Some data is available from SPRI (in particular its reference manual titled Flexible Membrane Roofing: A Professional Guide to Specifications) and ... Repair Manual for Low-Slope Membrane Roof Systems, ARMA/NRCA/SPRI, 1997.
|Title||:||The Rehab Guide: Roofs|
|Author||:||United States. Dept. of Housing and Urban Development, Steven Winter Associates|