---
product_id: 522367807
title: "CrawlSpace-DIY - Butyl Tape - 1.5\" x 100' - Pack Butyl Sealant Home Repair Tape, Butyl Rubber for Boat Sealing RV Sealant Tape Vapor Barrier Window, Glass Roof Patching - Waterproof"
brand: "crawl space diy"
price: "186570 Ft"
currency: HUF
in_stock: true
reviews_count: 8
category: "Crawl Space Diy"
url: https://www.desertcart.hu/products/522367807-crawlspace-diy-butyl-tape-1-5-x-100-pack-butyl
store_origin: HU
region: Hungary
---

# 100% waterproof double-sided seal 1.5" x 100' length for extensive coverage Withstands -18°C to 150°C (0°F to 300°F) CrawlSpace-DIY - Butyl Tape - 1.5" x 100' - Pack Butyl Sealant Home Repair Tape, Butyl Rubber for Boat Sealing RV Sealant Tape Vapor Barrier Window, Glass Roof Patching - Waterproof

**Brand:** crawl space diy
**Price:** 186570 Ft
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal it once, seal it right — your crawl space’s new best friend!

## Quick Answers

- **What is this?** CrawlSpace-DIY - Butyl Tape - 1.5" x 100' - Pack Butyl Sealant Home Repair Tape, Butyl Rubber for Boat Sealing RV Sealant Tape Vapor Barrier Window, Glass Roof Patching - Waterproof by crawl space diy
- **How much does it cost?** 186570 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/522367807-crawlspace-diy-butyl-tape-1-5-x-100-pack-butyl)

## Best For

- crawl space diy enthusiasts

## Why This Product

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

## Key Features

- • **Seal Like a Pro:** Double-sided butyl adhesive creates an airtight, moisture-proof barrier that outperforms messy caulks.
- • **Built for Extremes:** Weather-resistant tape holds strong from freezing cold to scorching heat, perfect for fluctuating crawl space conditions.
- • **Versatile & Durable:** Ideal for vapor barriers, boat sealing, RV repairs, and window patching—lasting up to 6 months under UV exposure.
- • **DIY Confidence Booster:** Trusted by pros and DIYers alike to keep crawl spaces dry and protected, ensuring peace of mind on every project.
- • **Effortless Application:** Flexible and thick tape conforms to rough surfaces like concrete and brick with ease—no bubbling or peeling.

## Overview

CrawlSpace-DIY Butyl Tape is a premium double-sided sealant tape measuring 1.5 inches by 100 feet, designed for heavy-duty waterproof sealing in crawl spaces and other demanding environments. It withstands extreme temperatures from 0°F to 300°F, adheres strongly to unprimed surfaces like concrete and brick, and provides a durable vapor barrier that resists moisture, UV exposure, and air leaks. Perfect for professional-grade DIY encapsulation, boat sealing, and window patching.

## Description

desertcart.com: CrawlSpace-DIY - Butyl Tape - 1.5" x 100' - Pack Butyl Sealant Home Repair Tape, Butyl Rubber for Boat Sealing RV Sealant Tape Vapor Barrier Window, Glass Roof Patching - Waterproof : Industrial & Scientific

Review: Outstanding Butyl Tape for Crawl Space Projects – Seals Like a Dream! - I recently tackled a DIY crawl space encapsulation project, and this butyl tape from CrawlSpace DIY was an absolute game-changer. Right out of the box, it's clear you're getting a high-quality product – thick, flexible, and packed with that reliable butyl adhesive that pros swear by. This product it's exactly what I needed to seal vapor barriers to concrete and cinder block walls without any hassle. The tape is super easy to install: just cut to size and stick. It adheres beautifully to dry, dust-free surfaces, creating an airtight bond that gives me total peace of mind against moisture and air leaks. Pro tip from my experience: If you're working with rougher surfaces like cinder blocks, grab a heat gun and warm the tape slightly before applying. It conforms like magic, filling every little crevice for an even stronger hold. No bubbling, no peeling – just a rock-solid seal that held up perfectly through my entire project.
Review: Great for Crawl space barrier application, - Used this to hang 6ml plastic vapor barrier in crawl space. Sticky on both sides. Unroll and stick it to the concrete block (broom off the block first to remove loose stuff). Then peel off the paper on the exposed tape and apply the plastic barrier. Use a roller/block to seal the plastic to the tape. and tape to the wall. I then went back and drilled 1/4 inch holes every 18 inches and added the christmas tree spikes to secure it. Looks good and is holding up well.

## Features

- Start Your DIY Project Correctly: To undertake crawl space encapsulation, even under the best conditions, is daunting. You need the right tools and suitable materials, so to save time and trouble you need a strong double-sided tape that can stand up to the elements’ abuses and keep your crawl space dry.
- Usage: Ideal for environments with fluctuating temperatures and high moisture, specifically crawl spaces. An ideal replacement for messy caulks, this Butyl Tape is the perfect tape of choice for you when it comes to attaching vapor and moisture barriers during your crawl space encapsulation.
- Strong Sealant: Double-sided tape with great adhesive mass means the product will seal troublesome leakage and keep barriers in place to crawl space surfaces. This tape works with most adhesives and sealants and will not bleed or stain materials.
- Weather Resistant: The Butyl Tape has a temperature installation tolerance in both extreme cold (0°F) and high temperatures (300°F). Can be exposed to UV light for six months without issue.
- Additional Features: Double-sided butyl tape provides a watertight seal to unprimed surfaces such as limestone, brick, concrete, and other basement foundations. Self-seals around other fasteners or nails.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BHS7QL5G |
| Best Sellers Rank | #73,997 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #86 in Butyl Tape |
| Brand | Crawl Space DIY |
| Compatible Material | Cement |
| Date First Available | January 16, 2025 |
| Item Weight | 40 pounds |
| Manufacturer | Crawl Space DIY |
| Material | butyl |
| Number of Items | 8 |
| Recommended Uses For Product | Indoor |
| Size | 1.5" x 100' |
| Special Feature | Double Sided |
| Surface Recommendation | Brick, Concrete |
| Unit Count | 800.0 Feet |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** Crawl Space DIY
- **Material:** butyl
- **Number of Items:** 8
- **Recommended Uses For Product:** Indoor
- **Special Feature:** Double Sided

## Images

![CrawlSpace-DIY - Butyl Tape - 1.5" x 100' - Pack Butyl Sealant Home Repair Tape, Butyl Rubber for Boat Sealing RV Sealant Tape Vapor Barrier Window, Glass Roof Patching - Waterproof - Image 1](https://m.media-amazon.com/images/I/41PS+0COXrL.jpg)
![CrawlSpace-DIY - Butyl Tape - 1.5" x 100' - Pack Butyl Sealant Home Repair Tape, Butyl Rubber for Boat Sealing RV Sealant Tape Vapor Barrier Window, Glass Roof Patching - Waterproof - Image 2](https://m.media-amazon.com/images/I/41hULc+PglL.jpg)
![CrawlSpace-DIY - Butyl Tape - 1.5" x 100' - Pack Butyl Sealant Home Repair Tape, Butyl Rubber for Boat Sealing RV Sealant Tape Vapor Barrier Window, Glass Roof Patching - Waterproof - Image 3](https://m.media-amazon.com/images/I/41juq-o7XoL.jpg)
![CrawlSpace-DIY - Butyl Tape - 1.5" x 100' - Pack Butyl Sealant Home Repair Tape, Butyl Rubber for Boat Sealing RV Sealant Tape Vapor Barrier Window, Glass Roof Patching - Waterproof - Image 4](https://m.media-amazon.com/images/I/51IVQjSm8mL.jpg)
![CrawlSpace-DIY - Butyl Tape - 1.5" x 100' - Pack Butyl Sealant Home Repair Tape, Butyl Rubber for Boat Sealing RV Sealant Tape Vapor Barrier Window, Glass Roof Patching - Waterproof - Image 5](https://m.media-amazon.com/images/I/51KpIIiWpXL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Outstanding Butyl Tape for Crawl Space Projects – Seals Like a Dream!
*by A***R on October 6, 2025*

I recently tackled a DIY crawl space encapsulation project, and this butyl tape from CrawlSpace DIY was an absolute game-changer. Right out of the box, it's clear you're getting a high-quality product – thick, flexible, and packed with that reliable butyl adhesive that pros swear by. This product it's exactly what I needed to seal vapor barriers to concrete and cinder block walls without any hassle. The tape is super easy to install: just cut to size and stick. It adheres beautifully to dry, dust-free surfaces, creating an airtight bond that gives me total peace of mind against moisture and air leaks. Pro tip from my experience: If you're working with rougher surfaces like cinder blocks, grab a heat gun and warm the tape slightly before applying. It conforms like magic, filling every little crevice for an even stronger hold. No bubbling, no peeling – just a rock-solid seal that held up perfectly through my entire project.

### ⭐⭐⭐⭐⭐ Great for Crawl space barrier application,
*by B***B on October 28, 2025*

Used this to hang 6ml plastic vapor barrier in crawl space. Sticky on both sides. Unroll and stick it to the concrete block (broom off the block first to remove loose stuff). Then peel off the paper on the exposed tape and apply the plastic barrier. Use a roller/block to seal the plastic to the tape. and tape to the wall. I then went back and drilled 1/4 inch holes every 18 inches and added the christmas tree spikes to secure it. Looks good and is holding up well.

### ⭐⭐⭐⭐⭐ Great Product
*by M***S on March 7, 2025*

Worked great for our crawl space encapsulation!

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**Shop now:** [https://www.desertcart.hu/products/522367807-crawlspace-diy-butyl-tape-1-5-x-100-pack-butyl](https://www.desertcart.hu/products/522367807-crawlspace-diy-butyl-tape-1-5-x-100-pack-butyl)

---

*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-02-11*