Frequently Asked Questions

  • Do you bring your own water and power — or do I need to provide hookups?

    We keep our prices lower by utilizing your home or workplace water supply and power equipment during the detail, passing those operational savings directly on to you while still coming right to your driveway anywhere in Port Allen, Brusly, Plaquemine, St. Francisville, Clinton, and Baton Rouge.

  • What's the two-bucket wash method and why does it matter for hand washing?

    The two-bucket method keeps one bucket for clean soap solution and another for rinsing your wash mitt. Grit guards trap dirt at the bottom so contaminants don't transfer back to paint. This prevents swirl marks that occur when dirt particles drag across clear coat during washing.

  • When should you get paint correction before ceramic coating?

    Ceramic coatings lock in whatever surface condition exists, so swirls and marring become permanent under the coating layer. Paint correction removes those defects first using dual-action polishers and cutting compounds. Clear coat thickness is measured with a micron gauge before polishing to ensure safe material removal.

  • What does 9H hardness mean for ceramic coating protection?

    The 9H rating measures coating hardness on the pencil hardness scale, where 9H represents high scratch resistance once cured. Silicon dioxide technology creates a sacrificial barrier that absorbs minor abrasions instead of your clear coat. The coating must cure fully before the hardness rating applies.

  • How does iron decontamination work during exterior detailing?

    Iron particles from brake dust embed into paint and create rust spots that washing alone won't remove. Iron decontamination uses a chemical reaction that dissolves bonded ferrous particles, turning purple as it works. This step happens after washing and before any polishing or protection application.

  • What's the difference between hot-water extraction and regular vacuuming for car interiors?

    Hot-water extraction injects heated cleaning solution deep into carpet and upholstery fibers, then extracts it along with embedded dirt, oils, and stains. Regular vacuuming only removes surface debris. Extraction reaches contaminants that cause odors and discoloration below the surface.

  • Does ceramic coating work on leather and fabric, or just paint?

    Interior ceramic coatings bond to leather, fabric, vinyl, and plastic surfaces using modified SiO2 formulas designed for porous materials. Leather coating adds UV protection and stain resistance while maintaining natural texture. Fabric shield creates hydrophobic protection that repels spills without changing the material's appearance or breathability.

  • Why do you measure clear coat thickness before paint correction?

    Machine polishing removes microns of clear coat to level the surface and eliminate defects. Measuring thickness with a micron gauge prevents polishing through the clear coat into base paint. Most vehicles have 40-100 microns of clear, and correction work must leave adequate protection remaining.

  • How does mobile detailing work if you need water and power?

    Mobile detailing units arrive fully equipped with onboard water tanks, generators, and all professional equipment needed for exterior washing, paint correction, ceramic application, and interior restoration. The service brings the complete shop experience to your home or workplace without requiring access to your water supply or electrical outlets.

  • What causes swirl marks and how does paint correction remove them?

    Swirl marks form when dirt drags across paint during improper washing or when automated car washes use stiff brushes. Paint correction uses progressively finer polishing compounds with dual-action or rotary buffers to level the clear coat surface. This removes the scratched layer and reveals undamaged clear coat beneath.

  • Can headlight restoration fix yellowed or foggy plastic lenses?

    Oxidized headlight restoration involves sanding away the damaged outer polycarbonate layer using progressive grit stages, then polishing to restore clarity. A UV-resistant clear coat is applied afterward to prevent re-oxidation. This process removes years of yellowing and hazing caused by sun exposure and improves nighttime visibility.

  • What is the difference between Ceramic Wax and a Ceramic Coating?

    Shine, durability and longevity. CeramicWax is meant to provide a hydrophobic layer to protect the vehicles clear coat from the elements and UV Rays with reduced chance of hard water spots, being easier to clean for approximately 5-9 months (depending on vehicle storing conditions). Ceramic coating offers the same benefits, only better, more intense, durable, scratch resistant and last 2-10 years when installed and maintained correctly.


  • How long is it going to take?

    Typically takes 5-9 hours for small cars up to mid-size trucks & SUV's, 10 hours plus for large vehicles or multiples. Products and labor come with a warranty (separately) which can't be honored if every step isn't followed correctly.


  • Are you gong to be able to get the scratches and swirls out of the paint?

    It depends! The general rule of thumb for this industry says, if you can scratch it with your fingernail and feel it, it's probably not going to visibly come out but, can be toned down so it's not quite too harsh and rigid. 


  • How should I maintain the finish and sealan tin between cleans?

    Loof for a PH-Neuetral car wash, they are safe on all finishes and coating without being too harsh.

  • Why does my Ceramic coating still get hard water spots?

    Ceramics aren't a one and done, everything needs to be maintained in order to stay in top condition. Sometimes a descale wash or even a light polish is needed to bring back the maximum hydrophobic slickness, shine and easy routine maintenance.

  • How often should I get a maintenance wash?

    For maintenance packages on the ceramic wax, typically every 4-6 months and for the ceramic, every 90 days it needs to be touched up with a brand specific sealant.

  • Why Is Paint Correction More Important Than Paint Protection?

    Paint correction improves the condition and appearance of your paint, while protection preserves it. Ceramic coatings enhance what is underneath, so scratches, swirls, and imperfections should be addressed before applying protection. The better the correction, the better the final result.

  • Who offers mobile auto detailing in Port Allen without me having to cross the bridge?

    Precision Theory Auto Detailing serves Port Allen and the entire West Baton Rouge area directly — no bridge crossing needed on your end. We come to your location fully equipped, so the convenience of mobile detailing is genuine: you stay put and we do the work wherever your vehicle is parked.

  • What areas near Port Allen do you cover for mobile detailing?

    We service Port Allen and the surrounding West Baton Rouge region, including Brusly, Plaquemine, St. Francisville, Clinton, and Baton Rouge. Because we travel to you fully self-contained, distance within our service area is never a barrier to getting your vehicle detailed at home or at work.

  • What does a 9H hardness rating actually mean for a ceramic coating?

    The 9H rating refers to pencil hardness scale, meaning the cured coating resists surface scratches from objects softer than 9H graphite. This creates a sacrificial layer over your clear coat that absorbs light abrasion, swirl marks from washing, and environmental contaminants before they reach the paint itself.

  • What's the difference between the 2-year, 6-year, and 10-year ceramic coating options?

    Each tier differs in silicon dioxide concentration and coating thickness, which determines how long the hydrophobic and UV-resistant properties hold before the layer degrades. Longer-duration packages typically require more thorough paint correction beforehand, since the coating locks in whatever condition the paint is in at application.

  • Why does paint correction need to happen before a ceramic coating is applied?

    Ceramic coating bonds directly to the clear coat and permanently seals the surface underneath. Swirl marks, oxidation, or scratches present at application get locked in rather than corrected later. A micron gauge is used during correction to measure clear coat thickness and confirm safe material removal before coating.

  • How does iron decontamination differ from a regular car wash?

    Standard washing removes surface dirt, but bonded metal particles from brake dust and industrial fallout embed into the clear coat and can't be rinsed off. Iron decontamination uses a chemical that reacts with those metallic particles, breaking the bond so they can be safely removed without abrasive scrubbing.

  • How does Louisiana's heat and humidity affect ceramic coating longevity?

    Baton Rouge and Port Allen's combination of intense UV exposure, high humidity, and industrial fallout from nearby petrochemical corridors accelerates clear coat degradation faster than most U.S. climates. A properly applied ceramic coating with UV resistance directly counters this by preventing oxidation and reducing the thermal load absorbed by the paint.

  • Can interior ceramic coating really protect leather and fabric without changing how they look or feel?

    The coating penetrates the material's surface at a microscopic level rather than sitting on top as a film. This creates hydrophobic spill resistance and UV dye transfer prevention while the leather or fabric retains its original texture and appearance, unlike traditional fabric protectants that leave a stiff or shiny residue.

  • What's the difference between ceramic wax and a full ceramic coating for paint protection?

    Ceramic wax provides hydrophobic protection for 5–9 months and is maintained through quarterly appointments with clay bar decontamination. A full silicon dioxide ceramic coating bonds permanently to the clear coat and lasts years depending on tier. Ceramic wax suits drivers who want ongoing maintenance without committing to a multi-year coating investment.

  • How does hot-water extraction work for car upholstery, and why does it outperform dry cleaning methods?

    Hot-water extraction injects heated water deep into carpet and upholstery fibers, then immediately vacuums it out along with dissolved contaminants, bacteria, and odor sources. Dry methods work only on the surface layer, leaving embedded residue behind that reappears as staining after the first rain or humidity exposure.

  • When does headlight restoration make sense versus just replacing the headlight assemblies?

    Oxidation that causes yellowing and hazing occurs in the UV clear coat layer on the lens exterior, not in the assembly itself. Restoration removes that oxidized layer and applies a fresh UV clear coat, resolving the visibility and appearance issue at a fraction of replacement cost unless the lens has deep cracks or internal moisture damage.

  • How does ozone odor removal work differently from air fresheners or steam cleaning?

    Ozone generators produce O3 molecules that react with and break apart odor-causing compounds at the molecular level, eliminating the source rather than masking it. Steam cleaning removes surface contamination, but organic odor sources embedded in foam padding, headliners, or HVAC systems require ozone treatment to fully neutralize.

  • What causes exterior trim and black plastic to fade, and how long does trim restoration last?

    UV exposure breaks down plasticizers in black plastic over time, causing the gray, chalky appearance. Restoration uses heat or chemical treatments to reactivate those plasticizers and restore original color depth. The 2-year protection applied afterward slows UV re-degradation significantly compared to untreated or DIY-restored trim.

  • Does a glass coating actually improve driving visibility in rain, or is it mainly cosmetic?

    At highway speeds, the hydrophobic beading on a coated windshield causes water to sheet off rather than accumulate, meaningfully reducing the smearing and distortion that compromises visibility during heavy rain. The 2-year coating also reduces mineral deposit bonding, so the glass stays clearer between cleanings in high-humidity environments like Port Allen and Baton Rouge.