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Duckbilling t1_j6jroe2 wrote

Reply to comment by Scaith71 in Why rubble blocking a door is so deadly- completly impossible to open. by DAAA_DOOM_SLAYER

Actually, if it’s a commercial building the interior doors are required by fire code to be ‘Hollow metal fire doors’ or HMD’s for short. and the exterior doors are not, but the exterior doors are usually HMD’s anyway, unless it’s a glass aluminum storefront door at the main entrance.

I repair/replace/install doors and frames for a living.

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