Cover flashing

[Simsgrodan]

Have you read the instructions from Nordic Windows? I have read several of their instructions for different products and all of them show behind the wind shield. Then one can consider what responsibility they have for a professional execution.

Now I have read them. My comment was on the image in #14, where I can't see that the metal is placed under the wind shield. But I now see that the image doesn't apply to a window.

 

[J_K_H]

Now I have read them. My comment was the image in #14, where I cannot see that the sheet is placed under the wind barrier. But now I see that the image does not pertain to a window.

The image pertains to drip edges, which is a general term for water-diverting edges used both when replacing facade material, over window sills, or as in the image when you have a tall facade and want to break due to the length of panel boards.

 

[Simsgrodan]

That image refers to flashing, which is a general term for water-deflecting sheets used both when changing facade materials, at the top of windows, or as in the image when you have a high facade and want to interrupt due to the length of the panel boards.

Well, the conclusion is then to do whatever the heck you want?

 

[J_K_H]

Well, the conclusion is that you should do whatever the heck you want?

Yes, it's your property, so you can do whatever the heck you want. But if you want to know how it should be done, there's only one general answer to that question: install the sheet metal in a way that fulfills the function described in AMA. Every building is unique, and you're free to find a solution that meets the function. However, I have seen several poor solutions in the thread that do not fulfill the function, and I want to inform TS about the function so TS can assess how it's fulfilled in their building.

 

[Evalarsson36]

What I mean is that I interpret that image as saying the flashing can be placed outside the wind barrier. Then I googled a bit and found [link]. I think they clearly state that the flashing should be under the wind barrier. So I understand if you feel confused. I'm not saying how it should be, just how I interpret the images. I can also add that in our about 110-year-old house there's not even wind barrier, and we have no moisture problems.. Maybe the problem is mostly theoretical?

I don't have much wind barrier in the attic either 😂 so if the metal sheet has to go behind the wind barrier it will be quite a big project.

 

[Evalarsson36]

Yes, it is your property so of course you do whatever you want. But if you want to know how it should be done, there is only one general answer to that question, and that is to mount the sheet so that it fulfills the function described in the AMA. Each building is unique and you are free to find a solution that fulfills the function. However, I have seen several bad solutions in this thread that do not fulfill the function, and I therefore want to inform the TS about the function so that the TS can assess how it is fulfilled in their building.

Thank you

 

[J_K_H]

I don't have much windproofing in the attic either 😂 so if the metal has to go behind the windproofing, it will be quite a big project

Any wind barrier will do 👍

 

[Evalarsson36]

Any wind barrier will do fine 👍

Mm but it has to be installed too.

 

[J_K_H]

Mm but it also needs to be installed.

Are you missing a wind barrier behind the air gap?

 

[Simsgrodan]

Yes, it is your property, so of course, you can do whatever you want. However, if you want to know how it should be done, there is only one general answer to that question, and that is to mount the flashing so that it fulfills the function described in AMA. Every building is unique, and it is free to find a solution that fulfills the function. However, I have seen several poor solutions in the thread that do not fulfill the function, and I therefore want to inform TS about the function so that TS can assess how it is fulfilled in their building.

The question TS asked was whether the flashing should be mounted on or behind the wind barrier. You yourself refer to AMA, saying you can place the flashing on the outside of the wind barrier if you seal it so that water entering behind the panel is led out of the house. That's how I interpret the post anyway. If that doesn't mean you can do whatever you want regarding which side of the wind barrier the flashing should be mounted on, I would appreciate it if those who are knowledgeable could explain so we laymen understand. And TS gets a clear answer, either that there is no clear answer or what that answer is.

 

[Evalarsson36]

Are you missing a wind barrier behind the air gap?

Almost

 

[J_K_H]

The question TS asked was whether the flashing should be mounted on or behind the wind barrier. You yourself reference the AMA by saying you can place the flashing on the outside of the wind barrier if you seal it so that water that gets behind the cladding is directed out of the house. That's how I interpret the post, at least. If that doesn't mean you can do whatever you want when it comes to which side of the wind barrier the flashing should be mounted on, I'd appreciate it if those who understand this could explain so we laymen can understand. And TS gets a clear answer, either that there's no clear answer or what that answer is.

Yes, there's nothing saying you can't seal between flashing and wind barrier. It's a judgment call regarding what's best for the particular construction. But I advocate for behind the wind barrier as it's a more secure construction. The problem in the thread is the posts showing an incorrect construction that doesn't fulfill any function, or people advising TS that it doesn't matter where it's mounted "because that's how I did it" or "look at this link to see how it's done" without any professional competence.

Regarding TS's house, we've gotten pictures of the wrong windows, but from what I've seen and can assess, they are incorrectly positioned and risk damaging both the windows and the construction. TS could bring in an inspector for a more thorough on-site assessment, or alternatively, consult a qualified project planner or a new carpenter with expertise in the matter if a clear answer is needed, as there is insufficient information in this specific case to give a clearer answer.

 

[Evalarsson36]

Yes, there is nothing that says it won't work to seal between the flashing and the weather barrier. It is an assessment that must be made if it is the best in each construction. But I advocate behind the weather barrier as it is a safer construction. The problem in the thread is the posts showing an incorrect construction that doesn't fulfill any function, or people advising the original poster that it doesn’t matter where it is mounted "because that’s how I’ve done it" or "look at this link how it should be done" without professional expertise.

Regarding the OP's house, we have received pictures of the wrong windows, but from what I've seen and can assess, they are installed incorrectly and risk damaging both the windows and the construction. The OP could bring in an assessment by an inspector who can take a closer look on-site, or alternatively bring in a qualified designer or a new carpenter with expertise on the matter if a clear answer is needed, as there is missing information in this specific case for a clearer answer.

I am very grateful that someone is mature and reads thoroughly and gives a good answer indeed.