Roofing SWMS Australia: What Roofers Need to Include

Roofing is one of the highest-risk jobs in Australian construction, and falls from and through roofs are a leading cause of serious injury and death in the industry. This guide explains when a Safe Work Method Statement is legally required for roofing work under the model WHS Regulations, and, more usefully, what a genuinely protective roofing SWMS has to cover: access, fragile surfaces, edge protection, the hierarchy of control for falls, harness and rescue planning, asbestos on older roofs, weather and the competencies your crew needs. Fall requirements and licensing vary between states and territories, so check the rules that apply where you work.

Does roofing work need a SWMS?

Not automatically, and it is worth being precise, because roofers are often told "all roof work needs a SWMS" as if it were a blanket rule. What the model WHS Regulations actually say is that a SWMS is required for high-risk construction work, and roofing usually falls into that because of the fall risk: construction work involving a risk of a person falling more than two metres is high-risk construction work. Most pitched-roof and many low-slope jobs sit above that threshold, so in practice a roofing SWMS is required far more often than not, but the trigger is the fall risk (or another high-risk category on the job), not the word "roof". Other high-risk categories frequently apply on roofing jobs too: work on or near energised electrical services, work involving asbestos, work adjacent to a traffic corridor, or work where there is movement of powered mobile plant. Any one of them triggers a SWMS independently.

What a SWMS must contain

Under the WHS Regulations a SWMS must identify the high-risk construction work, specify the hazards and risks, describe the control measures, and describe how those controls will be implemented, monitored and reviewed. It must be developed in consultation with the workers doing the job, be prepared before work starts, be kept readily accessible on site, and be followed, if work stops matching the SWMS, work stops until it is corrected. For roofing, the SWMS should be specific to this roof: its pitch, its material, its condition, its edges and openings, and the weather it will be worked in. A generic roofing SWMS that could apply to any roof is usually the sign of a document that is filed rather than followed.

Work down the hierarchy of control, not harness-by-default

The most important idea in a roofing SWMS is that a harness is the last line of defence, not the first. The WHS Regulations require you to manage the risk of falls by working down a hierarchy: first, can the work be done without anyone being exposed to the fall, for example by prefabricating or assembling at ground level and lifting the finished section into place? If not, provide a fall-prevention device such as temporary edge protection, guardrails or a perimeter scaffold that stops a fall happening at all. Only where those are not reasonably practicable do you move to a work-positioning system, and only after that to a fall-arrest system (harness and rated anchor) that catches a fall after it starts. A SWMS that jumps straight to "workers will wear a harness" has skipped the controls that actually prevent the fall.

Roof access and egress

The SWMS should start with how people and materials get onto and off the roof safely, ladders secured top and bottom and at the right angle (around 4:1), a stair tower or scaffold where the work justifies it, or an elevating work platform for some tasks. Access is where a large share of roofing falls happen, so it deserves its own attention rather than being assumed. Raising and lowering materials safely, hoists, gin wheels, or an EWP rather than carrying loads up a ladder, belongs here too, because a person carrying materials up a ladder has no hands to hold on with.

Fragile surfaces and skylights, the roofing killer

This is the hazard that catches experienced people out. Fibre-cement and asbestos-cement roof sheeting, polycarbonate and translucent sheeting, rusted or corroded metal, and skylights and rooflights can all look walkable and are not. Falls through fragile surfaces, very often through a skylight painted or aged to blend into the roof, are one of the most common fatal roofing incidents in Australia. The SWMS must identify the fragile surfaces on the specific roof and set out exactly how they are controlled: never walk on them; install covers, guardrails or mesh below or around skylights; provide crawl boards or roof ladders that spread load; and where there is any doubt about a surface, treat it as fragile until proven otherwise. Assuming a roof will bear weight is not a control.

Edge protection, openings and falling objects

Roof perimeters and openings need edge protection chosen and installed before anyone works near the edge: guardrails, temporary roof-edge protection to the relevant standard, or a perimeter scaffold. Openings, access holes, incomplete sections, penetrations, need covering or guarding so no one steps into them. Below the roof, falling tools and materials threaten other trades and the public, so the SWMS should cover toe boards, containment, and exclusion zones beneath and around the work. Because roof work is exposed, wind, rain and heat conditions, and a clear rule to stop work when they turn, belong in the SWMS. Wind matters more than people expect: a sheet of roofing acts like a sail, and handling sheets in gusts is a serious hazard both to the person and to anyone below.

Harness systems and the rescue plan

Where fall arrest is genuinely the control, the SWMS has to make it work as a system, not just a piece of equipment. That means rated, inspected anchor points suitable for the roof and the load, correctly fitted and inspected harnesses and lanyards, a lanyard length and configuration that limits the fall and the swing, and, the step most often missed, a rescue plan. A worker suspended in a harness after a fall is in danger from suspension trauma within minutes, so the SWMS must set out how a fallen worker will be retrieved quickly, by whom, and with what equipment. "Call 000" is not a rescue plan on its own. Harness anchors, equipment inspection records and worker training all sit behind this control.

Asbestos on older roofs

Roofs on buildings constructed before the late 1980s, and up to 2003 for some products, may contain asbestos-cement sheeting, and disturbing it (cutting, drilling, breaking, water-blasting) releases fibres. The SWMS must address whether asbestos is present, refer to the workplace asbestos register where one exists, and set out that suspected asbestos is not cut, drilled or disturbed and that asbestos removal is done by a licensed removalist within the limits set by the WHS Regulations. Where asbestos work is part of the job, it is its own high-risk activity with its own controls, do not fold it silently into a general roofing method.

Hot works and other roof-specific risks

Some roofing methods bring their own hazards. Torch-on membrane and other hot works create a fire risk that needs a hot-work permit, a fire watch, extinguishers to hand and a cool-down period. Metal roofing and solar installation bring electrical and manual-handling risks. The SWMS should reflect the actual method being used rather than a generic roofing description.

Competence, White Cards and the wider record

Everyone on a construction site needs a general construction induction card, the White Card. Where access involves scaffolding above four metres or a boom-type EWP, the workers need the relevant high-risk work licence and competence for that equipment too, see scaffolding SWMS where a scaffold is part of the access. As a roofing business, the SWMS is only one document in a bigger compliance picture: White Cards, high-risk work licences, plant inspections, harness and anchor inspection records, insurances and, for older buildings, asbestos records all need to be current and produceable. Complys keeps that evidence alongside the job and flags what is expiring, which is what construction compliance software is for.

Consult, implement, monitor and review

Develop the SWMS with the crew who will do the work, they know the roof and the real hazards, induct everyone into the method, and record their sign-on. Record how each control is implemented and monitored, and review the SWMS whenever the roof, the method, the crew or the weather changes. On a roof, conditions change through the day; the method has to keep up, and the crew has to know that if the job stops matching the SWMS, the work stops until it is fixed.

Roofing SWMS checklist

• The high-risk work and exactly where the fall risk arises on this roof
• Hierarchy of control applied, prevent the fall before relying on a harness
• Safe roof access and egress, and raising/lowering materials
• Fragile surfaces and skylights identified and controlled
• Edge protection to perimeters and covers to openings
• Falling-object controls and exclusion zones for people below
• Fall-arrest system with rated anchors, inspected harnesses and a written rescue plan
• Asbestos on older roofs identified and managed / licensed removal
• Hot works permit and fire controls where used
• Weather limits and stop-work triggers, especially wind
• White Cards and access competencies (scaffold/EWP)
• Worker consultation, induction and recorded sign-ons
• Monitoring, stop-work trigger and review points

Building a roofing SWMS? You can create it, keep it with the job and maintain your compliance records in Complys. See also working at heights SWMS, how to write a compliant SWMS, and construction compliance software for the wider job, free for 30 days.