by Building Type
by Application Criteria
by Design Guide

Browse LASM Drawing Files
Working in BIM?


LASM 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.

LASM
Nominal
"JT"
Joint Opening "JT"
Total Movement
Sight Line "SL"
Min.
Max.
LASM-1-1 1.0" 25 0.125" 3 2.00" 51 1.88" 48 5.438" 138
LASM-2-1 2.0" 51 1.000" 25 3.00" 76 2.00" 51 5.438" 138
LASM-3-1 3.0" 76 2.000" 51 4.00" 102 2.00" 51 6.438" 164
LASM-3-1.5 3.0" 76 1.500" 38 4.50" 114 3.00" 76 6.438" 164
LASM-4-2 4.0" 102 2.000" 51 6.00" 152 4.00" 102 7.438" 189
LASM-5-2.5 5.0" 127 2.500" 64 7.50" 191 5.00" 127 11.125" 283
LASM-6-3 6.0" 152 3.000" 76 9.00" 229 6.00" 152 11.438" 291
LASM-8-4 8.0" 203 4.000" 102 12.00" 305 8.00" 203 15.188" 386
LASM-9-4.5 9.0" 229 4.500" 114 13.50" 343 9.00" 229 14.188" 360
LASM-12-6 12.0" 305 6.000" 152 18.00" 457 12.00" 305 19.188" 487