Precision Accuracy
Integrated spacing features ensure every board locks in with consistent, uniform gaps, giving the entire deck a clean and professional look from edge to edge.
Gapper
Deck Board Spacer
Gapper is FastenMaster’s precision spacing tool that quickly aligns and evenly gaps multiple deck boards at once, ensuring consistent, professional-looking installs with less measuring and guesswork.
Gapper
Deck Board Spacer
- Precision Accuracy
- Fail-Safe Tension
- Lightweight & Durable
ZipClip Hidden Deck Fastener
Fail-Safe Tension
Engineered tension keeps clips firmly seated and prevents over-pulling, protecting boards from stress, warping, or damage while maintaining secure placement throughout installation.
Lightweight & Durable
Constructed from high-strength, corrosion-resistant materials that stay light in the hand but tough on the job, delivering reliable stability and longevity in any environment.
The Difference Is in the Gap
Consistency helps every board come together with a clean and finished look.
Made for the bests installs
Spend less time checking measurements and more time watching your deck take shape.
Be ready for every project
Light enough to use all day and durable enough to be a tool you use for years to come.
documentation
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Part Numbers
| SKU | Packaging Quantity |
| FMGAPPER-2PK | 2 Gapper tools, 4 additional spacers |