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ThiAmo

Ridge vent for corrugated metal roof

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Good day everybody!

 

Sorry  yet another stay-cool-house - thread.

Has anybody installed a ridge vent on the corrugated metal roof as a retrofit here in Thailand?

A system kind of like in the photo below.

Companies or roofers contacted until now: "no have", "mai ruu", "mai khoi tam".

Ideas how to vent the attic/loft of our house (photos below), in retrofitting, other than with whirlybirds?

4-meter large eaves and a lot of green as well as fast growing trees are already doing a good job, but not enough for hot afternoon temperatures. 

Ceiling getting hot from above and radiating downward. As for the moment, the attic is very poorely ventilated. I'll let the ceiling insulate with SCG Chang. 

Thanks in advance for any constructive thoughts or sharing of experiences!

Alfred, layman in tech solutions

IMG20190812082827.thumb.jpg.1e158fdd82d79674494b4303e3caa83d.jpg

1897398652_ridgevent2.jpg.51f126a48791fbf114b7d3c7d6498628.jpgIMG20190813095728.thumb.jpg.9f6a5f0a597ef4c483c9f9f76be1edb0.jpg

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There's an old thread (about 2 years maybe) when Cheryl heat proofed her house. There's some real good info there.

If I remember (from that thread) you can get a pack of ventalation tiles from Monier Australia.

See if you can search that thread in DYI section.

Sent from my SM-J700F using Tapatalk

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The problem you will have with passive venting is a huge amount of black dust that will enter from sugarcane burning. 

 

SWMBO will be less than happy. 😉 That is exactly why we didn't do that.

 

 

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6 hours ago, carlyai said:

There's an old thread (about 2 years maybe) when Cheryl heat proofed her house. There's some real good info there.

If I remember (from that thread) you can get a pack of ventalation tiles from Monier Australia.

See if you can search that thread in DYI section.

Sent from my SM-J700F using Tapatalk
 

Didn't found neither the mentioned thread nor the posts of this specific member under "member search" "Cheryl".

Thank you anyway.

 

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6 hours ago, sometimewoodworker said:

The problem you will have with passive venting is a huge amount of black dust that will enter from sugarcane burning. 

 

SWMBO will be less than happy. 😉 That is exactly why we didn't do that.

 

 

Thank you.

No sugarcane burning here and thick natural "dust catcher" around house.

 

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40 minutes ago, ThiAmo said:

Thank you.

No sugarcane burning here and thick natural "dust catcher" around house.

 

As long as there is no sugarcane burning within 10~15km you should be OK. But vegetation doesn't catch sugar cane dust to prevent it getting into the house DAMHIKT 😉

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Insulate your ceiling and put ridge and eave vents will make a difference. 

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Didn't found neither the mentioned thread nor the posts of this specific member under "member search" "Cheryl".
Thank you anyway.
 
Cheryl used to be the moderator on the health forum, maybe you could pose a question there?

Sent from my SM-J700F using Tapatalk

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11 hours ago, Kwasaki said:

Insulate your ceiling and put ridge and eave vents will make a difference. 

Thank you!

My "logistical" problem, as I tried to describe it in the original post, is to find people/builders with experiences as regards a retrofitting of ridge (and as you mention maybe -eave) vents, not on tiled roofs, but on existing corrugated iron roofs (Moderator: not sure whether allowed to use the underline mode).

Something similar like this shown in this video http://www.abcmetalroofing.com/How-to-Install-a-Ridge-Cap/

Anybody has done this or let done on his/her house? 

 

 

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5 hours ago, carlyai said:

Cheryl used to be the moderator on the health forum, maybe you could pose a question there?

Sent from my SM-J700F using Tapatalk
 

Thank you, with this I've found your suggested thread now: 

 

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9 hours ago, ThiAmo said:

Thank you!

My "logistical" problem, as I tried to describe it in the original post, is to find people/builders with experiences as regards a retrofitting of ridge (and as you mention maybe -eave) vents, not on tiled roofs, but on existing corrugated iron roofs (Moderator: not sure whether allowed to use the underline mode).

Something similar like this shown in this video http://www.abcmetalroofing.com/How-to-Install-a-Ridge-Cap/

Anybody has done this or let done on his/her house? 

There's too many systems, you can go with a roof cover vent system that is compatible with your existing roof cover to install vents suitable to your roof cover material.

You can do ridge vent, hip vent & eaves vent but insulate your ceiling, simple easy can do more but not much of a noticeable improvement. 

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On 8/14/2019 at 7:22 PM, Kwasaki said:

There's too many systems, you can go with a roof cover vent system that is compatible with your existing roof cover to install vents suitable to your roof cover material.

You can do ridge vent, hip vent & eaves vent but insulate your ceiling, simple easy can do more but not much of a noticeable improvement. 

 

your second 

On 8/13/2019 at 12:16 PM, ThiAmo said:

1897398652_ridgevent2.jpg.51f126a48791fbf114b7d3c7d6498628.jpg

 

On 8/13/2019 at 12:16 PM, ThiAmo said:

Good day everybody!

 

Sorry  yet another stay-cool-house - thread.

Has anybody installed a ridge vent on the corrugated metal roof as a retrofit here in Thailand?

A system kind of like in the photo below.

Companies or roofers contacted until now: "no have", "mai ruu", "mai khoi tam".

Ideas how to vent the attic/loft of our house (photos below), in retrofitting, other than with whirlybirds?

4-meter large eaves and a lot of green as well as fast growing trees are already doing a good job, but not enough for hot afternoon temperatures. 

Ceiling getting hot from above and radiating downward. As for the moment, the attic is very poorely ventilated. I'll let the ceiling insulate with SCG Chang. 

Thanks in advance for any constructive thoughts or sharing of experiences!

Alfred, layman in tech solutions

you are asking for something out of the ordinary range from your sellers. 

 

My experience is that is too much hasssle for your local sellers to give you solution that they are not familiar/comfortable with

plus they probably cant be bothered.

 

the ridge capping is easy to have made and also to install, your issue is supporting an elevated ridgegecap,

 

i have a 50mm foil backed insulation under my roof sheets, but that was installed before the sheets

 

 

your second image gives you the solution!

 

What is wrong with whirly birds?

 

Shaemus

 

on a side note, i have seen a few roofs here with sprinklers/ misters set up

 

Shaemus

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On 8/19/2019 at 10:31 PM, shaemus said:

you are asking for something out of the ordinary range from your sellers. 

 

My experience is that is too much hasssle for your local sellers to give you solution that they are not familiar/comfortable with

plus they probably cant be bothered.

Thank you. Have taken notice of your suggestions.

Certainly every craftsperson's decision not to venture him/herself in an undertaking that they don't understand enough (e.g. physics of ventilation) or which successful outcome would be uncertain (e.g. a leaking roof) has fully to be respected. Better an honest answer than an adventurous botch job out of sheer profit-seeking. 

On 8/19/2019 at 10:31 PM, shaemus said:

What is wrong with whirly birds?

Nothing wrong with that if properly installed. 

 

 

 

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Posted (edited)

I have got a tlied roof with semi-circular ridge tiles. Would these do the job anyone please? I have soffit vents to let the cooler air in, but nowhere for the hot to get out.

 

https://www.onestockhome.com/en/items/37064318/scg-concrete-earth-tone-air-vent-ridge_roof_scg-concrete-tiles_scg

 

Or this

 

https://www.onestockhome.com/en/items/74057313/scg-concrete-earth-tone-vent-curve-ridge_roof_scg-concrete-tiles_scg

Edited by wgdanson

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