Keep roof drainage working across the building.
Commercial guttering can involve long gutter runs, box gutters, outlets, downpipes and several connected roof areas. We review the reported problem in the context of the wider drainage system before defining the work.
Understand the drainage problem before defining the work.
Assess
Review the reported leaks or overflows, gutter condition, connected drainage details and available project information.
Define
Set out the required repair, replacement or rectification scope, including relevant interfaces with roofing and drainage components.
Deliver
Complete the agreed guttering work with clear communication around access, site requirements and the project scope.
Match the guttering work to the condition of the system.
Some commercial gutter problems can be addressed with a defined local repair. Others involve deteriorated sections, box gutters or connected drainage details that call for replacement or a broader rectification scope.
Plan the work around the property and the site.
Commercial guttering work may need to account for access, occupied areas, other trades and the agreed programme. These requirements are considered when the scope is developed so the work can be coordinated with the building or project.
Commercial guttering — common questions
How are larger commercial gutter and downpipe systems designed?+
Sizing methods suited to typical houses do not carry over to larger or complex roofs, including many commercial buildings. Those systems are designed from rainfall intensity, catchment area and outlet capacity, and must suit applicable Victorian building and plumbing requirements.
How often should commercial gutters and sumps be cleared?+
A common routine is before autumn and after major storms, with extra visits near trees. Sumps and outlets clog first, and a blocked outlet is a common reason a commercial gutter overflows into the building.
Can guttering be replaced while the building stays occupied?+
Access, occupied areas, other trades and site requirements can be considered when work is scoped and sequenced, so works can be arranged to limit disruption to occupants.
Can commercial guttering be coordinated with roofing or cladding?+
Where relevant to the project, guttering can be coordinated with ALTUA roofing, cladding and exterior building repair scopes, so junctions are treated together.