
What's in the hinge kit:
- Four powder-coated steel hinge plates
- Universal support foot
- All fasteners required for installation
- Full installation instructions
Swing options:
- Inswing — door opens into the hidden room
- Outswing — door opens into the main room
- Left or right hand hinge placement
Popular applications:
- Secret home office or study behind a living room bookcase
- Hidden wine cellar or utility room in a kitchen
- Concealed bathroom behind a hallway bookcase
- Private meeting room in a commercial or hospitality setting
Complete the system:
- Invisidoor Hinge Kit — the heavy-duty pivot hinge system that transforms a bookcase into a hidden door. From £226.05
- Secret Book Pull — a disguised dummy book that triggers the door latch, completing the hidden door illusion. Compatible with inswing and outswing applications
- Library ladder systems — combine a rolling bookcase ladder with Invisidoor for the ultimate hidden library
Professional installation is recommended for the best result. We work regularly with joinery companies, kitchen designers, architects and interior designers — trade accounts are welcome. Contact us to discuss your project or request a call back.
New to secret bookcase doors? Read our complete guide to how they work and what hardware you need.
Secret Bookcase Door Hinge Kit | Invisidoor Collection
Invisidoor Hinge FAQs
What is the Invisidoor Hinge Kit?
The Invisidoor Hinge Kit is a versatile hinge system designed to transform any standard door into a hidden or concealed door. It offers a simple and efficient solution for creating concealed entrances.
Can the Invisidoor Hinge Kit be used for both inswing and outswing doors?
Yes, the Invisidoor Hinge Kit is designed to be adaptable. You can use it for both inswing and outswing doors, and it provides options for left or right hinge placement, ensuring flexibility for your specific needs.
What comes in the Invisidoor Hinge Kit package?
The kit includes four durable, powder-coated steel hinge plates, a universal support foot, and all the necessary fasteners required for installation.
How difficult is the installation process for the Invisidoor Hinge Kit?
Installation is straightforward and user-friendly. It's designed to be one of the easiest hinge systems to install on the market. Detailed installation instructions are included with the kit to guide you through the process.
Is the Invisidoor Hinge Kit compatible with the Invisidoor Universal Bookcase?
Yes, the Invisidoor Hinge Kit is compatible with the Invisidoor Universal Bookcase, providing seamless integration for a hidden door within your bookcase.
Invisidoor Book Pull FAQs
What is the Invisidoor Secret Book Pull?
The Invisidoor Secret Book Pull is a cleverly designed accessory that disguises your concealed door as a book on your shelf. It adds an element of intrigue and sophistication to hidden door solutions.
How does the Secret Book Pull work?
The Secret Book Pull operates with a simple, hidden mechanism. A gentle pull or slight movement activates the door catch, allowing you to access the concealed room or area.
Can the Secret Book Pull be customized to blend with my book collection?
Yes, the Secret Book Pull is crafted to blend seamlessly with your existing book collection. It can be customized to match the appearance and size of your books, ensuring that it remains discreet and indistinguishable.
Is it difficult to install the Invisidoor Secret Book Pull?
Installation is relatively simple, and it can be integrated into your bookshelf without extensive expertise. Detailed installation instructions are included with the product.
Does the Secret Book Pull work with all types of hidden doors?
The Secret Book Pull is compatible with various concealed door solutions, adding a layer of intrigue to your space. It can be used with Invisidoor's hinge system and other hidden door options.
More Help
More questions?
Contact the Library Ladder Company
Should you have any questions about our Invisidoor collection, please get in touch with the Library Ladder Company team by sending an e-mail to info@thelibraryladdercompany.co.uk. Our friendly staff will respond to your enquiries with more information as soon as possible, and are always happy to offer expert advice.
In the meantime, you can peruse our Frequently Asked Questions to find out more about Invisidoor Hinge Kit and Secret Book Pull and how to install them.
