Trellidor is a proudly South African company that manufactures and distributes security gates and window burglar proofing. We developed our original steel trellis-style sliding gate in the 1970’s.

At Carlson steel and projects no project is to small or to big. We specialize in carports, gates, paving and all maintenance work on buildings big or small. Renovation is our passion. Carlson steel and projects has been operating for 16 year's. For a free quotation please phone Jannie @0827722880

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Trellidor is a proudly South African company that manufactures and distributes security gates and window burglar proofing. We developed our original steel trellis-style sliding gate in the 1970’s.

Trellidor is a proudly South African company that manufactures and distributes security gates and window burglar proofing. We developed our original steel trellis-style sliding gate in the 1970’s.

Trellidor is a proudly South African company that manufactures and distributes security gates and window burglar proofing. We developed our original steel trellis-style sliding gate in the 1970’s.