may i know what is the price per square feet of aluminium panel composite? i overheard that those with polycarbonate will crack after 2 years and the water will leak.. coz if build concrete slab for car porch will caused 20k..

any good recommendation for do not want sun through n not noisy other than slab concrete?

i was at homedec get quotation for glass roofing at rm48 per sq feet while i am doing 14'*17*sq ft..rm 48 include the 2 metal installation all thing...