How to fit vents in a roof

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 12 years ago
@auujay, our roof slopes on all 4 sides, so we don't have any end walls to put vents in. - Walker 12 years ago
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 12 years ago
3 Answers Found

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

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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 12 years ago
nice looking vent.. - Walker 12 years ago

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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Roof Ventilation Lap Vents Simple DIY Loft Vents

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