When nailing to a subfloor seated on concrete, it is important to choose a cleat that will not reach the concrete. This is achieved by using a shorter cleat or tilting the nailer to increase the angle of penetration.

• The nailer model Q500 can take 1-1/4" or 1-1/2" (32 & 38mm) 18-GA cleats. It can operate at a 50° angle only.

• Manual nailers models H300 & H330 or pneumatic nailers model P210 & P240 can take either L-type (2", 1-3/4" or 1-1/2") (38, 45 & 50mm) or T-type cleats (2" or 1-1/2") (38 & 50mm) . They nail at a constant 45° angle; or can be used at 54° with an optional adapter kit.

• To fix 33/32" (26mm)  boards with P210, P240, H300 and H330 nailers, remove the plastic base to apply a self adhesive Teflon base P-986

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This chart gives the penetration D of cleats into subfloor for various lengths and floor thickness.

Flooring	Cleat	Penetration (D)
		at standard angle *	at 54° angle  (with adapter)
3/8-1/2" (9-12mm)	1-1/4" (32mm) 18GA	1/2" (12mm)
3/8-1/2" (9-12mm)	1-1/2" (38mm) 18GA	5/8" (16mm)
1/2" (12mm)	1-1/2" (38mm)	3/4" (19mm)
9/16" (14mm)	1-1/2" (38mm)	11/16" (17mm)
3/4" (19mm)	1-1/2" (38mm)	9/16" (14mm)
3/4" (19mm)	1-3/4" (45mm)	3/4" (19mm)	1/2" (13mm) **
3/4" (19mm)	2" (50mm)	7/8" (22mm)	11/16" (18mm) **
33/32" (26mm)	2" (50mm)	7/8" (22mm) ***
*   Figures valid only with the standard (black) plastic base (H-108 or P-433) **   Requires H-089 adapter for H300 & H330 nailers; and P-089 adapter for P210 & P240 pneumatic nailers ***    Without the plastic base Note:   Figures given are approximate; always follow flooring manufacturer recommendations. Disclaimer

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