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WR Grace Bituthene Mastic 29 oz

Brand: WR Grace Mfg#: 20190
Product#: 457GBM29OZ
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Bituthene Mastic is a rubberized, asphalt based mastic. It has excellent adhesion to structural concrete, masonry and wood. The VOC (Volatile Organic Compound) content is 200 g/L.


  • Seals terminations, edges of patches
  • Bitithene 3000 Membrane is a composite sheet of 56 mils of rubberized asphalt and 4 mils of cross-laminate, high-density polyethylene film. These two components combine to offer an extremely tough waterproofing barrier Is ideal for waterproofing all structural concrete, masonry or wood surfaces
  • This mastic should not be applied where it will be covered with Bituthene waterproofing membrane, except as permitted as a temporary cutoff
  • On vertical applications, the mastic must be applied to both the top and bottom terminations
  • Excellent adhesion
  • It should not be used as a primary waterproofing material
  • Bitithene 4000 System combines the Bituthene 4000 membrane (a composite sheet of 56 mils of rubberized asphalt and 4 mils of high-density polyethylene film) and Bituthene System 4000 Surface Conditioner which is used to condition all structural concrete, masonry or wood surfaces on which the Bituthene 4000 waterproofing membrane is applied
  • Bituthene Mastic is an integral part of the Bituthene waterproofing system
  • Bituthene Mastic is designed to seal terminations, edges of patches and overlaps in detail areas


  • Brand: WR Grace
  • Product Line: Bituthene
  • Packing Type: Tube
  • VOC Content: 200 g/l
  • Flash Point: 106 deg F
  • Media: Carbon Dioxide, Foam
  • Standards: VOC Compliant
  • Capacity: 29 oz
  • Application Method: Caulking Gun, Trowel
  • Specific Gravity: 1.3
  • Flammability Rating: 2
  • Odor/Scent: Characteristic
  • Base Type: Solvent
  • Form: Liquid
  • Composition: 1,2,4-Trimethylbenzene, Petroleum, Asphalt, Isopropylbenzene, Xylene
  • Type: 1-Part
  • Coverage: 65 Linear ft
  • Usage: Used to Seal Terminations, Edges of Patches and Overlaps in Detail Areas