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How to sanitize doorknobs: Step-by-Step

Reviewed by Zac Kieffer

Updated: September 16, 2025

Easily sanitize doorknobs with E-Cloth—no harsh chemicals needed. Simple, effective cleaning for a safer, healthier home.

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How to sanitize doorknobs: Step-by-Step

Tools:

E-Cloth
Disinfectant with at least 70% alcohol
Bleach solution
Spray bottle
Clean water

Gather Your Supplies

Get a disinfectant containing at least 70% alcohol or a proper bleach solution.
Have a clean microfiber cloth ready.

Apply the Disinfectant

Spray the disinfectant evenly on the doorknob.
Let it sit for the time recommended on the label (usually 3–5 minutes) to effectively kill germs.

Wipe It Down

Thoroughly wipe the surface with your microfiber cloth, ensuring you cover all parts of the knob.
Focus on crevices and details where germs can hide.

Let It Air Dry

Leave the doorknob to dry completely before using it again.

Precautions:

Protect Your Hands

Wear disposable gloves to prevent skin contact with harsh chemicals.

Use Approved Disinfectants

Choose disinfectants that are proven effective against germs and viruses.

Ensure Proper Ventilation

Work in a well-ventilated area to reduce inhalation of chemical fumes.

Avoid Chemical Mixing

Never mix different cleaning agents to prevent dangerous reactions.

Follow Manufacturer’s Directions

Read and adhere to the label instructions for safe and effective use.

Use Clean Tools

Employ a fresh cloth or disposable wipe for each application to prevent cross-contamination.

Keep Products Out of Reach

Store all cleaning products safely, especially away from children and pets.

How to Correctly Sanitize The Doorknobs: Extra Tips

Proper Preparation

Clear the area: Ensure the surrounding surfaces are clean, removing dust or dirt that might interfere with the sanitizer.
Wear gloves: Avoid skin contact to protect your hands and the doorknob from improper cleaning residue.
Ventilate: Open windows or turn on a fan to keep the air fresh and reduce chemical smells.

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Selecting the Right Cleaning Product

Use EPA-approved disinfectants: Choose products that list effectiveness against germs, or a diluted alcohol solution.
Follow the label: Read and heed instructions regarding contact time and safe usage.
Avoid abrasive chemicals: Prevent damage to metal or painted surfaces by steering clear of harsh chemicals.

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Effective Sanitizing Technique

Saturate a cloth or paper towel: Soak it with the chosen disinfectant ensuring it’s damp but not overly wet.
Wipe thoroughly: Cover all parts of the doorknob, including edges and hinges if accessible.
Allow proper contact time: Let the sanitizer sit on the surface as recommended to ensure germs are killed.

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Post-Sanitization Steps

Let dry: Allow the doorknob to air dry completely before touching to maintain effectiveness.
Dispose properly: Safely discard used wipes or cloths after application to prevent re-contamination.
Regular maintenance: Clean frequently to keep germs at bay and reduce the buildup of grime over time.

Common Mistakes When Sanitizing Doorknobs

Mistake: Using Too Much Cleaner

Over-spraying can lead to sticky residues that attract more dirt and grime later.
Excess chemicals might damage the finish on some doorknobs, leading to discoloration or wear.
Always use the minimal amount necessary for effective cleaning.

Mistake: Neglecting Proper Disinfection

Simply dusting or wiping without proper disinfecting might leave harmful germs behind.
Doorknobs are high-touch areas that can carry bacteria and viruses if not disinfected regularly.
Use a disinfectant with proven efficacy against common pathogens to ensure thorough sanitizing.

Mistake: Using the Wrong Cleaning Tools

Using abrasive scrubbers or rough cloths can scratch or damage the surface of doorknobs.
Opt for microfiber cloths or soft cleaning sponges that effectively pick up germs without harming surfaces.
Avoid mixing cleaning tools between surfaces to prevent cross-contamination.

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How Often to Sanitize Doorknobs

Sanitization Frequency for Doorknobs

Daily Routine: For most homes, a once‐a‐day sanitization is a good baseline. Doorknobs are high-touch surfaces that collect germs throughout the day, so cleaning them daily helps keep bacteria and viruses at bay.
High-Traffic Areas: In spaces where a lot of people pass through—like offices, schools, or public lobbies—sanitize doorknobs every few hours (around every 4 hours). Increased frequency minimizes the build-up of contaminants in shared environments.
During Illness or Outbreaks: If someone in the household or workspace is sick, it’s wise to up the frequency to every 2-3 hours. This extra step helps reduce the chance of spreading infections among residents or colleagues.
After Returning From Crowded Areas: Occasionally, sanitizing immediately upon returning home can be effective. This is especially true if you’ve been in crowded places where pathogens are more likely to be picked up.

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