Probing a roof

recently i have encountered several roof consulting firms probing tpo welds with extemely sharp probes and i need some literature to stop them from causing probe damage to my roofs, Can anyone help?

Yes, our roofers team is do this well. so would give details what kind of help you want?

Roofing Services Toronto

The best tool for probing welds is a craftsman cotter pin extracter, you can either grind or hammer the tip a little bit make it a little dull and not too sharp. I have had one of those for years. Its also good to have one duct taped to pole for probing long welds standing up.