Attach birdhouse

[Alfredo]

But PL 600 is intended for indoor use - explicitly not in wet rooms, and a water culvert is a very wet room

Details....

A little PL600 to get it to "grab" and PL400 for long-term durability then. There are guaranteed adhesives that "grab" quickly and also withstand a humid outdoor climate. I am, as you probably realized , not a glue expert though...

That doesn't sound good at all. Now I'm a bit unsure. Maybe it's easiest to screw the birdhouse on instead.

Absolutely! In practice, I think your small holes don't matter on a "gigantic" metal drum.

 

[Anna Bo]

Simplest maybe, but it's not so good for the pipe that the hole will lack protection from galvanization. At work, it's important that we rust-proof thoroughly if we make holes in a galvanized metal part.

PL400 (or another construction adhesive for outdoor use) + a board that stays under a bit of tension for a day, so it gets a bit of curing is preferable.

Ok, is it not possible to apply some sort of rust-proofing if you drill yourself, or is it difficult? I'm a little worried that the glue won't be able to hold the weight of the nesting box. The nesting box now weighs 2.7 kg. It will probably be heavier with moisture and an extra glued board. It would be terrible if the nesting box with bird chicks falls into the water.

 

[Alfredo]

I'm a bit worried that the glue won't be able to hold the weight of the birdhouse.

If it can just be glued in a sensible way (sufficient bonding surfaces and reasonably clean), I would say it would hold even if you "crawled into" the birdhouse yourself. PL400 normally becomes very strong!

Whose drum is it? Will someone get mad if you just screw the birdhouse in?

 

[Anna Bo]

Details....

A little PL600 to get it to "grab" and PL400 for long-term durability then. There are definitely also adhesives that "grab" quickly and also withstand humid outdoor climates. I am, as you probably realized , not an adhesive expert though...

Absolutely! In practice, I think your small holes don't matter on a "gigantic" metal drum.

If it can just be glued in a reasonable way (sufficient bonding surfaces and reasonably clean) I would say it would hold even if you were to "crawl into" the box yourself. PL400 usually becomes very strong!

Whose drum is it? Will anyone get upset if you just screw the box in place?

It is a large forestry company that owns the drum, so I don't think anyone will care or get upset if I just screw it in place. I'll try to get some waders so that I can go down and check how the other box is attached. It should have been in its drum since at least 2006 or earlier. I don't know who put it there.

 

[doubleH]

It is a large forestry company that owns the culvert, so I don't think anyone cares or gets angry if I just fasten it. I will try to get waders so I can go down and examine how the other nesting box is attached. It should have been in its culvert since at least 2006 or earlier. I don't know who put it there.

Is it the same culvert or two different ones...?
You probably shouldn't put up an additional nesting box in the same culvert if there is already one there.
The dipper is territorial, and the result will likely be that only one box is used.
You should put your box in another culvert or under a bridge somewhere else in the area.
It is only during the winter that they can share a smaller area of open water; when it's time to nest, they want their "own compartment."

 

[Anna Bo]

Is it the same pipe or two different ones...?
You should probably not put up another box in the same pipe if there’s already a box there.
The dipper is territorial, and the result is likely that only one box will be used.
So you should put your box in another pipe or under a bridge somewhere else in the area.
It's only during the winter that they can share a smaller area of open water, when it's time to nest they want an "own compartment"

Absolutely, I completely agree. The idea was to put up the box in a different pipe. There's no point in having multiple in the same one.

 

[BSOD]

Ok, can't you apply some kind of rust protection if you drill yourself or is it difficult? I'm a bit worried that the glue won't be able to support the weight of the birdhouse. The birdhouse now weighs 2.7 kg. It will probably become heavier with moisture and the extra glued board. It would be terrible if the birdhouse with chicks fell into the water.

The difficult part is reaching and treating, when you can't access it from the outside.

https://www.google.com/url?sa=t&sou...YQFnoECA4QAQ&usg=AOvVaw2yg6Tl92DoA_i0RDiHQc2D

According to this source, the strength of the glue is 280N/cm2. This means about 28kg/cm2. So if you were to load it with 3kg and glue 5x5cm (25 cm2), it's about 0.4% of what the manufacturer states the glue should hold (in ideal cases). If the surface is clean, it will hold.

 

[Anna Bo]

Thank you for all the answers! Now I know what possible options are available