Bullnose Edging Installation
How to install Hyperion® Frontier bullnose boards
Bullnose Edging Installation
For use with Hyperion® Frontier composite decking.
Bullnose boards are solid boards with a rounded edge. This can frame a decking area or work as a finishing touch needing a rounded edge board. The bullnose board has increased strength due to the solid internal structure and can be used as a step.
- Ensure to keep a 6mm expansion gap between edge board butt joints.
- The bullnose must be installed before laying down the decking.
There are two methods for installing bullnose boards:
Parallel bullnose board installation
Step 1
Where fixing the bullnose boards around a corner, mitre the ends at 45° angles.
Step 2
![](https://a.storyblok.com/f/162000/1200x800/526bb901f4/drilling-decking-starter-fasteners.jpg)
Secure starter fasteners onto the outer joist at 400mm intervals.
Step 3
![](https://a.storyblok.com/f/162000/1200x800/9245a32846/placing-bullnose-board-decking.jpg)
Line up the bullnose board and lay the underside groove directly on top of the starter fasteners.
Step 4
![](https://a.storyblok.com/f/162000/1200x800/71a4bd9976/locking-bullnose-board-decking.jpg)
Push the board forward to lock the board.
Step 5
Secure the remaining side of the bullnose board with hidden fasteners.
Perpendicular bullnose board installation
Step 1
![](https://a.storyblok.com/f/162000/1200x800/744e86bba9/decking-substructure-double-joists.jpg)
Step 2
![](https://a.storyblok.com/f/162000/1200x800/26c98acd3e/drilling-decking-fasteners-double-joists.jpg)
Secure starter fasteners onto the outer joist at 400mm intervals.
Step 3
![](https://a.storyblok.com/f/162000/1200x800/c7e6422bd3/screwing-bullnose-board-decking.jpg)
With the bullnose board in place, screw through the hidden fastener groove at a 45º angle, securing it to the joist.
- Pre-drill pilot holes in the deck boards 2mm wider than the screw shank.
- Do not over drive screws into the deck boards to avoid the material splitting.