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All Categories > Flooring Materials and Coatings > Floor Underlayment and Accessories > BASF > Primer 800  
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Primer 800

Primer 800 is a ready-to-use, filmforming, re-emulsifying PVA-resin sealer and bonding agent for underlayments. Used over precast and
cast-in-past concrete, wood, and plywood, it reduces substrate porosity and promotes adhesion of the underlayment. It contains no VOCs and has low odor.


200 – 300 ft2/gal (4.88 – 7.32 m2/L)
A test area is recommended to determine actual coverage. Coverage will vary with surface porosity.


1 gallon (3.8 L) bottles
5 gallon (18.9 L) pails

Milky white

Item #

Product Name


Unit Quantity

TH800.1G Primer 800 1 gallon pail Per Gallon
TH800.5G Primer 800 5 gallon pail Per Gallon in 5 Gallon Pail


BASF Primer 800 Data Sheet