![Back-2-Basics: Hinge Types and Applications - I Dig Hardware - Answers to your door, hardware, and code questions from Allegion's Lori Greene. Back-2-Basics: Hinge Types and Applications - I Dig Hardware - Answers to your door, hardware, and code questions from Allegion's Lori Greene.](http://idighardware.com/wp-content/uploads/2011/09/Wide-Throw-Hinge-Formula.jpg)
Back-2-Basics: Hinge Types and Applications - I Dig Hardware - Answers to your door, hardware, and code questions from Allegion's Lori Greene.
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FD60 - 60 Minute Fire Rated - Double Action Spring Hinges - For Double Swing Doors - Silver Grey | G Johns & Sons
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Double Action Self Closing Fire Door Spring Hinge - 150mm Length - FD30 - Silver - Pack of 3 | IronmongeryDirect | Same Day Despatch
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KATSU Double Action Spring Hinges 6" 150mm, 1 Pair with Screws Stainless Steel Dual Swinging Door Hinges for Saloon Cafe Kitchen Internal and External Doors 54611060 : Amazon.co.uk: DIY & Tools
![Back-2-Basics: Hinge Types and Applications - I Dig Hardware - Answers to your door, hardware, and code questions from Allegion's Lori Greene. Back-2-Basics: Hinge Types and Applications - I Dig Hardware - Answers to your door, hardware, and code questions from Allegion's Lori Greene.](https://idighardware.com/wp-content/uploads/2011/09/Swing-Clear-Hinge-Open.jpg)