A partition system (10) for dividing a space, comprising a frame (11) and one or more partition panels (12) mountable on the frame, wherein the frame comprises a plurality of main profiles (100) which comprises at least one plurality of perimetric profiles (110) configured to be fixed to a surface of the space; one or more perimetric profiles are constituted of a main material which is thermoplastic polyolefin mixture-based. Each main profile delimits a first front hollow (102) which, in use, receives an edge (13) of at least one of the partition panels. The frame comprises a plurality of covering profiles (200) which are couplable by means of a snap joint to the plurality of main profiles, and which comprises a plurality of first covers (201) couplable in such a way as to close the first front hollow at the first lateral side obstructing removal of the partition panel.

A security lock hardware box is provided for installation in a door sash. The lock hardware box is installed in a door sash for receiving locking hardware. It has a body part having first chamber for receiving a door latching mechanism, and a second chamber for receiving a door locking mechanism. Front and rear cover plates securable over the front and rear face of the body part with respective openings and holes to receive the locking and latching mechanisms. The body part has protrusions for fitting within the door sash, the length of which can be greater to provide greater strength and security regardless of the size of the lock hardware box or the size of the door sash that can accommodate the lockbox.

A frame rail for a movable barrier comprises an outer surface portion and an inner surface portion, the inner surface portion forming an internal cavity. The frame rail also comprises a first module connector formed in the internal cavity, the first module connector extending along a length of the frame rail and configured to slidably receive a corresponding second module connector of an internal module.