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8. How many ventilation roof tiles should I put on the roof?

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I must place 3 ventilation roof tiles should be placed each 10m2 in stepped course way to create a small air flow from the bottom up.

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› List of questions

1. Why choose ceramic roof tiles on my roof instead of another material?
2. What are the accessories for, and what are their functions?
3. Why is it usual a slightly tone variation in tiles of the same type and colour?
4. Why is it that roof tiles condensate water drops in the bottom?
5. Leak problems are appreciated on the roof, is this due to problems of permeability of the tiles?
6. How to avoid humidity through the roof in my house? What should I consider regarding the ventilation of my roof?
7. Why is it so important for a roof to be properly ventilated?
8. How many ventilation roof tiles should I put on the roof?
9. I have �moss� on my roof, how does it appear on the ceramic roof tiles and what can be done to prevent it?
10. Are the old curved roof tiles reusable? Do they have any warranty?
11. I have spots and stains looks like a white film on the tiles, are they blooms?
12. My roof is being finished and some light blooming spots have appeared on the tiles. Why?
13. How I can handle a case of blooming?
14. How can I change my old roof tiles?
15. I want to extend on my roof, what roof tile should I choose?
16. The tiles of my roof is no longer manufactured, what should I do?
17. We bought and placed some new roof tiles and noticed a colour variation with the other tiles in the roof. Is there any product in the market to paint these tiles with good results?
18. Would you say that your tiles are environmental friendly?
19. Which are the advantages of glazed roof tiles against the others? I live in a northern area and I want to know if there may be problems in the future.
20. I live in a place close to the coast and on my roof some breaking up roof tiles are visible. Which may be the reasons?
21. If the roof tile colour is dark, does it heat up the house more than usual? Does it absorb more heat?
22. Is there an order for laying the roof tiles (ex. Centenaria) or a way to place the colours to be well distributed and that the pieces do not match each others?
23. Do your roof tiles fulfil the requirements for EXTERNAL FIRE PERFORMANCE?

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