Roof Safety Mesh Requirements

Safety mesh does not control the risk of falling from the perimeter or through penetration hazards.

Roof safety mesh requirements.

Appropriate lifting technique for long roof conforms to as nzs 4389 2015 roof safety mesh is installed by a competent person in a safe manner and in accordance with the manufacturer s instructions. In order to better understand safety mesh please see the terms of roof safety mesh. Longitudinal wire must face down with the cross wires facing up all longitudinal wires need to be wrapped around or through drilled holes in the purlins and tied off with a minimum of. All mesh is to be lapped minimum of 150mm one square for purlins 2200 or greater to be lapped.

For purlin spacing 1200 2200 mm fasteners to be fitted at maximum of 900 mm centres and minimum single lap. If safety mesh is used ensure it. For purlin spacing greater than 2200 mm fasteners to be fitted at maximum 600 mm centres and minimum double lap. 9 installation requirements 9 1 general the installation of roof safety mesh shall comply with the requirements of clauses 9 2 and 9 3.

Safety mesh does not prevent falls from the edge of a roof or through unmeshed holes in a roof so. Regarding safety net openings osha requires all openings to not exceed 36 square inches nor six inches on any side. Therefore safety mesh always needs to be used with appropriate edge protection guardrails or fall arrest systems and devices. Staging on the roof surface to spread the loads safety mesh secured under fragile roofing or skylights.