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


NO BUMP FLOOR COVER SYSTEM

Fire Rated System icon represents approvals and listings with accredited laboratories. Seismic Design icon represents systems that accommodate multi-directional seismic movement. ADA Compliant icon represents systems that comply with the Americans with Disabilities Act guideline. No-Bump System icon represents expansion joints that provide flush, no-bump floor-to-floor transitions. Corner Condition icon represents availability of corner condition floor, wall and ceiling expansion joints.

HDL-NB Nominal “JT” Joint Opening “JT” Total Movement Sight Line “SL”
Seismic Min. Thermal Min. Max.
HDL-NB-3-1.5 3.0" 76 0.625" 16 2.625" 67 5.0" 127 4.375" 111 6.50" 165
HDL-NB-4-2 4.0" 102 0.625" 16 3.625" 92 6.0" 152 5.375" 137 9.00" 229
HDL-NB-6-2 6.0" 152 0.625" 16 5.625" 143 8.0" 203 7.375" 187 10.00 254
HDL-NB-6-3 6.0" 152 0.625" 16 5.625" 143 9.0" 229 8.375" 213 11.25" 286
HDL-NB-8-4 8.0" 203 0.625" 16 7.625" 194 12.0" 305 11.375" 289 13.00" 330