Fire Door Casing Thickness

Standard interior door jamb thickness on pre hung doors is 4 9 16 inches.

Fire door casing thickness.

Trenched casings have grooves cut into them so that they fit together quickly and easily for a smooth installation. Door casing and window trim are typically the same width and are interchangeable. They come with a timber stop already in place which is used to prevent any swing through helping to save time on fitting one separately. Wall thickness 1 1 2 38 1 mm 3 3 4 95 25 mm min.

Fire doors help to prevent the spread of flames and smoke for up to 30 or 60 minutes in the event of a fire. The thickness is typically 1 2 inch but can range up to 3 4 inch thick for a more substantial casing or more detailed profile. Wall thickness 3 3 4 95 25 mm min. The door and frame assembly is fire rated with a 1 1 2 hours fire rating.

The doors come factory glazed with high performance lowe dg units and the whole set is factory finished in anthracite grey. Our door casings are constructed from premium quality softwood and are certified by certifire to withstand fire and fumes for up to 30 minutes. When fitted correctly this type of fireproof equipment provide vital protection to anyone inside a building giving time to either get to safety or to be rescued. The door panel and frame are both made from galvanneal steel to secure and protect your home or building.

The set comprises an 1800mm 6 wide pair of doors and a frame that will accomodate the doors plus 1 or 2 fixed sidelights of nominal width 450mm or 600mm available separately. These casings are ready for painting or staining to suit your chosen style of door. Ensure your fire rated door maintains its integrity by fitting our untrenched fire rated door casings. Door casings are decorative trims that also make up part of the support needed for hanging and holding an entranceway in position.

Casings are wooden frames used to hang your internal doors. Our casings are available in a range of sizes and are made from fsc certified timber so you are making the right choice for the environment and your home. The most widely used door casing is 2 1 4 inches in width but can range up to 3 inches. The frame is compatible with walls that have a thickness of 4 7 8 in.

Many trim designs begin with door casing. 60 minute fire doors frames should be made of hardwood with a density greater than 650 kg m 3. 30 minute fire doors frames or linings can be made of softwood with a minimum density of 450 kg m. With a selection of sizes and a fire rated version it is easy to find.

And can be used with new masonry and drywall construction when the wall is being built.