by Building Type
by Application Criteria
by Design Guide

Browse LASD Drawing Files
Working in BIM?


LASD Spec Data Sheet
(.pdf)
EJA 3-Part Master Spec
(.doc)


SEISMIC 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. Heavy Duty System icon represents heavy-duty load carrying capability for floors and vandal resistant wall systems. ADA Compliant icon represents systems that comply with the Americans with Disabilities Act guideline. Corner Condition icon represents availability of corner condition floor, wall and ceiling expansion joints.

LASD
Nominal
"JT"
Joint Opening "JT"
Total Movement
Sight Line "SL"
Min.
Max.
LASD 1-1 1.0" 25 .25" 6 2.0" 51 1.75" 44 3.0" 76
LASD 2-1 2.0" 51 .25" 6 3.0" 76 2.75" 70 4.0" 102
LASD 3-1.5 3.0" 76 .25" 6 4.5" 114 4.25" 108 5.875" 149
LASD 6-3 6.0" 152 .25" 6 9.0" 229 8.75" 222 9.375" 238
LASD 12-6 12.0" 305 .25" 6 18.0" 457 17.75" 451 18.375" 467
LASD 18-9 18.0" 457 .25" 6 27.0" 686 26.75" 679 27.375" 695