The demands placed on roof safety hooks are set down in the EN 517 standard entitled "Prefabricated accessories for roofing - Roof safety hooks".
The central topics covered by this standard include the materials from which roof safety hooks are manufactured, their load-bearing capacity and the load-bearing capacity of their respective installation accessories (bolts etc.). The standard also defines the type and scope of the examinations required to attain certification.
Further information on this topic can be found in our entry on rook safety hooks.
Anchorage point + ladder hook in one - simply screwed onto a beam through the insulation
Anchorage point + ladder hook in one - screwed onto a beam through over-rafter insulation