ElastiKote 1000 SEBS Mastic

ElastiKote® SEBS Mastic is a flexible, high performance, watertight, puncture-resistant ready-to-use single component fluid applied styrene ethylene butylene styrene (SEBS) reinforced liquid resin. ElastiKote SEBS Mastic is used in various restoration and waterproofing liquid applied membrane applications.
Product Data PDF

Full Description

When combined with a spun-laced high performance polyester fleece scrim, SEBS Mastic will form a monolithic, self-flashing and self-adhering reinforced waterproofing membrane for a variety of roofing restoration applications, such as: EPDM, Granular surfaced SBS modified bitumen, Hypalon®, APP, KEE (Elvaloy® ), PVC, Smooth Surfaced Asphalt BUR, Galvanized metal, Kynar®, Plywood, TPO, Smooth Surfaced Coal Tar Pitch BUR, Spray Polyurethane Foam, and Concrete.
ElastiKote SEBS Mastic can be utilized in the following applications where it may or may not be used in concert with polyester reinforcement. Reinforced (R) Non-Reinforced (NR).

  • Metal roofs preparation process at horizontal seams (R), vertical seams (NR), penetrations (R), flashings (R), and fastener heads (NR)
  • Restoration repair and reinforcement of expansion joints, transitions, and curbs (R)
  • Repairs (reinforced as necessary)
  • Flashings (R) (use SEBS Mastic for angles less than 90˚) (use SEBS Mastic and Reinforcement for 90˚ angles)
  • Seam repair (R)
  • Vertical flashing seams (R) ElastiKote SEBS Mastic is available in white or silver in 5–gallon re-sealable pails.

ElastiKote SEBS Mastic is manufactured in our ISO 9001:2008 Registered facility located in Seville, Ohio.

Technical Information

Physical Properties

Viscosity (cps) 300,000 +/- 50,000
Density at 77° F 7.5 lb/gal +/- 0.5
Application Caulking tube assembly, Brush, Roller or Trowel
Shelf Life 2 Years (unopened)
Coverage 22 – 26 sq ft/ gal
Approx. 45 – 50 linear ft/gal of 4” wide BAND by 3/16” depth depending on substrate

Fastener encapsulation rate at approximately 250 – 260 individual units per gallon with a dollop on each unit
Although ElastiKote SEBS Mastic contains formulated reinforcement, it is designed to work in concert with reinforcement scrim in all applications except when reinforcing the vertical seams of metal and when “dolloping” metal fasteners.