![BWF-Fire-Door-Alliance on Twitter: "We developed gap testers to provide a practical way to help check the size of #firedoor gaps. They do not replace the need for full fire door inspections but BWF-Fire-Door-Alliance on Twitter: "We developed gap testers to provide a practical way to help check the size of #firedoor gaps. They do not replace the need for full fire door inspections but](https://pbs.twimg.com/media/EmZbAGAXIAIk8cv.jpg)
BWF-Fire-Door-Alliance on Twitter: "We developed gap testers to provide a practical way to help check the size of #firedoor gaps. They do not replace the need for full fire door inspections but
clinking_glasses::fire: When you're dead inside but it's still the weekend :tada::balloon: - - - - - #thelittleorangedoor #claphamcommonbars... | By The Little Orange Door | Facebook
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