According to nfpa 80 section 6 4 3 4 steel shims are the only acceptable shim to be used when shimming fire rated door assemblies.
Metal door hinge shims.
Hinge shims are available in three sizes.
Cedar shims 12 piece per bundle model wsshw08 1 48 bundle 1 48 bundle.
Set your store to see local availability add to cart.
Nelson wood shims actual.
Most residential interior door applications call for 3 5 hinge shims while the larger hinge shims are designed for larger interior exterior steel doors and frames.
Most commercial installers do not know of this requirement.
In the past if a steel door needed a minor adjustment a specialized tool was used to bend the hinge.
Starting with the top hinge remove the hinge and add a steel shim between the leaf of the hinge and the door or frame.
Wood contractor shim 42 pack model 234500 4 98 package 4 98 package schedule delivery.
Remove the screws from the hinge you need to shim using a screwdriver or a drill and screwdriver bit.
Rockwood hs44 steel hinge shim 1 7 16 width x 4 1 2 height x 0 065 thick galvanized coat finish pack of 50.
0 25 in x 1 25 in x 11 75 in 42 pack fir wood shims.
3 5 4 and 4 5.
Rockwood hs44 steel hinge shim 1 7 16 width x 4 1 2 height x 0 065 thick galvanized coat finish pack of 50.
Repeat this process for each hinge on the unit.
Use two shims that are each half the thickness of those just used to minimize the gaps and allow the hinge leaf surfaces to remain flush with the rabbet and backset surfaces.
Item 3982 model csh12 42 12 48b.
Rockwood hs44 steel hinge shim 1 7 16 width x 4 1 2 height x 0 065 thick galvanized coat finish pack of 50.
Slide the shim behind the hinge that needs the extra spacing then drive the screws back in tightly and check the operation of the door.