Breathable roofing membrane
A breathable membrane was installed beneath the battens as part of the new roof buildup.
Featured project
This roof replacement in Watford, Hertfordshire was completed using a breathable roofing membrane, treated battens, fibre-cement slates and a modern dry-ridge system.

Town
Watford
County
Hertfordshire
Project type
Full roof replacement
Roofing system
Fibre-cement slate
Underlay
Breathable roofing membrane
Battens
Treated roofing battens
Ridge system
Modern dry-ridge system
Work sequence
Three stages of the same Watford roof replacement, shown in the order the work took place.

Roof stripping and preparation
Sections of the existing roof covering were removed as the roof was prepared for replacement.

Roof structure exposed
The roof structure was exposed during the replacement process.

Breathable membrane and treated battens installed
A breathable roofing membrane and treated battens were installed before the new covering.
Materials and roofing system
A breathable membrane was installed beneath the battens as part of the new roof buildup.
Roofing battens were installed to support the new covering.
Fibre-cement slates were installed as the new roof covering.
A dry-ridge system was used at the roof ridge, rather than a traditional mortar-bedded ridge.
Completed result
The finished roof uses fibre-cement slates with a dry-ridge system at the ridge line, shown in the aerial photograph above. See New Roofs & Re-roofing for the enquiry route covering this type of replacement project.
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Coverage areas
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