I'm Ready To Order FOAMULAR® XPS Insulation Below-Grade Under Slab with FOAMULAR® XPS insulation. FOAMULAR® LT30 Download Technical Data Sheet FOAMULAR® LT40 Download Technical Data Sheet FOAMULAR® 400 Download Technical Data Sheet FOAMULAR® 600 Download Technical Data Sheet FOAMULAR® 1000 Download Technical Data Sheet ADVANTAGES Durability Easy Installation Limited Warranty Moisture Management