Concrete screws are a really fast and easy way to fix to masonry. Once the correct drill bit has been selected you can use these fasteners really quickly as there is no messing about- just drill the correct size hole and then screw the concrete screw into the hole!
LBT 238 / tip clip / Dave Hobbs / Dave Hobbs of Delphi Product and Service Solutions talks to us about the benifits, concerns and procedures involved in splicing and repair A/C lines and hoses in this tip clip excerpt from AVI’s A7 HVAC Test Prep course.