Fire Door Casing Thickness

30 minute fire doors frames or linings can be made of softwood with a minimum density of 450 kg m.

Fire door casing thickness.

Wall thickness 1 1 2 38 1 mm 3 3 4 95 25 mm min. Casings are wooden frames used to hang your internal doors. Wall thickness there are no restrictions on casing sizes intumescent caulking 5 5 16 135 mm wall thickness use intumescent caulking on all voids between frame and wood or metal studs there are no restrictions on casing sizes. The doors come factory glazed with high performance lowe dg units and the whole set is factory finished in anthracite grey.

The frame is compatible with walls that have a thickness of 4 7 8 in. With a selection of sizes and a fire rated version it is easy to find. Door casing and window trim are typically the same width and are interchangeable. Door casings are decorative trims that also make up part of the support needed for hanging and holding an entranceway in position.

Fire doors help to prevent the spread of flames and smoke for up to 30 or 60 minutes in the event of a fire. Standard interior door jamb thickness on pre hung doors is 4 9 16 inches. 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 3 3 4 95 25 mm min.

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 thickness is typically 1 2 inch but can range up to 3 4 inch thick for a more substantial casing or more detailed profile. The door and frame assembly is fire rated with a 1 1 2 hours fire rating. Trenched casings have grooves cut into them so that they fit together quickly and easily for a smooth installation.

Many trim designs begin with door casing. And can be used with new masonry and drywall construction when the wall is being built. Ensure your fire rated door maintains its integrity by fitting our untrenched fire rated door casings. These casings are ready for painting or staining to suit your chosen style of door.

60 minute fire doors frames should be made of hardwood with a density greater than 650 kg m 3. The door jamb is the frame that installs in the wall and supports the door via hinges. The most widely used door casing is 2 1 4 inches in width but can range up to 3 inches. Our door casings are constructed from premium quality softwood and are certified by certifire to withstand fire and fumes for up to 30 minutes.

Door frames should be purchased from the door manufacture or from a company licensed to manufacture them or via a bwf approved fire door centre.