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Should I use regular Spax screws or those special screws that are available for similar boards?
 
Gypsum board screw works well
 
If you screw about 50mm next to the window, you should hit the stud that the window is mounted on. Try tapping gently with a hammer to see if there's anything behind or take a narrow nail and try it out first. It's the tretex board you're referring to, and it's completely useless to screw into. The curtain rod will probably come loose if you just screw into it.
 
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oleg said:
It's a Tretex board you mean, and it's completely useless to screw into. The curtain rod will probably come loose if you just screw into it.
I don't know what these are called, but they had better durability than most other modern materials when I did a screw test. Hung many heavy items on these. Just that I know some new screw solutions have come out. Mostly curious if someone would point out a new model or just go with the old reliable ones. :)
 
It's called Byggboard.
 
Treetex is a porous wood fiber board previously used as wall material in houses. Due to its porosity, the board has some insulating ability and was therefore often used on the inside of exterior walls. The board is used to a lesser extent today. A later version of treetex is asfaboard, which is used as a wind barrier board in wooden house construction.

// Wikipedia.org

Have never been wrong, am not wrong, and will never be wrong! think about that
 
Y
Now it says masonite on my.... (and yes, I know that the factory was among other things called masonite)

Anyway, the question is which screws I should use ;)
 
Then you are the only one in the world who has a 10mm masonite board in the world. Do as I wrote in the first post and it will be fine! I have renovated lots of old houses with treetex, so I know what I'm talking about.
 
Y
9.6 was very common in the past. The factory was still manufacturing the discs a few years ago. When I spoke with the factory (and bought new discs from them), they complained that many stores claim the discs are no longer being manufactured, but they are. (though now the company has probably gone bankrupt)
 
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remrag
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Aren't you confusing hardboard with the factory Masonite AB?

What is commonly referred to as masonite is hardboard, which I believe can only be up to 6mm thick, whereas Masonite AB also manufactured softboard, which is thicker and more porous and resembles the product Treetex, which is a thicker, more porous building board that was very common in the past.

But to return to the original question, the board is not strong enough to screw things into without needing to reach a stud or into the plank wall.
 
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FatherMike
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Y
People talk about being porous and not durable... but I tested screws with Makita BHP440 with different max settings along with regular Spax I believe... or drywall screws...
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10mm Particle board, couldn't even handle setting 1 before it spun freely.
8mm MDF board, could handle setting 5 before it spun freely.
9.2-9.8mm(cannot recall) Masonite, could handle settings 8-10 before it spun freely.

Particle board: Density: 630-720 kg/m3
MDF: Density: 740-810 kg/m3
Masonite: Density: 900kg/m³.
But need to aim curtain brackets so they hit the window studs. However, if you're going to mount curtain brackets as most suggest, it feels a bit doubtful if the rear one will hit the stud though.
 
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oleg said:
Then you are the only one in the world who has 10mm masonite board in the world. Do as I wrote in the first post and it will be good! I have renovated a lot of old houses that have treetex so I know what I'm talking about
YES, and then you're the only one in the world who doesn't know that there is 10mm Mazonite, and that tretex is nailed with a nail similar to a roofing nail, available in different lengths. When it comes to ceilings, Huntonit, you screw it with drywall screws. Among other things, huntonit is made of 10mm mazonite
 
But disprove me. but you don't hang a curtain rod with cardboard nails.
 
TS question has not been answered yet. For your information, masonite was available in 3.2, 6.4, and 9.6 mm.
 
Kurtivan said:
The TS question has not been answered yet. For your information, Masonite was available in 3.2, 6.4, and 9.6 mm.
Well, some of us have suggested drywall screws, but other wood screws work fine too. Perhaps it's more suitable with a rounded head, which fits better against the fitting. The length of the screw should also be chosen with regard to the weight of the curtains, = 50mm is an appropriate length;)
 
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