pls i need anyone who know the cost of Tower aluminum steptile for 0.45mm and 0.55 mm..very urgent

pls fellow nairalanders ..apart from beauty.. which is the best between stone coated roof and long span aluminum...given the best company e.g tower aluminum ....price apart but durability

how much will 280sqm cost

txs and God bless you sir

i seriously need advice on what to do after reading the ratio of mixing concrete of pillars which i just saw on this platform ,my bricklayer just used ratio1;4;4 and i saw here that it shd be 1;2;4...it is a storey building which is 13m by 10m with 20 pillars ,so b/4 moving to decking i want to know if the former mix ratio will not ve effect on the building , the foundation was done with y16mm iron rod with over site concrete/german floor and all the blocks were filled with concrete b/4 the german floor.9'' blocks was used for the block works from foundation to lintel. is there anything to be done . a mixing machine was used for the mixing of the concrete of the pillars, pls advice on this ratio1;4;4 used already it is a very dry land