Litas Mainstone Plumbing & Gas is an award-winning Perth plumbing contractor delivering premium residential, commercial and industrial plumbing and gas fitting services across the metropolitan area. Established in 2005, the company has built an outstanding reputation for quality workmanship, innovative solutions and exceptional customer service, undertaking projects ranging from luxury home builds and renovations to large-scale commercial and industrial developments. Founded by Chris Litas and Chad Mainstone, the business combines decades of industry experience with a highly skilled team of licensed plumbers and gas fitters. Litas Mainstone is recognised for its collaborative approach, technical expertise and commitment to delivering reliable plumbing solutions that stand the test of time.
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Jewelbic Plumbing & Gas is a Perth-based plumbing and gas contractor delivering high-quality residential, commercial and maintenance plumbing services across Western Australia. Based in Osborne Park and operating since 2014, the business has built a strong reputation for reliable workmanship, attention to detail and responsive customer service. Led by Managing Director Chad Djulbic and a team of around 30 licensed plumbers, gas fitters and trade assistants, Jewelbic delivers everything from blocked drains, burst pipes and hot water repairs through to programmed commercial maintenance, office and medical fitouts, large-scale renovations and new commercial construction projects. With more than 12 years of industry experience, Jewelbic Plumbing & Gas services residential homeowners, builders, commercial clients and facility managers throughout the Perth metropolitan area. The company is part of the broader Jewelbic Group, which also includes Jewelbic Electrical, Jewelbic Building & Maintenance and Jewelbic Brothers, allowing integrated multi-trade delivery on larger projects.
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Siphonic Solutions is a specialist Australian design and construction company dedicated exclusively to siphonic roof drainage systems. Headquartered in Perth with additional operations supporting projects nationally, the business has over 25 years of industry experience and has successfully delivered more than 600 projects across every Australian state and territory. Working closely with architects, hydraulic consultants, builders, developers and commercial plumbing contractors, Siphonic Solutions provides complete design, engineering, supply, installation and certification services for complex roof drainage systems. The company is recognised for its technical expertise, innovative engineering solutions and ability to deliver efficient, cost-effective drainage outcomes for large-scale commercial, industrial and institutional developments. By specialising exclusively in siphonic drainage technology, Siphonic Solutions helps clients maximise building efficiency, reduce construction costs and improve drainage performance through highly engineered systems tailored to each project's requirements.
Boeing Plumbing is a Western Australian plumbing business and part of the ABN Group, providing plumbing services to ABN Group’s residential building brands and a range of external residential and commercial clients. Created in 1978 to service the needs of ABN Group’s residential builders, Boeing Plumbing has grown into one of the largest domestic plumbing operations in Western Australia. With services across maintenance plumbing, gas fitting, renovations plumbing and light commercial work, Boeing Plumbing supports builders, homeowners and commercial clients with reliable plumbing solutions backed by ABN Group’s integrated construction network. The business provides plumbing services to brands including Homebuyers Centre, Celebration Homes, Dale Alcock Homes, Dale Alcock Homes South West and Webb & Brown-Neaves
IBAC Plumbing & Trade Services are based in Kununurra and have been providing reliable plumbing and trade services across the East Kimberley for over 20 years. Our experienced team handles everything from residential/commercial plumbing, renovations, through to landscaping, real estate maintenance, and ongoing school repairs. We’re trusted by local government, property managers, and homeowners alike for our fast response times, 24/7 emergency support, and quality work that’s done right the first time. Whether it’s a quick fix or a full-scale project, we make it easy with free quotes, honest pricing, and a skilled team that shows up on time and gets the job done properly.
The Last Drop Plumbing Company is a family-owned and operated plumbing business servicing Jurien Bay and surrounding regional communities throughout Western Australia. Specialising in residential plumbing maintenance, blocked drains, hot water systems, drain repairs and emergency plumbing services, the business provides reliable solutions tailored to homeowners and property owners. Operated by a father, mother and son team, The Last Drop Plumbing Company is known for its honest pricing, clear communication and commitment to quality workmanship. With a strong focus on customer service and dependable results, the business has built a reputation for delivering professional plumbing services that homeowners can trust.
Jackson’s Plumbing Contractors Pty. Ltd., trading as Jackson’s Plumbing & Gas, is a locally owned and family-operated plumbing and gas fitting business based in Exmouth, Western Australia. Trusted by the local community for more than 36 years, the business delivers plumbing and gas services across residential, commercial and industrial properties throughout Exmouth, Coral Bay and surrounding regional areas. Its services include general plumbing maintenance, emergency repairs, blocked drains, leak detection, burst pipes, sewer works, gas fitting, hot water systems, reverse osmosis filtration, water softeners, liquid waste removal, fresh water delivery, new construction and renovations. The business also provides pool, pressure and bore pump services, garden reticulation and specialised regional plumbing support. Available 24 hours a day, seven days a week, Jackson’s Plumbing & Gas is known for responsive service, transparent pricing and strong local knowledge. As a member of The Master Plumbers and Gasfitters Association WA, the business is committed to licensed workmanship, professional industry standards and dependable plumbing services for the Exmouth community.
LRD Plumbing & Excavation is a trusted Broome-based plumbing and excavation contractor servicing residential, commercial, government, pastoral and construction clients throughout Broome and the Kimberley region. Known for its reliable service, quality workmanship and regional expertise, the company specialises in plumbing maintenance, excavation, drainage, gas fitting, civil works and earthmoving solutions. With extensive experience working in the unique conditions of Northern Western Australia, LRD Plumbing & Excavation delivers practical, cost-effective plumbing and excavation solutions backed by experienced tradespeople, modern equipment and a commitment to completing every project safely, efficiently and to a high standard.
JC Plumbing & Gas WA is a locally owned plumbing and gas fitting contractor based in Manjimup, providing professional plumbing services throughout the South West of Western Australia. The business supports residential, commercial, industrial and rural clients with dependable plumbing solutions delivered to a high professional standard. Its broad service offering includes domestic maintenance, commercial construction, industrial plumbing, gas fitting, hot water systems, drainage, backflow prevention, leak detection, roof plumbing, grey water systems, sewer conversions and solar hot water installations. This diverse capability enables JC Plumbing & Gas WA to undertake projects ranging from routine maintenance through to major construction and infrastructure works. As a proud member of the Master Plumbers and Gasfitters Association WA, JC Plumbing & Gas WA is committed to quality workmanship, industry best practice and reliable customer service. With extensive experience across multiple plumbing disciplines, the business continues to provide practical, compliant and efficient plumbing solutions for customers throughout the South West region.
MI Plumbers are highly skilled commercial plumbers who take pride in completing works in a safe and professional manner to the highest of standards. Our modern day approach to plumbing construction means that your project benefits from the latest materials and techniques. We are the industry leaders in high quality construction plumbing, commercial maintenance and retail fit-outs. We remain at the forefront of plumbing technology and our experience allows us to recommend the right products and installation methods for your projects. Perth’s leading facility mangers rely on us to maintain and manage their assets through our cloud based systems. We specialise in difficult, ongoing issues and provide preventative maintenance to avoid costly interruptions and repair bills. Whatever the task, we can design and install a custom plumbing solution that’s right for you.
Plan roof drainage with the project in view
Keep roof water moving away from the building
Roof plumbing matters when a new home, grouped dwelling or multi-residential project needs a coordinated way to collect rainwater from the roof and direct it towards stormwater drainage or an approved disposal system. The work must fit with the roof form, building details and the wider construction program.
A roof is rarely a simple surface. Gutters, box gutters, sumps, rainheads, downpipes, flashings and drainage outlets each need to work with roof sheeting, walls, eaves, balconies and penetrations. Decisions made during design or construction can affect how water leaves the building and whether later works can be coordinated effectively.
What roof plumbing can involve
Roof plumbing in residential construction is concerned with collecting roof water and directing it through the roof drainage system. Depending on the project and its design, work may involve roof sheeting, gutters, downpipes, flashings, roof penetrations, balcony drainage, overflow provisions and the connection between roof drainage and stormwater.
- New roof sheeting and gutter installation
- Downpipe installation and connection to stormwater
- Box gutters and rainheads
- Flashings and penetration detailing
- Balcony and roof deck drainage
- Overflow provisions and roof drainage outlets
- Roof leak prevention and rectification
- Coordination between roof drainage and stormwater
The underlying objective is practical: roof water should leave the building without entering walls, ceilings, balconies, eaves, cavities, garages, car parks or neighbouring properties.
Details that deserve close attention
Gutter capacity, downpipe placement, overflow locations and stormwater connections are decisions that can shape the finished roof drainage arrangement. On smaller residential projects, practical design decisions may be made around these details as work progresses. Clear plans, selections and approval pathways can make those decisions easier to manage.
On larger multi-residential work, roof plumbing may sit within hydraulic, architectural and structural design. Formal shop drawings, drainage calculations, overflow design, material submissions, inspection records and coordination with other trades may be part of the project approach.
Box gutters, rainheads, roof penetrations and balcony drainage need particular coordination because they intersect with other building features. Roof plumbing should not be treated as an isolated task when the roof design includes services, architectural elements or drainage that must connect to the wider stormwater system.
When roof drainage problems need investigation
Water entering areas where it should not be can point to a roof plumbing issue that needs proper assessment. Possible contributing factors can include undersized gutters, blocked downpipes, inadequate overflows, poor falls, poorly detailed box gutters, failed flashings, penetrations created by other trades, or a stormwater system unable to receive roof discharge.
These causes can overlap, so it is sensible not to assume a diagnosis from a single visible sign. Photos of the affected area, the location of any overflow point and details of recent roof work can give a plumbing business useful context when considering the situation.
Prepare clear project information
For construction roof plumbing, good information supports coordination between the builder, project team and plumbing business. The most useful details will depend on the stage and scale of the work.
- Share the drawings: roof plans, elevations, gutter and downpipe details, and stormwater drawings can clarify the intended arrangement.
- Identify the relevant areas: provide photos of roof areas, leak locations, overflow points and any recent roof works where applicable.
- Flag other roof features: include solar, mechanical, exhaust or other penetration details that may affect roof drainage coordination.
- Clarify access and approvals: safe access details, working-at-height requirements and the person authorised to approve changes are useful project information.
Roof plumbing within residential construction
Roof plumbing forms part of residential construction plumbing alongside the water, sewer, stormwater, gas and fixture services required for new homes and multi-residential developments. It has a distinct role in managing roof water, while stormwater work addresses the drainage path that receives roof discharge.
A coordinated approach can be especially important where the project has multiple trades, staged works, drawings, specifications or inspection points. Construction roof plumbing is therefore as much about aligning roof drainage details with the project as it is about the individual components installed on the roof.
Products and names you may encounter
Product selections and supply channels can vary by project. Examples customers may encounter in roof plumbing include Reece, Galvins, Tradelink, Plumbing Plus and Parkwood Plumbing Centre, as well as roofing and building-product names such as COLORBOND, BlueScope, Lysaght, Fielders, Stramit, Stratco and Metroll.
These names are associated with product systems and supply channels relevant to the service. Their presence in project information does not by itself determine the appropriate roof plumbing solution; plans, drainage details, project coordination and site conditions remain important considerations.
Choose a plumbing business with useful project context
Find a Master Plumber connects customers with Master Plumbers and plumbing businesses associated with the Master Plumbers and Gasfitters Association of Western Australia. Choosing a Master Plumber helps consumers make a more informed choice of plumbing business for a property or project.
When comparing options for roof plumbing, explain whether the work relates to a new home, grouped dwelling, multi-residential project, roof drainage concern or a planned roof feature. Provide the available drawings and nominate the contact person who can coordinate decisions. That gives the conversation a clearer starting point.
Related construction plumbing services
Roof drainage often connects with broader residential construction work. If your project need is more specific, consider the related service areas below.
- Storm Water — for the drainage system receiving roof discharge.
- New Homes — for plumbing coordination across a new-home project.
- Multi Residential — for plumbing work within multi-residential developments.
- Forward (In Ground) Works — for earlier-stage in-ground plumbing works.
Roof plumbing questions
What does roof plumbing involve?
Roof plumbing relates to collecting rainwater from a roof and directing it through elements such as gutters, box gutters, sumps, rainheads, downpipes, stormwater drainage or approved disposal systems. It may also involve flashings, penetrations, balcony drainage and overflow provisions.
What information should I provide for roof plumbing work?
Useful information can include roof plans, elevations, gutter and downpipe details, stormwater drawings, photos, leak locations, overflow points, recent roof works, details of roof penetrations, access arrangements and the person authorised to approve changes.
Can roof plumbing need coordination with other work?
Yes. Roof drainage may need coordination with solar, mechanical, exhaust, skylight and architectural features, as well as the stormwater system that receives roof discharge.
Why are overflow provisions important?
Overflow provisions are part of the roof plumbing arrangement. Their location and design should be considered with gutters, downpipes and the overall roof drainage path so roof water can leave the building safely.
What can contribute to water entering a building from the roof?
Possible factors include gutter sizing, blocked downpipes, overflow arrangements, falls, box gutter detailing, flashings, roof penetrations and the capacity of the receiving stormwater system. A plumbing business can consider the particular project details rather than relying on a remote diagnosis.
How can Find a Master Plumber help?
Find a Master Plumber is backed by the Master Plumbers and Gasfitters Association of Western Australia and can be used to choose a plumbing business for your project.
Whether the work involves a new home, a grouped dwelling or multi-residential construction, provide the available roof and stormwater information when choosing a plumbing business. Find a Master Plumber connects customers with Master Plumbers and plumbing businesses associated with Master Plumbers WA.