---
product_id: 475026110
title: "Lumintrail Mobile Flex Bottom Board Mobile Home Underbelly Wrap Repair | 30\" x 100' | Durable Polyethylene Vapor Barrier for Mobile Home, RV, Trailers, Campers | with a Keychain Light"
brand: "lumintrail"
price: "€ 394.94"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/475026110-lumintrail-mobile-flex-bottom-board-mobile-home-underbelly-wrap-repair
store_origin: FI
region: Finland
---

# 100% waterproof vapor barrier Zero flame spread & smoke (UL 723 tested) 7-year durability with 70% strength retention Lumintrail Mobile Flex Bottom Board Mobile Home Underbelly Wrap Repair | 30" x 100' | Durable Polyethylene Vapor Barrier for Mobile Home, RV, Trailers, Campers | with a Keychain Light

**Brand:** lumintrail
**Price:** € 394.94
**Availability:** ✅ In Stock

## Summary

> 🛠️ Seal the deal with the toughest, smartest underbelly wrap on the market!

## Quick Answers

- **What is this?** Lumintrail Mobile Flex Bottom Board Mobile Home Underbelly Wrap Repair | 30" x 100' | Durable Polyethylene Vapor Barrier for Mobile Home, RV, Trailers, Campers | with a Keychain Light by lumintrail
- **How much does it cost?** € 394.94 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/475026110-lumintrail-mobile-flex-bottom-board-mobile-home-underbelly-wrap-repair)

## Best For

- lumintrail enthusiasts

## Why This Product

- Trusted lumintrail brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First, Always:** UL 723 certified zero flame spread and smoke development for peace of mind in every installation.
- • **Ultimate Moisture Defense:** Impervious to water with a certified vapor barrier rating to keep your mobile home dry and mold-free.
- • **Built to Brave the Elements:** Proven durability after 7 years of harsh weather exposure, retaining 70% of original strength—reliability you can trust.
- • **Bonus On-the-Go Illumination:** Includes a handy Lumintrail keychain light—because every professional needs reliable light at their fingertips.
- • **Precision Engineered Quality:** Woven high-density polyethylene with uniform coating ensures no weak spots and easy patching with Flex Mend tape.

## Overview

Lumintrail Mobile Flex Bottom Board Underbelly Wrap is a premium 30" x 100' black polyethylene vapor barrier designed for mobile homes, RVs, trailers, and campers. Engineered for superior waterproofing, long-lasting durability, and top-tier fire safety, it withstands extreme weather while maintaining structural integrity. Included is a practical Lumintrail keychain light, making this wrap an essential upgrade for professionals seeking reliable, high-performance protection.

## Description

Lumintrail Mobile Flex Bottom Board Mobile Home Underbelly Wrap Repair | 30" x 100' | Durable Polyethylene Vapor Barrier for Mobile Home, RV, Trailers, Campers | with a Keychain Light

## Features

- Mobile flex is totally impervious to water and qualifies as a vapor barrier thanks to its black polyethylene coating
- Mobile Flex is woven from black high density polyethylene and extrusion coated with a continuous layer of low density polyethylene making it uniform in quality with no weak spots
- Penetrations and cuts will not spread and can be easily patched using our Flex Mend tape
- Tested for durability and weatherability: After seven years of continuous, direct exposure to the elements in Arizona, the material retained 70% of its strength
- Mobile Flex tested out to zero flame spread and zero smoke developed in accordance with UL Standard Test Method for Surface Burning Characteristics of Building Materials, UL 723.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Lumintrail |
| Brand | Lumintrail |
| Package Dimensions | 77.47 x 10.16 x 7.62 cm; 2.13 kg |
| Batteries | 1 Lithium Metal batteries required. (included) |
| Item part number | BB-100 |
| Manufacturer Part Number | BB-100 |
| Colour | Black |
| Manufacturer | Lumintrail |
| Country of Origin | USA |
| Item Weight | 2 kg 130 g |

## Images

![Lumintrail Mobile Flex Bottom Board Mobile Home Underbelly Wrap Repair | 30" x 100' | Durable Polyethylene Vapor Barrier for Mobile Home, RV, Trailers, Campers | with a Keychain Light - Image 1](https://m.media-amazon.com/images/I/81sIuaycmaL.jpg)
![Lumintrail Mobile Flex Bottom Board Mobile Home Underbelly Wrap Repair | 30" x 100' | Durable Polyethylene Vapor Barrier for Mobile Home, RV, Trailers, Campers | with a Keychain Light - Image 2](https://m.media-amazon.com/images/I/71Q26jwLINL.jpg)
![Lumintrail Mobile Flex Bottom Board Mobile Home Underbelly Wrap Repair | 30" x 100' | Durable Polyethylene Vapor Barrier for Mobile Home, RV, Trailers, Campers | with a Keychain Light - Image 3](https://m.media-amazon.com/images/I/71NqmsPokhL.jpg)
![Lumintrail Mobile Flex Bottom Board Mobile Home Underbelly Wrap Repair | 30" x 100' | Durable Polyethylene Vapor Barrier for Mobile Home, RV, Trailers, Campers | with a Keychain Light - Image 4](https://m.media-amazon.com/images/I/81JD4SdZ++L.jpg)
![Lumintrail Mobile Flex Bottom Board Mobile Home Underbelly Wrap Repair | 30" x 100' | Durable Polyethylene Vapor Barrier for Mobile Home, RV, Trailers, Campers | with a Keychain Light - Image 5](https://m.media-amazon.com/images/I/819ocKxPknL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- Lumintrail Mobile Flex Bottom Board Mobile Home Underbelly Wrap Repair | 30" x 100ft | Durable Polyethylene Vapor Barrier for Mobile Home, RV, Trailers, Campers | with a Keychain Light
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- PlusRoc RV Underbelly Material RV Underbelly Tape Waterproof Flex Belly Tape with Permanent Sealing Adhesive for Mobile Home, Camper Travel Trailer, Tear Repair Patch(6'' x 20')

---

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**Shop now:** [https://www.desertcart.fi/products/475026110-lumintrail-mobile-flex-bottom-board-mobile-home-underbelly-wrap-repair](https://www.desertcart.fi/products/475026110-lumintrail-mobile-flex-bottom-board-mobile-home-underbelly-wrap-repair)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-16*