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Rain Buster TOP900STN - RainBuster - 900 Polycarbonate Sealant/Adhesive

Item: RB900G
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RainBuster 900 is The Ultimate Waterproofing Sealant High-Grade Polyurethane high performance, polycarbamate elastomeric joint sealant/adhesive. It is trusted as the high quality standard in construction, industrial applications, and original equipment manufacturing.

RainBuster 900 has been formulated to perform under the most challenging conditions. Its unrivaled adhesion and flexibility allow it to maintain an air and watertight seal when faced with up to 35% joint movement.

Specifying RainBuster 900 eliminates the use of lesser sealants that create leak points. RainBuster 900 offers you outstanding quality, backed by a proven company - a combination that gives the ultimate peace of mind in water intrusion prevention.

  • Powerful Primerless Adhesion
  • Outstanding Flexibility
  • Withstands Extreme Joint Movement
  • Non-Shrinking
  • Permanently Flexible
  • Paintable
  • Fast Cure, Non-Sag, Easy to Gun
  • Adheres to Damp Surfaces
  • A part of the RainBuster Leak-Free Window Installation System
  • VOC, CARB, and AQMD Compliant
  • Lifetime Warranty


NameRain Buster TOP900STN - RainBuster - 900 Polycarbonate Sealant/Adhesive
Gemaire Item NumberRB900G
Manufacturer Product Number900STN
SKU - PIM Number1391689662425
ERP Number235142
Unit of MeasureEACH
Weight3.0 Pound (lb.)
Length8.5 Inches (in)
Width1.9 Inches (in)
Height1.9 Inches (in)
Hazardous MaterialNo
EPA Cert RequiredNo
Country of OriginUSA
Dry Time1 to 3 Hours to skin
UV ResistantYes
Tensile Strength250 psi
ApplicationFor sealing skylight perimeters and seams to prevent water intrusion
CompositionXylene, Methylene Diphenyl Isocyanate, Ethyl Benzene
For Use WithWood, Vinyl, Fiberglass and Metal
StandardsASTM-C920, CAN/CGSB-19, 13-M87, Federal TT-S-00230C (COM-NBS)
TypeHigh Grade, UV Resistant
GEM - Case Quantity