Creating wall bracket for awning

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I want to put up a 5 metre awning across my house. The problem is there is a downpipe in the middle that is preventing me from attaching it directly to the wall.

There is a company that sells brackets for this problem but they're about £150 each and I'll need three. There's no way I'm going to pay that and I'll just give up on the project if there's no alternative.

Would it be feasible to simply attach three blocks of wood to the wall that protrudes 20cm to support the awning's weight?

If so, what type wood and will I need to treat it? What would be the best fixings to attach the wood to a brick wall? If you can suggest a better alternative or advise me on what to take into account then please let me know.

I'd really like this to work, the awning itself will be about £570 which is already a lot for me so having to pay about £450 on top just for the brackets is a project killer. Also, having two smaller awnings instead is not an option because they don't extend far enough.

Awning.jpg Bracket.PNG IMG_20200917_104337.jpg

Thanks very much and hope you can help.
 
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there is a tremendous amount of leverage on those brackets, especially when weighted with rain or snow. Like using a claw hammer to pull out a nail. There were cases where some pulled down the (cavity) wall they were attached to.

It might be safer to attach posts to the house (extending upwards from the fixing brackets) rather than blocks, or at least long brackets in rigid channel.

You might also find a local stainless-steel fabricator willing to make some up for you. In my area they are not rare. I suppose the awning manufacturer has illustrations or drawings.
 
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It's going to pull from the top. So using something like unistrut would work with a large vertical above the pivot point.

Might be worth asking a metal fabricator how much a gallows bracket with a long vertical might cost?
You might find unistrut easier to work with as it can be built in bits.
 
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If you can get it above the toilet outlet then cut off the stink pipe and stick a durgo on it.
If you stand the awning away from the wall like Nel Clark you'll get soaked every time it rains.
 
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Thanks for all your help and advice, I feel a wee bit wiser now especially with names of brackets.

I sense hope when attaching the right bracket to the wall BUT it's attaching the awning to the bracket that's now the sticking point. It seems I can't buy something off the shelf but have to find a specialist to make me several which makes me wonder if I'm going to end up paying a similar amount to those ones at £150 a pop....bugger.

Are there any of these brackets that allow you to bolt on a plate of some sort?
 
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