Catnic has introduced an expanded metal sheet developed for use as permanent formwork to concrete. Suitable for use in construction joint applications and stop ends, theRIB21 can also be used to form wall, beam and column surface and slab soffits. The open mesh profile enables a superior key for the second phase concrete pour. Suitable for both rendered and tiled finishes. Manufactured from hot dipped zinc coated steel and available in three gauges, three lengths and pallets of 100 sheets
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Radio wave weapon knocks out drone swarms
Probably. A radio-controlled drone cannot be completely shielded to RF, else you´d lose the ability to control it. The fibre optical cable removes...