Boral's board has incurred a first "strike" with a heavy vote against its remuneration report as the building materials company also warned significant wet weather has hurt business activity in recent months.

Shareholders delivered the company a first strike at its annual general meeting in Sydney on Thursday, with 26.1 per cent of votes cast against the executive pay report. Boral chairman Brian Clark said the company had tried to explain the rationale behind its remuneration report to investors ahead of the…