An expert explain what surface-active agent percolate is , and how to get rid of it .
TRIA GIOVAN
If you ’ve noticed those bothersome streaks on yourpainted bathroom wallsand wonder what they are , the technical term for them is " surfactant leach . " The streaks tend to seem in high - wet environment such as bathrooms and are the event of water - soluble ingredients in the blusher migrate to the airfoil . To learn more about wetter strip and what can be done about it , we talked to Monica Mothershead , senior merchant of interior paint atThe Home Depot .

Credit:TRIA GIOVAN
While it may seem like frequent cleanup would be the obvious way to prevent streaks on bathroom walls and cap , Mothershead says that does n’t actually break off the streaks from appearing . She strain the importance of right painting practices as the most effective direction to avoid the annoying mug , shares cleaning strategies for different paint close , and outline a four - stone’s throw wall cleanse routine to get disembarrass of the streak .
What Is Surfactant Leaching?
" Streaks onpainted bathroom walls , know as surfactant leaching , come about when piddle - soluble factor from latex paint migrate to the surface , " Mothershead says . These streaks typically pass off in spaces that experience high levels of moisture and humidness , such as bathrooms , where you ’ll often notice them on the walls or ceilings . Mothershead explicate the cause for wetting agent leaching , say , " The key ’s drying processis prolonged , allow these ingredients to ascend and make unsightly streaks . "
What to Do About Wall Streaks
While frequent cleansing wo n’t prevent streaks on your bath wall , Mothershead says thatproper house painting practicescan help . " Avoid painting when temperature are below 50º Fahrenheit or during coolheaded , damp conditions , " she say . Additionally , she recommend execute the fumes fan in the bathroom while you ’re using the distance to reduce wet level to help oneself prevent surfactant leaching .
How to Clean Streaks On Different Paint Finishes
While Mothershead says there is no blusher finish that can wholly wipe out surfactant leaching , she point out that using high - quality blusher and applying it under optimal consideration can reduce the danger of the bar . Her top pick for ahigh - wet arealike a privy isBEHR PREMIUM PLUS Interior Paint & Primer , which she order offers exceptional durability , a mildew - resistive polish , and ranking stain - blocking capabilities .
As for thepaint stopping point , Mothershead says , " The semi - gloss tooth enamel sheen not only enhances the room ’s coming into court but also provides sophisticated scrubbability , guarantee that your wall last out beautiful and light to wield . " Below , Mothershead percentage tips for how to scavenge streak on different rouge finishes to prevent control surface damage .
Flat, Eggshell, or Satin Finishes
These three paint finale are less long-lived , so Mothershead advises a easy approach . She recommendscleaning the wallspainted in one of these three finish with a soft detergent and water , and to avoid rough scrubbing to protect the wall surface .
Semi-Gloss or Glossy Finishes
" These are durable enough for strong cleaners but prone to scratches , " Mothershead explains . To prevent open damage , she intimate using warm water and a non - abrasive cleaner .
Latex Paint Finishes
grow to a mix of warm water and a non - abrasive cleaner for best results with latex paint finishes .
Tips for Routine Wall Cleaning to Get Rid of Wall Streaks
Prepare the room:“Remove all objects and scatter the walls with a tack cloth or cheesecloth , " Motherhead say . Once all items have been bump off and the walls and ceilings are fully disperse , lay down drop cloths to catch any drip mould .
Wash the rampart : Motherhead recommend using plain tender water for general cleansing and soapy water system for walls with blot . " Test your cleaning solution on a out of sight spot first , then clean from the top down with a mildly dampish sponge or sponge mop , " she says .
Clean spots : If you notice place and discolouration on the paries , harness those next . Mothershead recommends acting quickly on soil , using a damp rag or a non - abrasive parazoan on them . " For persistent sign , gently scour with abaking soda solutionor use a stiff cleaner if necessary , " she advises .
Touch up key : If cleaning the walls and handle the stained areas does n’t fully remove the streak , Mothershead recommends touching up the key . " Match the original pigment gloss and software method acting for unseamed results , " she warns . While most leaching issues will resolve on their own within a calendar month of normal weathering according to Mothershead , she says it ’s best to wait until the leach has totally unclutter before applying another coat of pigment .