Re-Installing Loft Flooring and Fixing the Errors of the Past

Managed to get some decent time to work in the loft...

Mounted the extractor fan on a rubber mat, ran it's power/isolator and finished the ducting including the condensate outlet to the outside.

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Thermal wrapped the ducting that would be above the insulation level and next to the wall. I also insulated the condensate line just in case that were to ever freeze.

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Fitted all the legs and crossbeams for the loft flooring.

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First layer of insulation is now down in this section. I decided not to separately insulation the long length of ducting as the final layer of insulation should keep it snug.

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Almost finished...
 
Looks very comprehensive.

Going to make a start on ours this weekend. Thinking 100mm to shove in between ceiling joists and then 170mm or 200mm laid transversally over the top. Price seems to have increased since I last bought it.
 
I've done a few bits and pieces but this post is about the outside of the loft....

Somebody was using the shower and I just happened to be outside and looked up at the vent as I couldn't hear it over the wind. The extraction fan was running but the surrounding area is looking a bit moist!

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WTH?!

This is purely the moist air being extracted by the fan and I can only presume (and hope) that it's just condensing upon extraction and the wind is blowing back to the building making it wet?

There is no other source of water near there and it's bone dry on the loft side of the ducting although there is a cavity so who knows. I'll check it out tomorrow morning and see if it's dried out.

Really should have extracted through the roof but knowing my luck roofers that would have leaked anyway.
 
Haha funny you say this --- I noticed the humidity went mad in the master bedroom today. Turned out my wife had opened the windows to stop humidity, and basically the fan was venting and then the moist air was being forced into the bedroom via the open window.
 
Haha funny you say this --- I noticed the humidity went mad in the master bedroom today. Turned out my wife had opened the windows to stop humidity, and basically the fan was venting and then the moist air was being forced into the bedroom via the open window.

Seems like a never ending battle with humidity! Even when you get it out the house it wants to get back in...
 
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