

MaX 16 & MaX 12 with GridMarX
Innovation changing the way you build
Reduce material costs and increase productivity with the powerful combination of GridMarX® installation guide marks and the MaX 12® and MaX 16® fastener patterns. Simple. Efficient. Effective.


Introducing the MaX 16 fastener pattern
The industry’s only 16” o.c. optimized fastener pattern for single layer, 1‐hour UL fire‐rated assemblies on metal framing spaced 16” on center.

MaX Calculator
How much can you save on your next project using the MaX 12 or MaX 16 fastener pattern with GridMarX guide marks?


Quickly identify fastener pattern

Guide marks in 4" increments

Increase speed of installation

Apply fasteners accurately without snapping chalk or penciling lines

Easily cover GridMarX with standard paint
Resources

Working Properties Brochure
Download our brochure featuring 1-hour UL designs using MaX 12 and MaX 16, a fastener pattern selector chart and GridMarX system guide.

Excellence in Construction Innovation
The MaX 12 fastener pattern was recognized as an exceptional industry innovation with the 2021 AWCI Excellence in Construction Innovation Award.
Need proof?

MaX 12 Side-by-Side Installation
Time motion study conducted by RSMeans data from Gordian, the leader in construction data and cost estimating.
Watch Video
Clemson University College of Business
DPR Construction time study comparing the installation of PURPLE drywall featuring GridMarX and MaX 12 to traditional drywall.
Watch VideoExcellence Across The Board®
The National Gypsum name has been synonymous with high-quality, innovative products and exceptional customer service since 1925. Tap into technical support with a call to 1-800-NATIONAL® or your regional construction design manager, place an order through our award-winning customer service center, or find the answers you need at our online Design & Resource Center.
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