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A look at the principles of roof construction, failure and investigation - from thatch to metal roofs. Featuring the largest lead roof project in the UK and the largest zinc roof project in Europe.
DVD Topics:
1. In the beginning
 Thatch roofs – what to look out for
2. The guiding principles of surveying roofs
Principles of roof surveying
Opening up the roof - Example of timber rot on Grade 2 listed building
3. Troubles with tiles 1
Tile damage
Valley gutters
Fixings – example of listed Oasthouse
Implied loading
4. Troubles with tiles 2
Incorrect overlap
Implied loading
Rare tile types
5. Leadwork and lead roofs
Vital importance of metalwork abutments - example of London Bridge lead roof, largest in UK
6. More metal mayhem
Example of copper roof disaster – bad practice in abundance
7. Up the Arsenal
Example of Royal Arsenal zinc roof
8. Inside roofs
Condensation in roof void
9. The flat roof society
Flat roof problems
Testing for leaks
Plant growth
Tank rooms
Vital importance of planned inspection and maintenance
Lightening conductors
10. Flat roofs – adding and subtracting
When roofs change shape - placement of mobile phone aerials
and plant
11. Design – fit for purpose
Good and bad design - example of Wharf development in Docklands with severe problems - example of Eco-roof on Supermarket
Bonus Section
The hidden world of chimneys
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