How to mount gutters to pent roof log cabin?

[iain3915]

I've just built a new Tuin log garage but I haven't quite figured out how to sort out guttering and the Tuin guides don't offer any good ideas.

The problem is that the roof purlins get in the way of a run of guttering. Any suggestions very much appreciated!

You can see the purlins in the photos below. For now I have just left plenty excess EPDM draped over the edge (i.e. any rain will be trapped on the roof).

 

[noseall]

any rain will be trapped on the roof

Eh WTF?

The roof run-off should have an overhanging 'drip' below which your gutter should sit. The drip should ideally overhang the fascia by about 55mm. The roof should slope towards the run-off via furring strips etc.

Drip!

• noseall
• 9 Apr 2019

 

[noseall]

The above drawing is not to scale and is the intellectual property of Noseall.

 

[iain3915]

I just meant that any rain would currently be trapped on the roof, so as to help explain where I am up to (i.e. lots of EPDM draped over the eaves boards). To trap the rain is not my strategy Thankfully no rain is forecast for a week so I have time to figure out a guttering solution.

The eaves boards sit higher than the roof due to the design of the garage. So any guttering would need to be behind them, but then the purlins are in the way. Unsure if I should make small cut-outs in the purlins in which miniflo guttering could sit? What would you suggest?

 

[Ian H]

Your water is all going to sit on the right side of the pics because it slopes that way, then the edge is higher.

From there it can only go forwards or backwards.

Looks to me like you need to lower the facia on the right so you can do it like Nosealls technical drawing.

 

[Alastairreid]

The eaves boards sit higher than the roof due to the design of the garage.

The fascia should be flush with the top of the decking board at the eave and above the deck by about 50mm the other 3 sides to accommodate a fillet to prevent the water running off the sides.

 

[Mw Roofline]

Quickest way is to have an internal outlet going through the roof through the soffit.

 

[iain3915]

I don't want to lower the fascia board as it is part of the design of the garage to have them level all round. I'm going to cut some notches in the purlins to allow a hidden gutter run behind the fascia board. Wish me luck!

 

[^woody^]

Wish me luck!

I have some spare unused luck lying around, which I can send out to you as you are going to be needing all you can get.

 

[catlad]

You need to board out the roof to your fascia if thats what you are calling it, and then cut a 80mm hole in the lowest side and fit an internal outlet.

 

[Leofric]

The above drawing is not to scale and is the intellectual property of Noseall.

I believe you are guilty of infringement of copyright , I have seen that drawing before.