A connection element for interconnecting a first profile having an inverted T-shaped cross-section and an extension along a longitudinal direction with a second profile having an inverted T-shaped cross-section and an extension along a transversal direction, the second profile crossing the extension of the first profile above the first profile, the connection element comprising: a first base portion and a second base portion configured to extend longitudinally on a respective side (10a, 10b) of the first profile, a first pair of end portions (120a1, 120b1) extending upwardly from a first end portion (110a1) of the first base portion and from a first end portion (110b1) of the second base portion, respectively a second pair of end portions (120a2, 120b2) extending upwardly from a second end portion (110a2) of the first base portion and from a second end portion (110b2) of the second base portion, respectively, wherein between the end portions (120a1, 120b1) of the first pair of end portions there is formed a first through-going end opening and between the end portions (120a2, 120b2) of the second pair of end portions there is formed a second through-going end opening, the first and second end openings (121, 122) being in register and being configured to receive the first profile, a first gripping flange forming part of a first bridge interconnecting the end portions (120a1, 120b1) of the first pair of end portions (120a1, 120b1) and a second gripping flange forming part of a second bridge interconnecting the end portions (120a2, 120b2) of the second pair of end portions (120a2, 120b2), wherein the respective gripping flange (131, 132) is configured to extend above and engage with an upper side (21a', 21b') of a respective flange (21a, 21b) of the second profile, and a second set of abutment flanges (172a1, 172b1, 172a2, 172b2) including at least one abutment flange (172a1, 172a2) connected to the first base portion and at least one abutment flange (172b1, 172b2) connected to the second base portion, wherein the respective abutment flange (172a1, 172b1, 172a2, 172b2) is configured to extend under and engage with an underside (13") of a bulb of the first profile, wherein preferably each abutment flange (172a1, 172b1, 172a2, 172b2) of the second set of abutment flanges (172a1, 172b1, 172a2, 172b2) is flexible, and characterized in that the respective abutment flange (172a1, 172b1, 172a2, 172b2) of the second set of abutment flanges (172a1, 172b1, 172a2, 172b2) extends inclined inwardly, and preferably also upwardly, from the respective base portion (110a, 110b) as seen in a non-installed state of the connection element. a first base portion and a second base portion configured to extend longitudinally on a respective side (10a, 10b) of the first profile, a first pair of end portions (120a1, 120b1) extending upwardly from a first end portion (110a1) of the first base portion and from a first end portion (110b1) of the second base portion, respectively a second pair of end portions (120a2, 120b2) extending upwardly from a second end portion (110a2) of the first base portion and from a second end portion (110b2) of the second base portion, respectively, wherein between the end portions (120a1, 120b1) of the first pair of end portions there is formed a first through-going end opening and between the end portions (120a2, 120b2) of the second pair of end portions there is formed a second through-going end opening, the first and second end openings (121, 122) being in register and being configured to receive the first profile, a first gripping flange forming part of a first bridge interconnecting the end portions (120a1, 120b1) of the first pair of end portions (120a1, 120b1) and a second gripping flange forming part of a second bridge interconnecting the end portions (120a2, 120b2) of the second pair of end portions (120a2, 120b2), wherein the respective gripping flange (131, 132) is configured to extend above and engage with an upper side (21a', 21b') of a respective flange (21a, 21b) of the second profile, and a second set of abutment flanges (172a1, 172b1, 172a2, 172b2) including at least one abutment flange (172a1, 172a2) connected to the first base portion and at least one abutment flange (172b1, 172b2) connected to the second base portion, wherein the respective abutment flange (172a1, 172b1, 172a2, 172b2) is configured to extend under and engage with an underside (13") of a bulb of the first profile, wherein preferably each abutment flange (172a1, 172b1, 172a2, 172b2) of the second set of abutment flanges (172a1, 172b1, 172a2, 172b2) is flexible, and characterized in that the respective abutment flange (172a1, 172b1, 172a2, 172b2) of the second set of abutment flanges (172a1, 172b1, 172a2, 172b2) extends inclined inwardly, and preferably also upwardly, from the respective base portion (110a, 110b) as seen in a non-installed state of the connection element.