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The home we have just brought has no vents in its tiled roof; therefore it is getting a lot of condensation in the loft.

So how do I fit vents?

Do the vent you fix from the inside (rather than putting in venting tiles) work well enough?

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Do you have to put the vents in the roof itself? It might be easier to put a vent in the siding at the peak of a wall depending on how the walls/roofline/attic space is laid out. –  auujay Dec 16 '10 at 21:37
    
@auujay, our roof slopes on all 4 sides, so we don't have any end walls to put vents in. –  Walker Dec 17 '10 at 9:18
    
Ah, then my answer doesn't help you much. I'll leave it up for anyone else with a similar problem but different style of roof. –  Doresoom Dec 17 '10 at 14:36

2 Answers 2

A gable louver might be a good option if you don't want to mess with the tiled roof.

alt text

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good answer, only way to do it without ridge vents. Also consider soffit vents with "proper vent tunnels" if possible in conjunction with a gable end vent. –  shirlock homes Dec 17 '10 at 0:03
    
nice looking vent.. –  Walker Dec 17 '10 at 9:19

I can think of only think of one solution other than going through the tile. you could run a large 6"-8" venting from the crown to the soffits with an in line fan to draw the air down. You would have to make sure that your fan will be able to exchange enough air. I am not exactly sure how to calculate this.

Other than this you would need to put the venting in from the top. Flashing will need to be installed to prevent leaking. I have never dealt with tile, sounds like a big job.

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