---
product_id: 606423033
title: "PU Joint Filler"
price: "€ 10.54"
currency: EUR
in_stock: true
reviews_count: 8
url: https://www.desertcart.pt/products/606423033-pu-joint-filler
store_origin: PT
region: Portugal
---

# High expansion rate fills gaps up to 3 inches Superior thermal insulation & noise dampening Durable, flexible seal withstands building movement PU Joint Filler

**Price:** € 10.54
**Availability:** ✅ In Stock

## Summary

> 🛠️ Seal smart, live smart — don’t let gaps steal your comfort!

## Quick Answers

- **What is this?** PU Joint Filler
- **How much does it cost?** € 10.54 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/606423033-pu-joint-filler)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Right Size for Every Job:** Available in 250 ml, 500 ml, and 750 ml cans to match your project scale perfectly.
- • **Eco-Smart & User-Friendly:** HFC-free, single-component spray that’s easy to apply—no fuss, no mess, just results.
- • **Built to Last, Built to Move:** High-density foam flexes with structural shifts, ensuring a long-lasting, crack-proof seal.
- • **Keep the Cold Out, Comfort In:** Advanced PU formula provides top-tier thermal insulation and noise reduction for a cozy space.
- • **Fill Big, Fast, and Flawlessly:** Expands rapidly to seal and insulate large gaps up to 3 inches with ease.

## Overview

SIKA SikaBoom AP is a fast-curing, single-component polyurethane expanding foam spray designed for professional-grade sealing, filling, and insulation. With a high expansion rate that fills gaps up to 3 inches, it offers durable, flexible sealing that adapts to building movements. This HFC-free, light yellow foam provides superior thermal insulation and noise dampening, making it ideal for window joints, doorframes, ducts, and more. Available in multiple sizes, it’s the go-to solution for efficient, eco-conscious building maintenance.

## Description

SIKA – PU expanding foam spray – SikaBoom AP – Single component polyurethane foam – Fast curing – HFC-free – Easy to apply – 250 ml – Light Yellow : desertcart.in: Industrial & Scientific

Review: Best and easy to use - This product is just worth it to fill gaps n holes in walls , instantly dries preventing any mosquito or lizards entry. Super easy to use ,foam is very good quality .
Review: Good - Works ok ok. Quantity is low.

## Features

- HIGH EXPANSION RATE – SikaBoom AP expandable foam provides effective filling, sealing and insulation to gaps and cracks up to three inches in size
- IMPROVED DURABILITY – Use this fixing foam to fill and insulate window connection joints and gaps in doorframes, AC duct and vents, roller blind housings and pipe entry points
- FLEXIBLE – Multi-positioning polyurethane foam is high density to provide a strong seal, withstanding building and material movement
- SUPERIOR INSULATION – Being a PU foam spray, it thermally insulates, keeps out the cold and draughts, and dampens noise
- CHOOSE YOUR SIZE – Cans come in 250 ml, 500 ml and 750 ml quantities of light yellow foam

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CRL3TH78 |
| Best Sellers Rank | #224 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Single-component Expanding Foam |
| Brand | SIKA |
| Colour | Light yellow |
| Country of Origin | Germany |
| Customer Reviews | 3.9 3.9 out of 5 stars (2,977) |
| Date First Available | 5 January 2024 |
| Generic Name | Expansing foam |
| Importer | Sika India Private Ltd. Plot No D 101/2, MIDC Industrial Area, Shiravane,, Nerul, 400706 Navi Mumbai, India, Contact: +91-22-6270-4038 |
| Included Components | 1 aerosol |
| Item Dimensions LxWxH | 6 x 6 x 20 Centimeters |
| Item Height | 20 Centimeters |
| Item Weight | 280 g |
| Item Width | 6 Centimeters |
| Item model number | 73836 |
| Manufacturer | Sika, Sika India Private Ltd. Plot No D 101/2, MIDC Industrial Area, Shiravane,, Nerul, 400706 Navi Mumbai, India, Contact: +91-22-6270-4038 |
| Model number | 73836 |
| Net Quantity | 250 Milliliters |
| Number of Memory Sticks | 1 |
| Packer | Sika India Private Ltd. Plot No D 101/2, MIDC Industrial Area, Shiravane,, Nerul, 400706 Navi Mumbai, India, Contact: +91-22-6270-4038 |
| Product Dimensions | 6 x 6 x 20 cm; 280 g |

## Images

![PU Joint Filler - Image 1](https://m.media-amazon.com/images/I/51skhTpKifL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Best and easy to use
*by M***A on 18 June 2026*

This product is just worth it to fill gaps n holes in walls , instantly dries preventing any mosquito or lizards entry. Super easy to use ,foam is very good quality .

### ⭐⭐⭐⭐ Good
*by S***E on 12 August 2026*

Works ok ok. Quantity is low.

### ⭐⭐⭐⭐⭐ Useful product but alertness is required
*by G***I on 26 July 2026*

Good but be alert while spraying and dont try to remove excess it can burst and liquid comes out which is very harmful

## Frequently Bought Together

- SIKA – PU expanding foam spray – SikaBoom AP – Single component polyurethane foam – Fast curing – HFC-free – Easy to apply – 250 ml – Light Yellow
- Dr. Fixit Kwik N Ezee Wall Gap & Crack Filler, 150gm (White), DIY Waterproofing for Home Repairs, Kitchen Sink & Wall Cracks, Bathroom Tile Gaps Sealant, Metal, Wood, PVC, Best for Wet & Damp areas
- Unity Brand Tiles Gap Filler Waterproof, Gap Sealant, Grout, White Cement Paste Tube, Gap Filler for Walls and Joints, Waterproof Sealant, Tile Gap Filler Tube for Kitchen, Bathroom (180 ML.)

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**Shop now:** [https://www.desertcart.pt/products/606423033-pu-joint-filler](https://www.desertcart.pt/products/606423033-pu-joint-filler)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-09-27*