insulating the shed

[foxhole]

Maybe he should have started a new post?

 

[Hangar34]

Without wanting to completely hijack this thread, I have a similar situation and I would like to know if I will get problems...

The outer layer (roof) of my shed is a chipboard-like material, covered in thick roofing felt. I have lined the inside with woolen insulation (the type made from recycled bottles) between the battens and then covered the whole thing with thick polythene sheeting. I have then lined the inside with plasterboard.

Now originally, the top of the shed walls, directly behind the fascias was open by a few inches that allowed airflow right through the shed. This made the shed very cold normally. Where I have lined the inside of the roof, outside you can see where the insulation material now 'blocks up' this void in the roof.

My question is this... will I still have sufficient venting of the roof space through the insulation, thus allowing me to put a soffit in with circular or retangular vents in, or have I effectively created an enclosed space that will now created condensation and begin to rot the roof wood?

Thanks in advance for any advice.

Steve

 

[foxhole]

If you have enclosed the roof space then condensation cannot occur as you have no air carrying moisture thru it.

 

[Hangar34]

Thanks for the reply, and what you say makes sense.

So, should I go ahead and seal in the gap in the shed with a narrow soffit board, and if I do so, should I put vents in because as you say the insulation is now completely filling the void and therefore there is no airflow in/out of the roofspace?

Thanks,

Steve

 

[digdilem]

Yeah, but if the OP did buy a cheap shed, he'll probably be wanting to replace it again now...