When tile floors stay dirty no matter how often they’re cleaned, the issue is usually layered buildup. Grease, old cleaner residue, waxes, and embedded dirt can stack over time and create a film that standard cleaning won’t remove.

For contractors, this shows up as callbacks: “The floor still looks dirty.” In most cases, the tile is fine — it just needs to be stripped and reset.

Double-stripping is a controlled way to break down and remove heavy buildup so the surface can be cleaned properly again.

Why Tile Floors Develop Heavy Buildup

Tile doesn’t absorb contaminants easily, so everything sits on the surface. Over time, layers form from:

• Grease and oils
• Soap and cleaner residue
• Wax or topical coatings
• Dirt trapped in previous cleaning layers
• Hard water and mineral deposits

This creates:

• Dull or cloudy appearance
• Streaking after mopping
• Sticky or tacky feel
• Dark grout lines
• Uneven finish

Once layers build up, regular cleaners just move the residue around.

 

Where DEC 21 + FABER 30 Fit In

For double-stripping, using the right combination of products matters. Why do we need two different products? DEC 21 is a solvent-based stripper (it melts polymers, waxes, and synthetic films), while FABER 30 is a highly alkaline cleaner (it breaks down heavy grease and organic dirt). These work on the two different stages needed to break down all the accumulated barriers developed over time.

• DEC 21 is typically used in the first phase to remove waxes, coatings, and surface buildup.
• FABER 30 is used in the second phase to break down grease, dirt, and organic residue.

Together, they address both layers of buildup — surface coatings and embedded grime — making them effective for restoring heavily used tile floors. This is a Wet-on-Wet application: You should pour FABER 30 directly on top of the DEC 21 while it is still working. This creates a very powerful chemical emulsion, and most importantly, it saves time and effort by skipping an entire rinsing step in the middle of the job!

 

How to Double-Strip Tile Floors to Remove Dirt and Grime Buildup

FIRST, What Not to Do

Before stripping, avoid common mistakes that make buildup worse:

• Don’t keep using more grocery store cleaner – it adds to the problem
• Don’t use wax or shine products to “fix” dull floors
• Don’t mix random chemicals
• Don’t rely on light cleaning for heavy buildup

If buildup is layered, it needs to be broken down in stages.

Step-by-Step: How to Double-Strip Tile Floors

Double-stripping uses two cleaning phases to remove different types of buildup.

Step 1 – Remove Loose Dirt
Sweep or vacuum thoroughly before applying any cleaner.

Step 2 – First Strip (Remove Coatings and Residue)
Use DEC 21, designed to break down waxes, coatings, and heavy surface residue.

• Apply evenly across the floor
• Allow proper dwell time
• Agitate with a scrub brush or floor machine
• Extract or mop up dirty solution

This step removes the top layer of buildup.

Step 3 – No Need to Rinse the Surface at This Point
With normal cleaners, you would rinse with clean water to remove loosened residue before proceeding to the next step.

Step 4 – Second Strip (Deep Degreasing)
Use the strong alkaline cleaner FABER 30 directly on top of the DEC 21 while it is still working to break down grease, organic dirt, and remaining contaminants.

• Apply cleaner evenly
• Allow dwell time
• Scrub thoroughly, focusing on grout lines
• Extract or rinse completely

This step removes any embedded grime that the first strip doesn’t reach.

Step 5 – Final Rinse
Rinse the stripped surface thoroughly with clean water. This is critical to remove all remaining residue and cleaning solution.

Step 6 – Allow to Dry and Inspect
Once dry, the surface should look clean, even, and free of haze or streaks. At this point, the tile is reset and ready for proper maintenance.

 

 

Simple Maintenance Routine

After double-stripping, maintenance is what keeps the floor from returning to the same condition.

Weekly

• Sweep or vacuum
• Clean with a zero-residue tile cleaner like Faber Algafloor. Using a zero-residue cleaner is the only way to break the cycle and ensure the floor won’t need to be double-stripped again later.

Monthly

• Address high-traffic areas before buildup forms using FABER 30

As Needed

• Double-strip deep clean problem areas early with Faber DEC 21 + FABER 30

Pro-Tip: Avoid soap-based cleaners and generic cleaning products.

Find Professional Applicators Here

 

Quick Takeaway

If tile floors stay dull, streaky, or sticky after cleaning, the issue is usually layered buildup. Double-stripping removes both surface residue and embedded grime, restoring the floor to a clean, maintainable condition.

 

FAQ – Double-Stripping Tile Floors

What is double-stripping?
A two-step cleaning process that removes both surface coatings and deep grime buildup.

Why isn’t regular cleaning working?
Because buildup has formed in layers that standard cleaners can’t break down.

Do I need both steps?
Yes. One step removes surface residue; the second removes embedded dirt and grease.

How do I know if my floor needs double-stripping?
If it looks dull, streaky, or sticky even after cleaning, buildup is likely present.

How often should double-stripping be done?
Only as needed when heavy buildup occurs — not as routine maintenance.