Hex Head Fasteners Sealing Washer Installation Problems- Causes and Remedies
| Problem | Cause | Remedy |
| Sealing Washer squashing or bursting out from under the fastener head. | Incorrect product | Sealing Washers are only suitable for Hex Head fastener's designed for fixing roof or side cladding cladding. |
| Over tightening of the fastener. | Release the trigger on the driver tool as the fastener meets the metal surface being fixed into. | |
| Too much pressure is applied to the fastener. | ||
| Fastener not driven at right angles to the cladding. | Hold the fastener at 90 degrees to the cladding. | |
| Fastener not held at right angles and at the center of the crest or valley of corrugated profile. | Hold the fastener at 90 degrees to the cladding and ensure the fastener is at the center of the profile crest or valley. |