---
product_id: 253676193
title: "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"
brand: "lumintrail"
price: "$4152"
currency: MXN
in_stock: true
url: https://www.desertcart.mx/products/253676193-mobile-flex-bottom-board-mobile-home-underbelly-wrap-repair-30
store_origin: MX
region: Mexico
---

# 100% waterproof vapor barrier woven high-density polyethylene UL tested zero flame spread 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

**Brand:** lumintrail
**Price:** $4152
**Availability:** ✅ In Stock

## Summary

> 🛠️ Shield your mobile home with the toughest, smartest underbelly wrap around!

## Quick Answers

- **What is this?** 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 by lumintrail
- **How much does it cost?** $4152 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/253676193-mobile-flex-bottom-board-mobile-home-underbelly-wrap-repair-30)

## 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

- • **Easy Repairs:** Cuts won’t spread and patch effortlessly with Flex Mend tape
- • **Safety First:** Zero flame spread and smoke, UL 723 certified for peace of mind
- • **Built to Last:** Retains 70% strength after 7 years of harsh weather exposure
- • **Bonus Brightness:** Includes a handy keychain light for on-the-go convenience
- • **Ultimate Water Defense:** Impervious black polyethylene coating blocks moisture completely

## Overview

Lumintrail Mobile Flex Bottom Board is a 30" x 100ft durable vapor barrier made from woven high-density polyethylene with a waterproof black coating. Engineered for mobile homes, RVs, trailers, and campers, it offers long-lasting weather resistance, UL-certified fire safety, and easy repairability. Bonus keychain light included for added utility.

## Description

Full description not available

## 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 |
| Item Weight | 4.69 pounds |
| Package Dimensions | 30.5 x 4 x 3 inches |
| Batteries | 1 Lithium Metal batteries required. (included) |
| Manufacturer Part Number | BB-100 |

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/81sIuaycmaL.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
- Frienda RV Underbelly Tape RV Underbelly Material Corrugated Waterproof Flex Mend Belly Tape Thick Adhesive Patch Sealing Mobile Home Camper Travel Trailer Tear Repair(1 Pack,4 Inch x 66 Feet)
- 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.mx/products/253676193-mobile-flex-bottom-board-mobile-home-underbelly-wrap-repair-30](https://www.desertcart.mx/products/253676193-mobile-flex-bottom-board-mobile-home-underbelly-wrap-repair-30)

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*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-02-18*