---
product_id: 404020894
title: "King ston Multipurpose Expandable PU Foam Insulation Sealant Spray for Window, Tile, Door, AC Gaps & HVAC applications, 750 ml - 1Pc + 1Pc Straw"
brand: "kingston"
price: "S$14"
currency: SGD
in_stock: false
reviews_count: 6
url: https://www.desertcart.sg/products/404020894-king-ston-multipurpose-expandable-pu-foam-insulation-sealant-spray-window
store_origin: SG
region: Singapore
---

# Superior soundproofing 2.0-2.5L high expansion Weather & chemical resistant King ston Multipurpose Expandable PU Foam Insulation Sealant Spray for Window, Tile, Door, AC Gaps & HVAC applications, 750 ml - 1Pc + 1Pc Straw

**Brand:** kingston
**Price:** S$14
**Availability:** ❌ Out of Stock

## Summary

> 🛠️ Seal smart, save energy, and silence the noise!

## Quick Answers

- **What is this?** King ston Multipurpose Expandable PU Foam Insulation Sealant Spray for Window, Tile, Door, AC Gaps & HVAC applications, 750 ml - 1Pc + 1Pc Straw by kingston
- **How much does it cost?** S$14 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/404020894-king-ston-multipurpose-expandable-pu-foam-insulation-sealant-spray-window)

## Best For

- kingston enthusiasts

## Why This Product

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

## Key Features

- • **Maximize Every Gap:** Expands up to 2.5 liters to fill large cracks, joints, and openings effortlessly.
- • **Universal Bonding Power:** Adheres seamlessly to concrete, wood, metal, PVC, and masonry for versatile applications.
- • **Easy Precision Application:** Comes with a manual straw for controlled dispensing—no extra tools needed.
- • **Built to Brave the Elements:** Resistant to extreme temperatures, aging, chemicals, and pests for long-lasting insulation.
- • **Seal & Soundproof Like a Pro:** Delivers excellent thermal and acoustic insulation for windows, doors, HVAC, and more.

## Overview

Kingston Multipurpose Expandable PU Foam Spray offers a high-yield, moisture-cured solution that expands up to 2.5 liters to fill and insulate gaps around windows, doors, pipes, and HVAC systems. Its durable, weather-resistant formula bonds to a wide range of building materials, providing superior thermal and sound insulation while protecting against pests and chemical damage. Ideal for professionals seeking efficient, long-lasting sealing with easy manual application.

## Description

Kingston PU Foam is one component, multipurpose Straw grade foam based on moisture curing technology. It requires manual straw for applications. It is used to seal gaps and crevice with very high expansion yield up to 2.0-2.5 liters (Expansion). The foam that dispenses from aerosol can is moisture cured and draws humidity from the air for cure. PU foam is widely used for filling joints between walls, ceilings, floors and gaps around pipes, windows and door frames. Foam can be cut once fully cured, lumber, metals, plywood, concrete, masonry and provides excellent bond to other materials. The cured foam is resistant against all weather conditions, aging steam, too hot or too cold, many chemicals, rats and pests. Giving perfect insulation against heat and sound. Adhere to almost all building materials such as concrete, masonry, plaster, timber, cement, marble, stone, hard pvc, metal etc. Kingston Industrial grade PU Cleaner is required to clean extra foam from surfaces or cloths.

## Features

- Window and door frame installation, mounting and sealing
- Insulation of electrical outlets, hot and cold water pipes, large cracks, holes, joints & openings etc
- Fills interconnection spaces in the roof construction, corrugated steel and roof tiles
- Soundproofing application on screen, partition walls, car and boat cabins. Improving thermal insulation in cooling systems
- It requires dispensing gun or manual hand straw for applications

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Kingston |
| Manufacturer | Kingston Multi Products India Pvt Ltd |
| Model number | KPU750 |
| Colour | beige |
| Number of Memory Sticks | 1 |
| Item Weight | 800 g |
| Product Dimensions | 10 x 10 x 30 cm; 800 g |
| Item model number | KPU750 |
| Item Height | 30 Centimeters |
| Item Width | 10 Centimeters |
| Are batteries included? | No |

## Images

![King ston Multipurpose Expandable PU Foam Insulation Sealant Spray for Window, Tile, Door, AC Gaps & HVAC applications, 750 ml - 1Pc + 1Pc Straw - Image 1](https://m.media-amazon.com/images/I/61WGUP95oDL.jpg)
![King ston Multipurpose Expandable PU Foam Insulation Sealant Spray for Window, Tile, Door, AC Gaps & HVAC applications, 750 ml - 1Pc + 1Pc Straw - Image 2](https://m.media-amazon.com/images/I/71mwvaFhSZL.jpg)
![King ston Multipurpose Expandable PU Foam Insulation Sealant Spray for Window, Tile, Door, AC Gaps & HVAC applications, 750 ml - 1Pc + 1Pc Straw - Image 3](https://m.media-amazon.com/images/I/51fuj65VwDL.jpg)
![King ston Multipurpose Expandable PU Foam Insulation Sealant Spray for Window, Tile, Door, AC Gaps & HVAC applications, 750 ml - 1Pc + 1Pc Straw - Image 4](https://m.media-amazon.com/images/I/41QZYtAnJ6L.jpg)
![King ston Multipurpose Expandable PU Foam Insulation Sealant Spray for Window, Tile, Door, AC Gaps & HVAC applications, 750 ml - 1Pc + 1Pc Straw - Image 5](https://m.media-amazon.com/images/I/41gOhApgGSL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great
*by D***U on 23 June 2022*

Very good product for filling up gaps and holes.

### ⭐⭐⭐ No comments
*by T***M on 30 May 2022*

No comments

### ⭐⭐⭐⭐ Superb
*by T***I on 18 June 2023*

Best solution for gaps and cracks

## Frequently Bought Together

- King ston Multipurpose Expandable PU Foam Insulation Sealant Spray for Window, Tile, Door, AC Gaps & HVAC applications, 750 ml - 1Pc + 1Pc Straw
- GREE AMRO R9 Expansion PU Foam Straw Type Manual Use DIY Polyurethane Foam Spray - 750ml Fills Gaps Easily (1)

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**Shop now:** [https://www.desertcart.sg/products/404020894-king-ston-multipurpose-expandable-pu-foam-insulation-sealant-spray-window](https://www.desertcart.sg/products/404020894-king-ston-multipurpose-expandable-pu-foam-insulation-sealant-spray-window)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-02-10*