![#](/documents/147486/148240/_Picto_S%C3%A9curisation%20horizontale.png/14dd8210-2d88-feeb-c792-c90a029333e2?version=1.0&t=1687163320126&download=true)
A fall arrest system is defined as horizontal when it does not exceed a 15° slope. Our horizontal fall arrest systems can be flexible - with cables - or rigid - with rails - to adapt perfectly to the type of work to be secured.
![Horizontal rail lifeline system on steel deck](/documents/147486/429849/Systems-fall%20protection%20rail%20system%20Altirail-roof.jpg/26c9e83f-ab28-71b4-124a-9db114168987?version=2.0&t=1718806150640&download=true)
A fall arrest system is defined as horizontal when it does not exceed a 15° slope. Our horizontal fall arrest systems can be flexible - with cables - or rigid - with rails - to adapt perfectly to the type of work to be secured.