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Burnishing

Blocking

Blistering

Caulk Failures

Cracking / Flaking

Foaming / Cratering

Lapping

Mildew

Mud Cracking

Picture Framing

Poor Flow / Levelling

Poor Hiding

Poor Print Resistance

Poor Scrub Resistance

Poor Sheen Uniformity

Poor Stain Resistance

Roller Marks / "Stipple"

Possible Cause:
  • Use of incorrect roller cover
  • Use of lower grades of paint
  • Use of low quality roller
  • Use of incorrect rolling technique
Solution:
  • Use the proper roller cover; avoid too long a nap for the paint and the substrate. Use quality rollers to ensure adequate film thickness and uniformity. PARA ULTRA top quality Paints roll on more evenly due to their higher solids content and levelling properties. Pre-dampen roller covers used with latex paint; shake out excess water. Don't let paint build up at rollers end. Begin rolling at a corner near the ceiling and work down the wall in three foot square section. Spread the paint in a zigzag "M" or "W" pattern, beginning with an upward stroke to minimize splatter; then, without lifting the roller from the surface, fill in the zigzag pattern with even, parallel strokes.

Roller Splattering

Sagging

Surfactant Leaching

Wrinkling

Yellowing

 of a yellow cast in aging paint; most noticeable in the dried films of white paints or clear varnishes
Possible Cause:
  • Oxidation of alkyd or oil-based paint or varnish
  • Heat from stoves, radiators and heating ducts
  • Lack of light (e.g., behind pictures or appliances, inside closets, etc.)
Solution:
  • PARA ULTRA top quality 100% Acrylic Latex Paints do not tend to yellow, nor do PARA ULTRA varnishes. Alkyd paints, because of their curing mechanism, do tend to yellow, particularly in areas that are protected from sunlight.