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Acrobase HB

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Acrobase HB Product Data Sheet


100% acrylic, fiber-reinforced base coat, adhesive and leveler that is field-mixed with Type I or Type II Portland cement.


1. For use with the Acrocrete® AcrowallTM systems to adhere expanded polystyrene insulation board to the following approved substrates: ASTM C1177 type sheathings, including DensGlassTM exterior sheathing, e2 XPTM sheathing, GlasRoc® sheathing, SecurockTM glass-mat sheathing, Weather DefenseTM Platinum sheathing, GreenGlass® sheathing, PermaBaseTM cement-board by National Gypsum and other cement-boards (ASTM C1325 Type A Exterior), gypsum sheathing (ASTM C79/ASTM C1396), poured concrete/unit masonry.

2. To adhere expanded polystyrene insulation board to expanded polystyrene insulation board.

3. To embed ACROCRETE REINFORCING MESH, ACROBASE HB can also be used for leveling masonry, stucco and other cementitious substrates. ACROBASE HB can be applied at a maximum thickness of 6 mm (1/4”).


• Vapor permeable

• Easy application

• Water clean up

• VOC compliant

• Fiber reinforced

• Excellent weather resistance

• High build to 1/4 inch thickness


27.2 kg per 19-liter pail (60 lbs per 5-gallon pail)


Approximate coverage rates are as follows:

1. Adhere EPS insulation board to substrate: 14.8 m2 (160 ft2 ) per pail via notched trowel method, 16.7 m2 (180 ft2 ) per pail via ribbon & dab method

2. Embed ACROMESH 4: 29.7 m2 (320 ft2 ) per pail |  Embed INTERMEDIATE 12: 21.3 m2 (230 ft2 ) per pail  |Embed HI-IMPACT 20 & ACROMESH 4: 16.7 m2 (180 ft2 ) per pail

3. Adhere EPS insulation board to substrate and embed ACROMESH 4: 11.1 m2 (120 ft2 ) per pail 4. As a SKIM COAT for stucco and masonry surfaces: coverage will vary depending on the irregularity of the surface