Underline Undercoating LLC

07/16/2026

🚨 PROTECT YOUR VEHICLE BEFORE RUST TAKES OVER! 🚨

At Underline Undercoating, we use Fluid Film the industry's leading rust prevention product to protect your vehicle from Michigan's harsh roads year-round.

One of the biggest myths is that an older vehicle is "too far gone." That's simply not true. Fluid Film penetrates existing surface rust, displaces moisture, and helps slow or stop further corrosion. Whether your vehicle is brand new or has 250,000 miles on it, it's never too late to start protecting it.

🛡️FLUID FILM UNDERCOATING
• Large / Full-Size Vehicles - $350
• Mid-Size Vehicles - $325
• Small / Compact Vehicles - $300
• Industrial Equipment & Fleet Vehicles - Contact for Pricing

🎖️Discounts Available
• Military
• First Responders
• Fleet Vehicles

✔ Premium Fluid Film Protection
✔ No Drilling
✔ No Messy Dripping
✔ Locally Owned - Licensed & Insured
✔ By Appointment Only

2498 Lapeer Rd, Port Huron, MI 48060
810-357-3023

Call, text, or message us on Facebook to schedule your appointment.

05/25/2026

02/08/2026

🧇 Undercoating Waffle Giveaway 🧇

We’ve had several customers ask if we’d ever run a waffle for one of our undercoating services — so we’re giving it a shot!

Here’s how it works:
• 18 total spots available
• $20 per spot
• Once all spots are filled, we’ll host a live random drawing on Random . org
• No payment required until all spots are filled

Payment methods accepted:
PayPal • Zelle • Venmo

🎁 The winner may use the service themselves or gift it — we can also provide a Gift Certificate upon request.

Available spots:
1. Damian Stein💰
2. Mark Stevens💰
3. Platinum Transportation LLC 💰
4. Damian Stein💰
5. Andy Lankford 💰
6. Johnathon Pollard 💰
7. Rachelle Malloy💰
8. Cody Lambert 💰
9. Chad Sauve💰
10. Platinum Transportation LLC 💰
11. Jessie D. Webb Braddock 💰
12. Chad Sauve💰
13. Joe Kachman 💰
14. Rich Pohlman
15. Damian Stein💰
16. Johnathan Pollard💰
17. Joe Kachman💰
18. Mark Stevens💰

01/23/2026

🚨 NEW SERVICE ANNOUNCEMENT 🚨

Underline Undercoating is now offering a Military-Grade Oil-Based Undercoating!

This new option delivers excellent corrosion protection at a more accessible price, while we continue to offer our premium Fluid Film undercoating for maximum protection.

🛡️ UNDERCOATING OPTIONS & PRICING

✅ Fluid Film Undercoating (Premium Protection)
• Large / Full-Size: $350
• Mid-Size: $325
• Small / Compact: $300

✅ Military-Grade Oil-Based Undercoating
• $200 — Any Vehicle Size

🔧 ADD-ON SERVICES
• Wash & Frame Flush: $250
• Descaling: $150 per hour
• Re-Coats (Oil-Based or Fluid Film): $200
• Industrial applications — message for pricing

🎖️ DISCOUNTS AVAILABLE
• Military & First Responders
• Fleet Vehicles

✔ Excellent rust & corrosion protection
✔ No drilling
✔ No dripping with Fluid Film
✔ Fully licensed & insured

📅 By appointment only
📍 2498 Lapeer Rd, Port Huron, MI 48060
📞 810-357-3023
Call, Text, or Message Us Here To Book Your Spot.

Don’t wait for rust to show up.
Underline it now — keep your vehicle looking its best!

11/04/2025

1996 F150 got the works today - which included a wash, frame flush, and undercoating to protect from the upcoming winter!

10/06/2025

It was time to retire old faithful ...

Huge shout out to NHOU Protective Coatings for getting the new gun out to me ASAP!!

We are often asked to explain our pricing structure relative to the individual on marketplace who operates from a garage setup with jackstands or offers mobile vehicle spraying services. Thia is one example- Our investment in industrial equipment sets us apart from DIY equipmmet that you buy from auto parts stores..