Decking Profile
Pregrooved Decking
Nominal: Various (1x6, 5/4x6) · Actual: Grooved edges for hidden fastener clips
Dimensions
Nominal Size
Various (1x6, 5/4x6)
Actual Size
Grooved edges for hidden fastener clips
Recommended Joist Spacing
16" O.C. recommended
Lumber is sold by nominal size but the actual dimensions are smaller due to milling and drying.
Overview
Pregrooved decking boards feature precision-milled grooves along both edges that accept hidden fastener clips, creating a screw-free deck surface. This profile eliminates visible screw heads, reduces the risk of splitting, and creates a sleek, premium appearance. Pregrooved boards are available in most popular decking species and are the preferred choice for high-end residential and commercial projects where aesthetics are paramount.
Available Species
Best Uses
- Premium residential decks where a clean surface is desired
- Pool decks — no exposed screw heads for barefoot comfort
- Rooftop decks and outdoor living spaces
- Commercial installations with high aesthetic requirements
- Curved or radius deck designs where clip systems excel
Installation Tips
- 1Start with a face-screwed first board, then use clips for remaining boards
- 2Ensure groove depth matches your chosen clip system
- 3Maintain consistent spacing using clip spacer tabs
- 4Pre-drill the first and last boards that must be face-screwed
- 5Order 5-10% extra material for cuts around obstacles
Fastener Recommendations
- Hidden clip systems: Ipe Clip Extreme, Tiger Claw TC-G, Camo Edge
- First and last boards: Face-screw with stainless steel, countersunk and plugged
- Stainless steel clips required for hardwoods (galvanized may corrode)
- Approximately 20 clips per 20 sq ft of decking
- Check clip manufacturer compatibility with your board thickness
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