Watts Radiant Foamboard Staples, 2.25 in., Box of 300
Foamboard Staples are used with the Foamboard Stapler to staple Onix (3/8 in. or 1/2 in.), PEX (3/8 in. to 5/8 in.), and RadiantPEX-AL (3/8 in. to 5/8 in.) to a wide variety of foam insulation boards in slab-on-grade or slab-over-slab applications. Staples come in 1-1/2 in. and 2-1/4 in. sizes.