Construction Manager
CM Newsletter
SIGN UP
Search Construction Manager
Home
News & Views
Features
Construction Professional
CPD ZONE
CIOB
Contact Gallery
Job Search
Digital Editions
Advertising
Contact Us
Continuing Professional Development: An introduction to copper JUN10
What does the copper industry consider a conservative lifespan for copper roofing and cladding?
*
40 years
200 years
35 years
700 years
What is the minimum pitch for a copper roof?
*
3º?
1º?
10º?
5º?
Which of the following two metals are used with copper in the golden colour alloy?
*
Zinc and steel
Gold and lead
Aluminium and zinc
Steel and platinum
How much of today’s copper is from recycled sources?
*
50%
80%
70%
25%
What process gives copper’s distinctive green colour straightaway?
*
Pre-patination
Pre-oxidisation
Pre-oxidation
Pre-verdigris
Your Contact Details
Name
*
Firm or practice name
*
Address
*
Postcode
*
Tel
*
Email
*