Mineral Core Door

Doors available in 45 or 60 minute fire ratings up to 3 0 x 8 0 manufactured to the current georgia pacific or marshfield door systems specifications.

Mineral core door.

Firedefender mineral core material fills most of the space in the interior of a door. Oregon door s acoustic doors provide superior sound control to meet the specialized design and performance requirements of varied building projects. Ceco door produces the best steel fire doors in the industry. Up to stc 35 with fire rated mineral core.

With mineral fiber cores these doors can stand up to the larges blaze for 3 hours no problem. This requires internal wood blocking in the core to allow hardware to fasten securely. They weigh less and are expected to cost less than solid core. Ceco door is an assa abloy company.

Navy island s mineral core doors have fire ratings of 45 minute 60 minutes and 90 minute while providing uncompromising durability and aesthetics. The available door thickness is a nominal 1 3 4. Solid core doors represent an interim construction method in which a fine grade surface wood veneer is glued over a solid core made of engineered wood such as fiberboard or masonite. Temperature rise ratings can be 250 450 or 650 degrees where the lower.

Hollow core doors are usually purchased for two basic reasons. Fire resistant mineral core doors are available. Mineral fire doors consist of the mineral core itself with lengths of firestop material used for stiles rails and blocking. Mineral composite frame in 1 3 4 door.

Mineral core is an asbestos free mineral based product that meets the criteria for 45 60 and 90 minute fire rated doors fire rated options non rated 20 minute 45 minute 60 minute 90 minute and 3 hr. It is relatively light in density at approximately 32 pounds per cubic foot. It has excellent thermal properties and through bolting is allowed but it is not intended to provide screw holding capabilities. This material has properties that reduce the heat that is transferred through the door to the non fire side of the opening.

Mineral core doors utilize a mixture of noncombustible minerals and are only used in doors that require fire ratings of 45 60 or 90 minutes. Hollow metal doors can be specified with a temperature rise rating which will require a sheet of mineral board inserted into the door. Solid core wood doors can be used for either exterior or interior doors. Up to stc 32 with structural composite lumber core.