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MASTERSEAL SL 1 ONE-COMPONENT SELF LEVELING SEALANT 5GL LIMESTONE

Item #: SONSL1LI.5  |  Mfr #: 324322
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BASF MASTERSEAL SL 1 LIMESTONE 5 GAL

MasterSeal SL 1 is a one-component elastomeric, self-leveling polyurethane sealant

Formerly Sonolastic SL 1

MasterSeal SL 1 is one component, non-priming, self-leveling elastomeric polyurethane designed for expansion joints in concrete floors and decks. Use it where flexibility as well as abrasion and puncture resistance are required.

It is used in horizontal, interior and exterior, expansion joints, control joints, pavers, plaza decks, industrial floors, driveways/garages, sidewalks, decks, parking structures and pitch pans.

  • Variety of types and sizes of packaging to help reduce jobsite waste
  • Wide application temperature range makes MasterSeal SL1 suitable for all climates
  • Excellent weatherability for long-lasting performance
  • Movement capability of ±25% allows expansion and contraction with joint movement
  • Abrasion resistant to provide for longer wearing and durability
  • Easy to gun for quick installation
  • No priming needed on most surfaces, offering excellent adhesion
  • Self-leveling, so no tooling needed


Joint Size D x W Inches 1 Gallon 10.3 Fl. Ounce Tube 20.3 Fl. Ounce Sausage 2 Gallon 4.5 Gallon Pail
3/16 x 1/4 411 33 64 821 1848
3/16 x 3/8 272 22 43 548 1232
3/16 x 1/2 205 16 32 411 924
3/16 x 5/8 164 13 26 329 739
3/16 x 3/4 137 11 21 274 616
1/4 x 1/4 411 33 64 821 1848
1/4 x 3/8 272 22 43 548 1232
1/4 x 1/2 205 16 32 411 924
1/4 x 5/8 164 13 26 329 739
1/4 x 3/4 137 11 21 274 616
3/8 x 1/4 411 33 64 821 1848
3/8 x 3/8 272 22 43 548 1232
3/8 x 1/2 205 16 32 411 924
3/16 x 5/8 164 13 26 329 739
3/8 x 3/4 137 11 21 274 616