Time to test your paving knowledge!
How many can you get right?
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1. Block paving bricks, such as concrete blocks or clay bricks, are no bigger than… *
1 point
2. Do porcelain tiles need sealing? *
1 point
3. Which natural stone paving slab is most commonly used in Britain? *
1 point
4. What’s the minimum amount of sub-base you’ll need before you start a paving job? *
1 point
5. What does CBR, the test for sub-grade strength, stand for? *
1 point
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