A fence panel comprising: a plurality of upright members (12, 41, 71, 81, 101), and at least one rail (13a, 13b, 13c, 44) connected to each of said upright members (12, 41, 71, 81, 101), wherein the at least one rail (13a, 13b, 13c, 44) comprises: an external casing (22, 32, 72, 82, 92, 102) defining a rail channel and comprising at least one aperture (23, 24, 36a, 36b, 73, 83, 84), wherein each of the upright members (12, 41, 71, 81, 101) extends through an aperture (23, 24, 36a, 36b, 73, 83, 84) into the rail channel, and an inner plate (25, 33, 42, 52, 62) that extends along at least part of the length of the rail channel, wherein the inner plate (25, 33, 42, 52, 62) is at least partly enclosed by the external casing (22, 32, 72, 82, 92, 102), wherein the inner plate (25, 33, 42, 52, 62) comprises a flat portion (26, 53, 75, 85a, 94a) comprising a plurality of openings that rests against the upright members (12, 41, 71, 81, 101) and two angled portions (27, 54, 66a, 76, 85b, 94b) connected to opposite sides of the flat portion (26 53, 75, 85a, 94a) and extending away from said upright members (12, 41, 71, 81, 101) and wherein the plurality of upright members (12, 41, 71, 81, 101) each comprise a projection (29, 43, 55, 78, 87, 96, 105) that extends into one of said openings to connect said upright member (12, 41, 71, 81, 101) to the rail (13a, 13b, 13c, 44), and wherein the external casing (22, 32, 72, 82, 92, 102) comprises a lip (28, 77, 86, 95) that comprises a section angled towards the inside of the external casing and away from a lower side thereof, and wherein an angled portion (27, 54, 66a, 76, 85b, 94b) of the inner plate (25, 33, 42, 52, 62) rests in a channel formed by the lip (28, 77, 86, 95). a plurality of upright members (12, 41, 71, 81, 101), and at least one rail (13a, 13b, 13c, 44) connected to each of said upright members (12, 41, 71, 81, 101), wherein the at least one rail (13a, 13b, 13c, 44) comprises: an external casing (22, 32, 72, 82, 92, 102) defining a rail channel and comprising at least one aperture (23, 24, 36a, 36b, 73, 83, 84), wherein each of the upright members (12, 41, 71, 81, 101) extends through an aperture (23, 24, 36a, 36b, 73, 83, 84) into the rail channel, and an inner plate (25, 33, 42, 52, 62) that extends along at least part of the length of the rail channel, wherein the inner plate (25, 33, 42, 52, 62) is at least partly enclosed by the external casing (22, 32, 72, 82, 92, 102), wherein the inner plate (25, 33, 42, 52, 62) comprises a flat portion (26, 53, 75, 85a, 94a) comprising a plurality of openings that rests against the upright members (12, 41, 71, 81, 101) and two angled portions (27, 54, 66a, 76, 85b, 94b) connected to opposite sides of the flat portion (26 53, 75, 85a, 94a) and extending away from said upright members (12, 41, 71, 81, 101) and wherein the plurality of upright members (12, 41, 71, 81, 101) each comprise a projection (29, 43, 55, 78, 87, 96, 105) that extends into one of said openings to connect said upright member (12, 41, 71, 81, 101) to the rail (13a, 13b, 13c, 44), and wherein the external casing (22, 32, 72, 82, 92, 102) comprises a lip (28, 77, 86, 95) that comprises a section angled towards the inside of the external casing and away from a lower side thereof, and wherein an angled portion (27, 54, 66a, 76, 85b, 94b) of the inner plate (25, 33, 42, 52, 62) rests in a channel formed by the lip (28, 77, 86, 95).