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Browse X-M Drawing Files
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X-M Spec Data Sheet (.pdf)
EJA 3-Part Master Spec (.doc)


Fire Rated System icon represents approvals and listings with accredited laboratories. Color Match Options icon represents a choice between standard, custom or project specific color matching. Seismic Design icon represents systems that accommodate multi-directional seismic movement. Heavy Duty System icon represents heavy-duty load carrying capability for floors and vandal resistant wall systems. Corner Condition icon represents availability of corner condition floor, wall and ceiling expansion joints.

X-M Nominal "JT"
Joint Opening "JT"
Total Movement
Sight Line "SL"
Seismic Min.
Thermal Min.
Thermal Max.
 Seismic Max.
X-M-1 1.0" 25 0.0" 0 0.750" 19 1.250" 32 2.875" 73 2.875" 73 4.3125" 110
X-M-1.5 1.5" 38 0.0" 0 1.125" 29 1.875" 48 2.875" 73 2.875" 73 4.3125" 110
X-M-2 2.0" 51 0.0" 0 1.500" 38 2.500" 64 3.500" 89 3.500" 89 5.3125" 135
X-M-3 3.0" 76 0.0" 0 2.250" 57 3.750" 95 4.250" 108 4.250" 108 6.1875" 157