Products / WeatherBond XFP HD Composite

A composite roof insulation panel of a 1/2 inch high-density polyiso cover board laminated on-line to XFP polyiso insulation, replacing a separate cover board, in 47.5 by 95.5 and 47.5 by 47.5 inch panels from 1.5 to 4.0 inches thick. The bulletin says it achieves FM Very Severe Hail classification, FM 1-90 with 6 fasteners and uplift ratings up to 300 psf over steel deck, and lists ASTM C1289 Type II, Class 4, Grade 1 for the cover board and Type II, Class 2, Grade 2 for the base insulation.