Just 4 square feet can cost you.
This is a photograph of an actual extrusion weld salvaged from a construction site. We noted 14 different problems, each of which could lead to containment failure, in an area that is less than 2 feet x 2 feet.
Imagine the potential liability (and repair costs) if this caused a major containment failure on your project.
(To see a detailed description, mouse over the pins if you’re using a desktop computer and tap if you’re using a mobile device.)
![](https://cqasolutions.com/wp-content/uploads/2015/04/bad-weld.jpg)
![](https://cqasolutions.com/wp-content/uploads/2015/04/too-thin.jpg)
![](https://cqasolutions.com/wp-content/uploads/2015/04/heat-damage.jpg)
CAUSE: Usually caused by carelessness.EFFECT: Creates an additional repair, or weak point if not repaired.
![](https://cqasolutions.com/wp-content/uploads/2015/04/lack-of-extrudate.jpg)
![](https://cqasolutions.com/wp-content/uploads/2015/04/improper-tee-2.jpg)
![](https://cqasolutions.com/wp-content/uploads/2015/04/fishmouth2.jpg)
![](https://cqasolutions.com/wp-content/uploads/2015/04/nipple.jpg)
![](https://cqasolutions.com/wp-content/uploads/2015/04/improper-termination.jpg)
![](https://cqasolutions.com/wp-content/uploads/2015/04/lack-of-penetration.jpg)
![](https://cqasolutions.com/wp-content/uploads/2015/04/double-bead.jpg)
![](https://cqasolutions.com/wp-content/uploads/2015/04/moisture-bubble-2.jpg)
![](https://cqasolutions.com/wp-content/uploads/2015/04/moisture-bubble.jpg)
![](https://cqasolutions.com/wp-content/uploads/2015/04/burn-through.jpg)
![](https://cqasolutions.com/wp-content/uploads/2015/04/overgrind.jpg)
![](https://cqasolutions.com/wp-content/uploads/2015/04/improper-tee.jpg)