Z-Purlins Z-sections feature one broad and one narrow flange allowing the two sections to fit together snugly, making them suitable for lapping. Z sections of the same depth and different thickness’ can be lapped in any combination. Purlins and Girts that are lapped form a structurally continuous line along the length of the building, a factor that contributes significantly to the reduction in building costs.
They are manufactured to KS02 – 104 Kenya Bureau of standards. Advantages are high strength and saving on structural steel used.
They are used as an alternative to wood in roof installations primarily in sheds and large industrial and commercial buildings.
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