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7.2.3
On timber doors the absolute minimum amount of wood should be removed in order to reduce the risk of fire or smoke penetration
through the door.
7.2.4
The use of intumescent sleeves around the fixing holes is always
recommended for timber doors and might be a requirement of the applicable fire performance assessment schedule in some cases.
7.3 Commentary
7.3.1
The material used in the construction of lever handles, knobs and pull handles/protection plates has not been found to greatly affect
the fire performance of the timber doorsets to which they are fitted. Therefore it is not possible to state that any material is better than another in this regard. For metal doors, steel-cored plastic handles
should not be fitted to the unexposed face without supporting test
evidence. Experience has shown that such fittings are susceptible to melting and ignition of the plastic on the unexposed face of the door.
7.3.2
On timber doors the absolute minimum amount of wood should be removed in order to reduce the risk of fire or smoke penetration
through the door.
7.2.4
The use of intumescent sleeves around the fixing holes is always
recommended for timber doors and might be a requirement of the applicable fire performance assessment schedule in some cases.
7.3 Commentary
7.3.1
The material used in the construction of lever handles, knobs and pull handles/protection plates has not been found to greatly affect
the fire performance of the timber doorsets to which they are fitted. Therefore it is not possible to state that any material is better than another in this regard. For metal doors, steel-
evidence. Experience has shown that such fittings are susceptible to melting and ignition of the plastic on the unexposed face of the door.
7.3.2
Section 7 - Door Furniture