The main design criteria for the guards are:
1) to be neat and unobtrusive from the ground.
2) to be tough and virtually impossible to knock off the pot (not fitted with hook bolts!)
3) to still enable a modern sweeps brush to enter the guard and reverse.
4) to comply with the requirements for DFE gas fires. ( BS 5871.2 2005)
5) to comply with the requirements of Building Regulations, Document J
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