Always use Malco brand staples for superior strength!
FBSN1- 1-1/2” (38.1 mm) staples are designed to secure 3/8in. (9.5mm) or 1/2 in. (12.7mm) pex to 1” (25.4 mm) foam board.
FBSN2- Additional barbs on 2-1/2” (63.5 mm) staples “Double the Holding Power” are designed to secure 3/8in. (9.5mm), 1/2 in. (12.7mm), or 5/8in. (15.9mm) pex to 2” (50.8 mm) foam board.
Stapler and Staples (FBSN, FBSN1 & FBSN2) are compatible with most other popular brands of foam board stapling systems.
Extra Sharp Dual-Barbed Staples
Dual-Barbed foam board staples increase bite and holding power