[{"@context":"https:\/\/schema.org\/","@type":"BlogPosting","@id":"https:\/\/hoogerhydesafe.com\/2014\/05\/vault-doors-importance-seals\/#BlogPosting","mainEntityOfPage":"https:\/\/hoogerhydesafe.com\/2014\/05\/vault-doors-importance-seals\/","headline":"Vault Doors:  Importance of Seals","name":"Vault Doors:  Importance of Seals","description":"In my last blog about vault doors, I mentioned the ridiculous fire ratings that some manufacturers claim to have, based solely on how much drywall insulation they use when their doors have never been tested.\u00a0 Now consider the seals used between the doors and frames. To see the importance of seals on vault doors read&hellip;","datePublished":"2014-05-01","dateModified":"2019-01-16","author":{"@type":"Person","@id":"https:\/\/hoogerhydesafe.com\/author\/grandesigns\/#Person","name":"Admin","url":"https:\/\/hoogerhydesafe.com\/author\/grandesigns\/","image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/302e0bd4e1d62d1d917293ff473387856858f266d762e7754946563505fc1cc9?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/302e0bd4e1d62d1d917293ff473387856858f266d762e7754946563505fc1cc9?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"Hoogerhyde Safe and Lock","logo":{"@type":"ImageObject","@id":"https:\/\/hoogerhydesafe.com\/wp-content\/uploads\/2018\/07\/Hoogerhyde-logo.png","url":"https:\/\/hoogerhydesafe.com\/wp-content\/uploads\/2018\/07\/Hoogerhyde-logo.png","width":600,"height":217}},"image":{"@type":"ImageObject","@id":"http:\/\/www.tomziemer.com\/wp-content\/uploads\/2014\/05\/ANTIQUES-5-1-14-001-300x200.jpg","url":"http:\/\/www.tomziemer.com\/wp-content\/uploads\/2014\/05\/ANTIQUES-5-1-14-001-300x200.jpg","height":"200","width":"300"},"url":"https:\/\/hoogerhydesafe.com\/2014\/05\/vault-doors-importance-seals\/","about":["Uncategorized"],"wordCount":299,"keywords":["Amsec gun safes","Fort Knox gun safes","safe contruction","Vault doors"],"articleBody":"In my last blog about vault doors, I mentioned the ridiculous fire ratings that some manufacturers claim to have, based solely on how much drywall insulation they use when their doors have never been tested.\u00a0 Now consider the seals used between the doors and frames.To see the importance of seals on vault doors read my last few postings about gun safes.\u00a0 Look at the test data that shows how poorly most of them (all of which use a single heat-expanding seal) perform \u2013 how heat and smoke can infiltrate the safe before and after the expanding seal actually expands.\u00a0 The insulation in gun safes creates a positive steam pressure, because of the small confined interior space, to help push out the really hot air and smoke.\u00a0 This phenomenon will not occur with a walk-in vault because the interior space is so large. \u00a0So an effective cold seal, in addition to an expanding seal, are even more important on a vault door than on a safe.\u00a0 And yet most vault door manufacturers use a single, expanding type seal.Expanding seal on door edge, cold seal in door jambAmerican Security vault doors are built and sealed the same way as their BF safes, the safes that did so well in the fire test. \u00a0It is logical that their vault doors will work the same way.\u00a0 I suspect that Fort Knox vault doors would perform in a similar way too because they have both cold and heat expanding seals.When you look to buy a vault door, do not trust any claim the manufacturer makes about a &#8220;fire rating&#8221;, unless it has been tested and certified by U.L.\u00a0 The best you can do is to get one in which the door fits tight and there are two kinds of seals."},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"2014","item":"https:\/\/hoogerhydesafe.com\/2014\/#breadcrumbitem"},{"@type":"ListItem","position":2,"name":"05","item":"https:\/\/hoogerhydesafe.com\/2014\/\/05\/#breadcrumbitem"},{"@type":"ListItem","position":3,"name":"Vault Doors:  Importance of Seals","item":"https:\/\/hoogerhydesafe.com\/2014\/05\/vault-doors-importance-seals\/#breadcrumbitem"}]}]