Weakest Link Self Drilling Screws 1

Self Drilling Screws / ROOF Fixing Fasteners .

Screws are the weakest link between the metal sheets and the structure. Any Compromise in Quality leads to failure and costly repairs.

Following Photos are examples of such hits.

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Screws are wrongly fixed in Valley. Failure / Corrosion on Sheets due to Poor Quality Fasteners.

New Metal Sheets Installed with Zinc Coated Fasteners.

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Screws have given away due to stress. Installation Challenge

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Rust due to conductive washers. Reason for using NON Conductive DEKS EPDM Washers

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Rust on Screws leads to Stains and corrosion

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Due to Rust on Screws leads to Stains and corrosion

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Number of Fasteners have to be adequate, Else…. Sheets have flown….

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Number of Fasteners have to be adequate, Else…. Sheets have flown….

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Reputation is rusted over a Stained Roof.

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Corrosion on Roof due to fasteners

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Corrosion on Roof due to fasteners

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Corrosion on Roof due to fasteners

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Corrosion on Roof due to fasteners

Screws are not installed correctly, have loosen up and not holding the purlins.

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Corrosion on Roof due to fasteners

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