The services we can provide

Bradley-Mason LLP is a Chartered Building Surveying practice who offer the full range of Surveying, Building Consultancy and Project Management Services throughout the UK.

Our senior level team provide expert advice, with a focus on a quick turnaround service to maximise value and to fully understand our client’s businesses and property requirements. Ranging from investment funds and private Landlord’s to High Street retailers and commercial Tenant’s, we offer advice on the whole life cycle of their property interest from acquisition to disposal. Our aim is to predict your needs and ensure your expectations are exceeded. We question your requirements to ensure that our services are tailored to your current and future needs.

Warm deck or cold deck roof?

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There are two main types of flat roof ā€“ cold deck roof and warm deck roofs, do you know the difference?

Cold deck roof:

The insulation in a cold deck roof is installed at ceiling level, therefore the void is at a colder temperature than the room below during colder weather. This poses a risk of condensation forming within the void or on the underside of the roof slab. This can lead to rotting timbers, damp ceiling and ineffective insulation. Consequently, it is important that the void is well ventilated. This was the traditional way of flat roof construction and as insulation has increased over the years, the warm deck roof is now the commonly used method of construction.

Warm deck roof:

The insulation in a warm deck roof is installed immediately below the roof membrane on top of the roof deck, usually with a vapour control layer underneath the insulation. Contrasted with the cold deck roof, this construction has a much lower risk of condensation as the void will be of a comparable temperature to the roof. Ventilation is also not required with this type as the design works by conserving heat. Furthermore, an Inverted roof is a different type of warm deck roof, where the insulation is installed above the membrane and so no vapour control is needed. This then means that the roof void or deck are at a similar temperature to the room below.

 

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