The vibration isolation curb shall be air and weather tight using an elastomeric seal, which is attached to the upper support frame with a galvanized steel clip. The seal shall extend down past the wood nailer of the lower support assembly and flash over the roof material at the wood nailer on the lower support curb.
NSMA stands for Navy Systems Management Activity (US DoD) Suggest new definition This definition appears very rarely and is found in the following Acronym Finder categories:
The Naval Station Great Lakes, Fleet Readiness Program (N92) provides Navy personnel (including active duty and retired military, reservists, DoD employees and family members) with a varied program of wholesome and constructive off-duty leisure activities, community recreation, fitness, youth services, entertainment and hospitality.