Roof Drainage Sizing to Building Regs Part H: What QSs Should Check
Building Regulations Part H covers drainage and waste disposal on new build housing, including the requirements for roof drainage. The regulations specify how roof catchment areas…
Insight
Blogs and News
Practical guidance on new build and housing roofing, written for developers, QSs and housing providers.
Chimney Flashing on New Build Roofs: The Detail That Emerges as a Warranty Claim
Chimney flashings on new build housing are one of the most consistent sources of post-handover defect claims in the two-year warranty period. The mechanism is predictable. Water…
How Rainwater Goods Coordination Affects Roofing Programme and Long-Term Performance
Rainwater goods on new build housing schemes get treated as a small package hanging off the roofing programme. In practice, the gutters, downpipes and outlets they connect to are…
Solar PV Integration With the Roofing Programme: What to Plan for at Design Stage
Solar photovoltaic panels have become standard on new UK housing in response to Building Regulations Part L changes and Future Homes Standard direction. Most developer…
Roof Void Ventilation and Condensation Control on Modern Airtight Homes
Modern UK new build housing is significantly more airtight than housing from twenty or thirty years ago. That airtightness delivers the thermal performance that Building…
Lead Flashing on New Build Roofs: Where Detail Failures Become Defect Claims
Lead flashing is one of the roofing details that most consistently produces defect claims in the two-year warranty period following handover. The mechanism is not complicated…
Why Batching Roofing Across Multiple Plots Protects the Developer's Margin
On a housing development, the roofing work is technically identical from one plot to the next. Same construction. Same tile specification. Same fixing schedule. Same flashing…
Wind Uplift Compliance on New Build Roofs: What NHBC Inspectors Actually Check
Wind uplift performance on UK new build roofs is governed by BS 5534, which sets out the calculation method for tile and slate fixing requirements based on site location, building…
The Interface Between Roofing and External Wall Insulation - A Hidden Cold Bridge Risk
Cold bridging at the interface between the roof construction and the external wall insulation is one of the under-discussed defect risks in UK new build housing. The mechanism is…
Tile Selection on UK Housing Schemes: What Developers and QSs Should Be Approving
Tile selection on UK housing schemes is one of the design decisions developers and QSs sign off without always understanding the full implications. The visible aesthetic is the…
Dry Verge and Dry Ridge: What Developers Should Be Specifying on New Build Roofs
Dry verge and dry ridge systems have become standard practice on UK new build housing over the last decade. The market has moved away from wet-mortared verges and ridges because…
Why Roofing Programme Certainty Matters More Than the Lowest Price
On a residential development, the lowest tender on the roofing package is almost never the cheapest version of the roof. The price that gets accepted at the moment of award is the…
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