Koch-Chemie × THE FINISHER THE FINISHER "TexLock" fabric sealant 500ml

THE FINISHER × Koch-Chemie “TexLock” — fabric sealant against stains & re-soiling

What does TexLock do in the car? — The breathable fabric sealant impregnates seat covers, carpets and boot felt so they turn hydrophobic, cuts down re-soiling, makes stains easier to lift and keeps the original feel – invisible, breathable, ideal after a thorough interior clean.

THE FINISHER TexLock fabric sealant protects hard-worked automotive textiles for everyday use: liquids bead off, dirt struggles to grab hold, and the fibre stays grippy and breathable. The formula bonds into the fibre structure without a silicone film or that greasy sheen. Perfect after cleaning with InsideUp or spot-treating with LeatherTexClean – especially on seat faces, floor mats, carpet and boot felt. The result: more time to dab up spills, fewer tide marks, and follow-up care that's far easier.

• Hydrophobic protection: liquids bead off and stains soak in more slowly; spot-on for everyday moments like coffee, soft drinks, wet clothes.
• Invisible & breathable: no “plastic feel”, the original look and grip stay put; the fibre can keep “breathing”.
• Built for daily life: makes dust and dirt easier to lift, cuts tide marks and steadies your cleaning intervals.

Fabric sealant – how it works & bonds to the fibre

A fabric sealant like THE FINISHER TexLock fabric sealant works through a fine-film, chemical bond to the fibre structure. The hydrophobic groups point outward, so water and water-based stains form beads instead of soaking in. Because the film is ultra-thin, the fibre stays flexible and breathable – the feel doesn't change, the look stays factory-fresh. That helps against everyday triggers like coffee, rainwater, salt marks from winter damp or wet sports kit on the seat.

Applying it on seats, carpet & boot

You get the best application when the base is clean and dry. After prepping with InsideUp or spot-cleaning with LeatherTexClean, let the textiles dry fully, then mist THE FINISHER TexLock fabric sealant on evenly in a cross pattern, lift the fibres with a soft brush and mist a thin coat again. Don't soak it – feather the edges out cleanly. Let it dry 12–24 hours and only put it back to use after that. Keep it off seat belts, headliner and airbag zones; on Alcantara go easy on the dose and always run a test patch first.

Durability, upkeep & compatibility

Durability comes down to use and cleaning. Floor mats and seat bolsters take more of a beating than boot felt – there you might build up two thin coats. For upkeep, clean the textiles gently, let them dry fully and lay down a thin refresh when the beading starts to fade. THE FINISHER TexLock fabric sealant is invisible, plays nicely with common interior cleaners and won't upset sensors or seat heating. Don't seal leather, vinyl or plastics, though – LeatherLock or InsideCare/VinylGuard are there for those.

Common questions about THE FINISHER × Koch-Chemie “TexLock” — fabric sealant

Which surfaces do I use TexLock on?

On automotive textiles like seat covers, floor mats, carpets and boot felt. Not for leather, vinyl, plastics, headliner or seat belts.

Does TexLock change the feel?

No. The sealant stays ultra-thin and breathable – grip and look stay factory-fresh, with no rustly or “plasticky” feel.

How long does TexLock need to dry?

Depending on temperature, 12–24 hours. Don't use or soak it in that time. You only get full beading once it's fully dry.

Does TexLock help against salt and winter marks?

It slows the soak-in and makes low-stain cleaning easier. Marks can still form, but they come off more easily and come back less often.

How often should I refresh it?

Every 3–6 months depending on wear. High-use zones (floor mats, driver's seat) sooner, boot felt later.

Last updated: 31.10.2025 — Author: Daniel (Detailing1)