** Shares of Australian building products maker CSR CSR.AX
rise as much as 6.4% to A$5.98, their biggest intraday gain
since November 2022
** Stock hits its highest level since Sept. 8
** Co posts H1 revenue of A$1.4 bln ($898.38 mln), up 5% YoY
** Adds Building Products, unit record EBIT of A$165 mln, up
18% on YoY
** Co's Building Products unit, drives most of CSR's
profitability
** Improved factory efficiency and operational performance
supported the strong result for unit - CSR
** Stock up 19.3% YTD as of last close
($1 = 1.5584 Australian dollars)
(Reporting by Roshan Thomas in Bengaluru)
((Roshan.Thomas@thomsonreuters.com;))