The last time I bought decking, I did it at a "real" professional building supply store and when I asked, C4 screws were recommended, and that's the type they sell most to craftsmen. Admittedly Gunnebo, but that shouldn't matter.
Personally, I'm on the second or third box of Biltema's decking screws and I've never seen a screw break. Just a few screw heads that were bad but I can count those on one hand..
Personally, I'm on my second or third box of Biltema's decking screws and I've never seen a screw break. A few screw heads have been bad but I can count those on one hand..
They don't break when you're fastening the decking but later due to movements in the decking. Decking dries during dry weather and decreases in size, and during rain, it increases in size, which can break the screw.
That is why I use nothing but stainless steel screws of good quality.
Have the same problem with biltema's stainless, you easily notice that there are no margins at all as you easily snap them off if, for example, you try to screw the decking into a joist and encounter a knot or similar that makes it go slower. Usually breaks right where the threads start
No one using Gunnebo impreg+?
I have probably screwed in over 2000 and not a single one has broken either when they were screwed in or now 6-7 years later...
I think many praise Essve but a more overpriced screw is hard to find. I've used most decking screws in my job and think FAST is the best.
I know more colleagues in the industry are increasingly hand-nailing decking - that's what I would do if I made a new one at home today. Also, don't forget proper gaps.
I only buy screws from well-known brands because I trust them.
It's important not to install the decking too closely together because when the boards swell, the decking will lift and the screws will break.
I always install the decking boards tightly against each other.
Otherwise, the gap between them becomes extremely large when the wood dries.
No problems on the last 15 decks
That's exactly what the screws from Essve I used for the fence slats look like... More than half have broken after two winters.
Heco stainless, on the other hand, hold up.
I had the same problem with Essve when I laid decking. About half had broken after six months.