InterMountain Materials Company

intermountain materials vapor retarder vapor barrier concrete astm 1745-09 astm 1745 barrier bac stormwater management invisible structures pavers stego under slab vapor barrier under slab vapor retarder cart path tee box golf heat island raven industries paver restraint landscaping landscape architect landscape edging cmp pipe arched chambers hdpe pipe erosion control slope stability bunker drain drainage layer porous pavment acc cistern rainwater harvesting water hazards bunkers beach rings porous pavement patio waterproofing concrete slab architecture water vapor slab on grade under slab