FAQ – Non-Absorbent Acrylic Primer

Q: What is Michael Harding Non-Absorbent Acrylic Primer used for?

A: Michael Harding Non-Absorbent Acrylic Primer (NAAP) is a versatile product suitable for
application on various surfaces, including linen, wood, MDF, and more. It is designed to
create a robust, flexible, permanent, and intensely pigmented ground, making it an excellent
choice for both acrylic and oil paints.

Q: Can this primer be used on any surface?

A: Michael Harding Non-Absorbent Acrylic Primer (NAAP) is a versatile product suitable for
application on various surfaces, including linen, wood, MDF, and more. NAAP should not be
applied over surfaces treated with rabbit skin/hide glue or on unsound, flimsy supports such
as cardboard, opt for stable substrates to ensure the primer’s effectiveness. It is crucial to
choose a stable and well-prepared surface for priming to ensure the longevity and integrity of
your artwork.

Q: How do I prepare the surface before applying the primer?

A: Dust off the surface to be primed with a lint free cloth. Lightly sand the surface with a very
fine grade dry sandpaper. Dust off the surface again with a lint free cloth.
Apply a generous layer of Michael Harding Non-Absorbent Acrylic Primer with a wide flat
brush, brushing in both horizontal and vertical directions. For application tips click the “Watch
Tutorial” at the bottom of the primer page

Q: . Is the primer suitable for both oil and acrylic painting?

A: Michael Harding Non-Absorbent Acrylic Primer an excellent choice for both acrylic and oil
paints.

Q: How long does it take for the primer to dry?

A: A good layer of Michael Harding Non-Absorbent Acrylic Primer is typically touch dry after
approximately 1 hour.

Q: How many coats of primer should I apply?

A: Apply a minimum of two coats of NAAP to your chosen support, ensuring liberal coverage
for optimal results. For more application tips and tutorials please click link below*

Q:  Can I thin the primer, and if so, with what?

A: Dilution for Flow: If you desire increased flow, dilute NAAP with a mixture of 1 part water
to 4 parts NAAP. This adjustment allows for customization based on your artistic
preferences.

Q: Is the primer non-toxic?

A: Care should be taken when using this product if sanding primers do so in a well-ventilated
room. Keep out of reach of children. Contains Isothiazolinones, avoid eye and skin contact.
For all safety information please click here. 

Q: What is the coverage area of a single container of primer?

A: Because there’s so much variation in absorbency and texture of grounds, and because
individual technique is a factor, each artist’s experience will vary, but we can give some
general guidelines. We estimate one pint of NAAP will cover about 12 to 37 square feet.

Q: How should I apply the primer for the best results?

A: Michael Harding Non-Absorbent Acrylic Primer (NAAP) is a versatile product suitable for
application on various surfaces, depending on the surface, apply 2 coats. First coat may be
applied 25% diluted with water to increase flow and coverage if required. Apply second coat
once first coat is touch dry (approx. 1 hour).