---
product_id: 149776505
title: "Double Sided Butyl Tape Used for Membrane Jointing, Waterproofing, Pond Liner Repair (50MM X 1.5MM X 10M)"
brand: "polyloc"
price: "$83.33"
currency: USD
in_stock: true
reviews_count: 8
category: "Polyloc"
url: https://www.desertcart.us/products/149776505-double-sided-butyl-tape-used-for-membrane-jointing-waterproofing-pond
store_origin: US
region: United States of America
---

# Waterproof seal Instant adhesion Universal compatibility Double Sided Butyl Tape Used for Membrane Jointing, Waterproofing, Pond Liner Repair (50MM X 1.5MM X 10M)

**Brand:** polyloc
**Price:** $83.33
**Availability:** ✅ In Stock

## Summary

> Seal the Deal! 🔒

## Quick Answers

- **What is this?** Double Sided Butyl Tape Used for Membrane Jointing, Waterproofing, Pond Liner Repair (50MM X 1.5MM X 10M) by polyloc
- **How much does it cost?** $83.33 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/149776505-double-sided-butyl-tape-used-for-membrane-jointing-waterproofing-pond)

## Best For

- polyloc enthusiasts

## Why This Product

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

## Key Features

- • **Durable & Reliable:** Crafted to withstand the test of time, ensuring long-lasting results.
- • **Compact & Convenient:** Lightweight design (1.42 kg) for easy handling and storage.
- • **Unmatched Performance:** Engineered for high-stakes waterproofing and membrane jointing.
- • **Versatile Application:** Perfectly adheres to all common building materials for seamless repairs.
- • **Instant Seal Technology:** Achieve a reliable seal against moisture and gas in seconds.

## Overview

The Double Sided Butyl Tape by Soundloc is a high-performance solution designed for membrane jointing and waterproofing. Measuring 50mm x 1.5mm x 10m, this tape offers excellent adhesion and an instant seal against moisture and gas, making it ideal for various building materials. With a compact weight of 1.42 kg, it's both durable and easy to use, ensuring your projects stay dry and secure.

## Description

Double Sided Butyl Tape is for joining membranes used in building and construction to prevent the passage of water and/or air, for example damp proof membranes and vapour control layers. This tape is black in colour and has excellent adhesion properties. This product has many uses such as: · Jointing of damp proof membranes & cavity trays · Automotive seals · Pond liner repair & joining ( cold glue ) · Waterproofing & Tanking · Lapping & Jointing construction seals · Air seal For best results - Clean all surfaces and make sure they are clean, dry, free of grease, dust, mortar and any other debris. Warming of product may be required if jointing under 10°C.

Review: This stuff sticks - Brilliant product. I needed to repair a large tear so I planned to patch with spare liner. I searched online and everyone seemed to say you need a heat gun welder. I spent over a hundred pounds on one only to find it did nothing at all to EPDM. No melting, no bonding, just scorched. So I sent it back, thanks to the returns policy. Then I asked the professionals. They said get cold glue tape. This is amazing stuff. It's easy and it sticks like a sticky stick. Only downside is if you let it touch another part of the glue tape cause it sticks to that and there's no undoing it, but at least on a 10m roll you've got spare.
Review: Genuine Polyloc tape, took some practise but works very well - I have been making a 5m x 4m wildlife pond and I thought I would be clever by buying patches of rubber liner on eBay and joining them together. A one-piece liner would have cost around £400 new, with the odd shape and depth of my design. After a lot of research I found this kind of butyl double-sided tape, and a few YouTube videos on how to join it. I first used Ubbink pond liner tape, which was good stuff, but I made the mistake of stretching the liner in places when rolling the tape down when it was going off to the side. I got it all down straight and put the next layer on. Then after 3 hours the stretched rubber relaxed and I end up with folds across the joint that formed a tube that water could go straight through! Ran out of that expensive tape, cut that failed joining out and tried again with this much cheaper tape. It behaves exactly the same way as the Ubbink and is just as sticky. Points to note: * Clean the rubber liner just before laying the tape. * Makes sure the rubber liner is dry all around the tape (sunny day helps!). * This stuff seems to never fully set, it moves slightly, gradually with the rubber; bit like a sticky chewing-gum. * Do NOT stretch the rubber seams as you lay this out. Roll it out in 30 - 40 cm lengths, then relaxed the tension before laying it down on the lower rubber surface. Give yourself some overlap to allow for inaccurate laying down (lay down very carefully to start with, i.e. practise on a scrap bit first!). * I decided to make sure it was firmly stuck to the rubber by using a heat gun to warm it and a solid roller to press it down. (experiment first and stop heating just before the rubber shows a colour/texture change). * Leave for 12+plus hours to fully set, more if it is cold. * Test the set by trying to pull the rubber liner layers apart. This stuff seems to never fully set, it moves slightly, gradually with the rubber; bit like a sticky chewing-gum. But a lot of force should be required when it is ready. * When done it can be folded over and crushed like the rest of the rubber it seems. I did a few tests with heavy rocks crushing a folding in the seam overnight and it was still fully sealed the next day. I did however try to avoid folds in the seams when laying out in the pond. Filled pond, no leaks. (Last photo is of the pond at a later stage with a laser level to get the rocks at the right height!) However, it was so time consuming to do the two 5 and 3metre long joins that I wish I had just spent the money on a huge liner!! If time is money for you, then I wouldn't bother joining liners to save cash. Yes, I've learnt how to do it now, but when am I ever going to do it again?!? Great tape, genuine Polyloc tape, not a cheap spin off. Works for joining EPDM rubber pond liner.

## Features

- High performance double sided butyl tape
- For use with damp proof membranes & vapour barriers
- Excellent adhesion
- Provides an instant seal against moisture & gas
- Adheres well to all common building materials

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Soundloc |
| Package Dimensions | 16.9 x 15.8 x 6.7 cm; 1.42 kg |
| Size | 50mm x 1.5mm x 10m |
| Colour | Black |
| Measurement System | Metric |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 1.42 kg |

## Images

![Double Sided Butyl Tape Used for Membrane Jointing, Waterproofing, Pond Liner Repair (50MM X 1.5MM X 10M) - Image 1](https://m.media-amazon.com/images/I/81PR8gdsRfL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ This stuff sticks
*by N***K on 25 October 2021*

Brilliant product. I needed to repair a large tear so I planned to patch with spare liner. I searched online and everyone seemed to say you need a heat gun welder. I spent over a hundred pounds on one only to find it did nothing at all to EPDM. No melting, no bonding, just scorched. So I sent it back, thanks to the returns policy. Then I asked the professionals. They said get cold glue tape. This is amazing stuff. It's easy and it sticks like a sticky stick. Only downside is if you let it touch another part of the glue tape cause it sticks to that and there's no undoing it, but at least on a 10m roll you've got spare.

### ⭐⭐⭐⭐⭐ Genuine Polyloc tape, took some practise but works very well
*by E***H on 24 October 2022*

I have been making a 5m x 4m wildlife pond and I thought I would be clever by buying patches of rubber liner on eBay and joining them together. A one-piece liner would have cost around £400 new, with the odd shape and depth of my design. After a lot of research I found this kind of butyl double-sided tape, and a few YouTube videos on how to join it. I first used Ubbink pond liner tape, which was good stuff, but I made the mistake of stretching the liner in places when rolling the tape down when it was going off to the side. I got it all down straight and put the next layer on. Then after 3 hours the stretched rubber relaxed and I end up with folds across the joint that formed a tube that water could go straight through! Ran out of that expensive tape, cut that failed joining out and tried again with this much cheaper tape. It behaves exactly the same way as the Ubbink and is just as sticky. Points to note: * Clean the rubber liner just before laying the tape. * Makes sure the rubber liner is dry all around the tape (sunny day helps!). * This stuff seems to never fully set, it moves slightly, gradually with the rubber; bit like a sticky chewing-gum. * Do NOT stretch the rubber seams as you lay this out. Roll it out in 30 - 40 cm lengths, then relaxed the tension before laying it down on the lower rubber surface. Give yourself some overlap to allow for inaccurate laying down (lay down very carefully to start with, i.e. practise on a scrap bit first!). * I decided to make sure it was firmly stuck to the rubber by using a heat gun to warm it and a solid roller to press it down. (experiment first and stop heating just before the rubber shows a colour/texture change). * Leave for 12+plus hours to fully set, more if it is cold. * Test the set by trying to pull the rubber liner layers apart. This stuff seems to never fully set, it moves slightly, gradually with the rubber; bit like a sticky chewing-gum. But a lot of force should be required when it is ready. * When done it can be folded over and crushed like the rest of the rubber it seems. I did a few tests with heavy rocks crushing a folding in the seam overnight and it was still fully sealed the next day. I did however try to avoid folds in the seams when laying out in the pond. Filled pond, no leaks. (Last photo is of the pond at a later stage with a laser level to get the rocks at the right height!) However, it was so time consuming to do the two 5 and 3metre long joins that I wish I had just spent the money on a huge liner!! If time is money for you, then I wouldn't bother joining liners to save cash. Yes, I've learnt how to do it now, but when am I ever going to do it again?!? Great tape, genuine Polyloc tape, not a cheap spin off. Works for joining EPDM rubber pond liner.

### ⭐⭐⭐⭐ Ok but not 10m
*by O***E on 27 February 2024*

Sticks ok but comes in two 5m rolls!

## Frequently Bought Together

- Double Sided Butyl Tape Used for Membrane Jointing, Waterproofing, Pond Liner Repair (50MM X 1.5MM X 10M)
- MyPond MS300 300ml Pond repair and Pond Window Sealant
- Gorilla Waterproof Patch & Seal Tape Black 3m

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-06*