How To Fit A Fire Door Chain

Hi i live in an old victorian house converted into flats my front door has 2 normal hinges and a small chain halfway down going from the doorframe into the door how do i take it off so i can put it back on again.

How to fit a fire door chain.

Fitting fire doors is virtually the same as fitting an interior door but some tips though are offered here. If your door does not already have grooves you will need a router and the router bit must match the size of the strip you are fitting. Additionally before marking them use a small spirit level such as a boat float to make sure the keep is level. I presume these are fire doors.

All hardware fitted to fire doors must comply with fire rating approvals. Most new fire doors will come with pre routed grooves to fit the intumescent strips into. Fire doors are not ordinary doors they are a carefully engineered fire safety device and are critical to the fire safety of a building. If unsure please check with new zealand fire doors or refer to the design guide on our website www nzfiredoors co nz.

Cut the strip to the desired length to match the height of the door. Mark the position of the closer on the hinge edge of the open door. When the door is opened the chain is pulled out of the barrel and compresses or extends the spring. Read the a dvice on how to fit our safety rated fire doors it really will help you understand the subtle differences the important thing to note is that fire doors are thicker.

Step 1 drilling the hole. There is only strength adjustment on perko door closers you can take off plate on frame and wind it anticlockwise this will slow the closing speed but may be too weak to close door should be done by someone with experience of perkos as it is under tension so you can either fit unsightly overhead closers with good adjustments or you can fit fire and smoke. Once you have ensured it is level and you have made your marks drill your pilot holes as before. Video showing how to fit interior door hinges.

When you are sure of position of chain keep and mark it hold the keep in position or mark the holes if needed with a pencil or pen. The spring then causes the door to be pulled closed as it returns to its normal state. All fire doors are required to have door closers and a self latching or locking system. Make sure the mark is in the middle of the door edge.