Test your knowledge on the IBIS quiz.

1. What stone was used for the building of St Paul's Cathedral in London?

2. Which surface will offer the best slip resistance under wet conditions?

3. Which test can definitively identify cement type, especially for ancient mortars?

4. What type of mixer is best for screeds and bedding materials?

5. Which of these cements should you not use with limestone?

6. What is the largest internal stone floor area that can be laid without expansion joints?

7. Which of these materials exhibits the highest flexural strength?

8. From where does Jura limestone originate?

9. Which of these iron-sulphur minerals is considered potentially to be the most reactive?

10. What is the minimum thickness allowable for stone cladding above first floor level?