AS-100 AS-100 is a premium interior / exterior acrylic primer designed for use with CMP’s line of underlayment’s and toppings. AS-100 can be used on a wide variety of substrates including concrete, wood, well bonded VCT, Epoxy, Gypsum underlayment, cutback and other adhesive residues not affected by water. AS-100 is quick drying and with a unique ability to bond to both porous and non-porous substrates. Product Features: Can be rolled, broomed or spray applied depending on application Excellent Alkali resistance High solids content Pigmented for application visibility Water based and VOC compliant No dangerous emissions or irritating fumes Very low odor Will not harbor or support Mold or Mildew Low particle size for excellent penetration Can be applied to Green concrete a minimum of 5 days old Tenacious bond strength to a variety of surfaces Contributes points to LEED® Certified Projects