Hi,
i have 2 separate question kindly need some feedback.

1) My powder coating on my wrought iron grill is peeling off.Any advice on how to coat it?Is it possible to DIY powder coating?

2) Any1 have an idea how much it cost for PU injection for open flat roof top for car porch?Is it better for PU injection or i need to regrout it?Have tried to use Sika 500 but it still leak.

Thank you.