---
product_id: 632982377
title: "Acoustical Putty Pads - Moldable Soundproofing Pad - Fire Stop for Electrical Boxes Outlet Putty Pad, Highest UL and STC Rating - Size 7 x 7 - Pack of 3 Putty Pads - Made in USA"
brand: "trademark soundproofing"
price: "₩133639"
currency: KRW
in_stock: true
reviews_count: 2
category: "Trademark Soundproofing"
url: https://www.desertcart.kr/products/632982377-acoustical-putty-pads-moldable-soundproofing-pad-fire-stop-for-electrical
store_origin: KR
region: South Korea
---

# STC 49 soundproofing power UL & STC highest fire & sound rating Flexible moldable & easy install Acoustical Putty Pads - Moldable Soundproofing Pad - Fire Stop for Electrical Boxes Outlet Putty Pad, Highest UL and STC Rating - Size 7 x 7 - Pack of 3 Putty Pads - Made in USA

**Brand:** trademark soundproofing
**Price:** ₩133639
**Availability:** ✅ In Stock

## Summary

> 🔥 Seal the silence, stop the fire—smart soundproofing made simple! 🔇

## Quick Answers

- **What is this?** Acoustical Putty Pads - Moldable Soundproofing Pad - Fire Stop for Electrical Boxes Outlet Putty Pad, Highest UL and STC Rating - Size 7 x 7 - Pack of 3 Putty Pads - Made in USA by trademark soundproofing
- **How much does it cost?** ₩133639 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/632982377-acoustical-putty-pads-moldable-soundproofing-pad-fire-stop-for-electrical)

## Best For

- trademark soundproofing enthusiasts

## Why This Product

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

## Key Features

- • **Made in USA Quality:** Crafted with premium intumescent materials for durability and reliability—your go-to solution for sound and fire safety.
- • **Multi-Trade Approved:** Trusted by electricians, HVAC pros, and inspectors alike—meet code and exceed expectations on every project.
- • **Effortless Mold & Fit:** Flexible, cuttable putty pads conform seamlessly around outlets and cables—installation is a breeze, no mess, no fuss.
- • **Fire-Stop Certified Safety:** Top UL & ASTM E84 ratings block flames, smoke, and gas for up to 2 hours—protect your space with confidence.
- • **Elite Soundproofing Barrier:** STC 49 rating ensures near-silent rooms by sealing electrical boxes against noise leaks—perfect for focused work or peaceful living.

## Overview

Acoustical Putty Pads are premium moldable soundproofing and firestop seals designed for electrical outlet boxes. With top UL and ASTM E84 fire ratings and an STC 49 soundproofing score, these 7"x7" pads prevent noise, smoke, and flame penetration, ensuring safer, quieter spaces. Easy to install and trusted by professionals, they deliver reliable performance and peace of mind in any fire-rated wall assembly.

## Description

Top-rated sound proofing Acoustical Putty Pads: designed for those who seek perfection in their soundproofing project. Electrical outlet boxes are a commonly overlooked area, and if not properly secured, soundwaves can easily penetrate the boxes and drastically compromise the soundproof properties of the wall. These pads are molded around the boxes to ensure your wall retains its proper STC performance. Putty pads are UL fire rate and can be used in fire-rated walls. The intumescent fire stop properties which will prevent the spread of fire, for up to 2 hours. Additionally, you can stop air leakage that occurs through the electrical box. See the Technical Data Sheet for more details. Pads dimensions are 7" x 7" x 1/8" and are peel and stick. Simply peel the paper off the pads and attach it around the outlet, cutting where necessary to allow for wire penetrations. Material Properties; Color: Red. Physical State: Tacky Putty. Flame Spread: 5. Smoke Development: 15. Intumescent Activation: 220° F. STC Rating: 49 (Tested in a UL 411 wall assembly/section to ASTM E90. Cure Time: Non-Curing. Shelf Life: 24 months.

Review: Great quality product fire resistant
Review: Easy to use. HVAC, plumbers, and electrical trades all needed this product at one point or another. The inspector is happy with it too.

## Features

- FIRESTOP SEALANT - Electrical putty pads are designed to seal electric boxes and outlets from sounds and fire, maintaining the hourly rating of fire-rated walls containing electrical outlet boxes.
- FIRESTOP - Highest UL and STC ratings to prevent the spread of flames, smoke, and gas through penetration openings. Meets ASTME84 performance specifications with 5 flame spread and 5 smoke development.
- SOUNDPROFF- Eliminate noise transfer between rooms - perfect for studios, offices, or any space where sound control is crucial for a peaceful quiet environment.
- EASY TO INSTALL - The putty pads are flexible and easy to work and form them to fit around outlet boxes and cables. They can also be cut without tearing, ensuring a perfect fit for every application.
- Each box contains 3 putty pads of 7" x 7" - 1/8" thick pads Intumescent material Stops sound, smoke, and fire from leaking through outlets!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CQPMW2N9 |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 42,447 in Musical Instruments & DJ ( See Top 100 in Musical Instruments & DJ ) 620 in Acoustic Room Treatment |
| Colour | Red |
| Customer Reviews | 4.4 4.4 out of 5 stars (18) |
| Date First Available | 6 Jan. 2024 |
| Included Components | Putty pad |
| Item Package Quantity | 1 |
| Item Weight | 499 g |
| Item model number | FBA_APP |
| Manufacturer | Trademark Soundproofing |
| Part Number | FBA_APP |
| Product Dimensions | 17.78 x 17.75 x 2.54 cm; 499 g |

## Images

![Acoustical Putty Pads - Moldable Soundproofing Pad - Fire Stop for Electrical Boxes Outlet Putty Pad, Highest UL and STC Rating - Size 7 x 7 - Pack of 3 Putty Pads - Made in USA - Image 1](https://m.media-amazon.com/images/I/31-pp9maaaL.jpg)
![Acoustical Putty Pads - Moldable Soundproofing Pad - Fire Stop for Electrical Boxes Outlet Putty Pad, Highest UL and STC Rating - Size 7 x 7 - Pack of 3 Putty Pads - Made in USA - Image 2](https://m.media-amazon.com/images/I/41MbJ9+xbOL.jpg)
![Acoustical Putty Pads - Moldable Soundproofing Pad - Fire Stop for Electrical Boxes Outlet Putty Pad, Highest UL and STC Rating - Size 7 x 7 - Pack of 3 Putty Pads - Made in USA - Image 3](https://m.media-amazon.com/images/I/41sxmFzRnuL.jpg)
![Acoustical Putty Pads - Moldable Soundproofing Pad - Fire Stop for Electrical Boxes Outlet Putty Pad, Highest UL and STC Rating - Size 7 x 7 - Pack of 3 Putty Pads - Made in USA - Image 4](https://m.media-amazon.com/images/I/5161FLdlRvL.jpg)
![Acoustical Putty Pads - Moldable Soundproofing Pad - Fire Stop for Electrical Boxes Outlet Putty Pad, Highest UL and STC Rating - Size 7 x 7 - Pack of 3 Putty Pads - Made in USA - Image 5](https://m.media-amazon.com/images/I/517khM-dg5L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***R on 19 January 2026*

Great quality product fire resistant

### ⭐⭐⭐⭐⭐ Review
*by S***L on 23 October 2024*

Easy to use. HVAC, plumbers, and electrical trades all needed this product at one point or another. The inspector is happy with it too.

## Frequently Bought Together

- Acoustical Putty Pads - Moldable Soundproofing Pad - Fire Stop for Electrical Boxes Outlet Putty Pad, Highest UL and STC Rating - Size 7 x 7 - Pack of 3 Putty Pads - Made in USA
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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-04*