A bucket of Inland's RC-1850 Silicone Seam Compound.

Seal waterproofing fasteners, cracks, seams and penetrations with RC-1850 Silicone Seam Compound. Strong, yet flexible for handling seasonal expansion and contraction, it’s also a great choice for roof repairs.

Benefits of RC-1850 Silicone Seam Compound

  • One-coat application

  • Lasting strength and flexibility

  • Can be applied by trowel or brush

  • VOC compliant

Types of Applications

  • Metal buildings and roofs

  • Fasteners, flashings and gutters

  • Modified bitumen and built-up roofs

  • EPDM, Hypalon and TPO roofs

  • Polyurethane foam and concrete surfaces

Other Resources

1800 Series Product Brochure
RC-1850 Technical Data Sheet
RC-1850 Safety Data Sheet

Backed by Inland

Along with protecting buildings and equipment, our business protects your business. Every step in our production process is monitored to ensure quality control, and every Inland Coatings product is backed by more than 40 years of proven quality. For worry-free waterproofing systems, choose Inland.