OMG Purlin Fasteners are designed for attaching single-ply membrane systems to structural steel purlins (12-18 gauge) in standing seam metal roof retrofit applications. The OMG Purlin Fastener is available in five sizes from 3.75- to 8-inches.
Features & Benefits
- The OMG Purlin Fastener drills through up to 12 gauge steel in seconds.
- The 3/4-in. drill point allows the fastener to be drilled through the purlin before the threads engage into the the standing seam metal roof.
- Low profile hex head has a smooth surface to prevent damage to the membrane.
OMG Purlin Fasteners must penetrate the purlin a minimum of 1-in. This ensures a minimum of 1/4-in. thread penetration into the structural member. Using a screw gun with a maximum of 1800 RPM, drive the fastener through the purlin until a slight depression is seen around the plate.
Prior to job start, contact OMG to perform a pull out test to determine deck suitability and pullout values.
Note: Caution should be taken not to overdrive the fastener causing stress plate surface to deflect more than 1/16-in. Prior to job bid, contact OMG to visit the job site and inspect the deck.
Thread Diameter: .210-in. (5.3 mm)
Head Diameter: .435-in. (11 mm)
Head Style: ¼-in. Hex Head
Shank Diameter: .170-in. (4.31 mm)
Coating: OMG CR-10 corrosion resistant coating passes the corrosion requirements of FM Approval Standard 4470 and EAD 030351-00-0402.
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