---
product_id: 606423033
title: "PU expanding foam"
brand: "sika"
price: "€ 11.51"
currency: EUR
in_stock: true
category: "Sika"
url: https://www.desertcart.at/products/606423033-pu-expanding-foam
store_origin: AT
region: Austria
---

# High expansion rate fills gaps up to 3 inches Superior thermal & acoustic insulation Durable, flexible seal withstands building movement PU expanding foam

**Brand:** sika
**Price:** € 11.51
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** PU expanding foam by sika
- **How much does it cost?** € 11.51 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/606423033-pu-expanding-foam)

## Best For

- sika enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** High-density polyurethane foam ensures a durable, flexible seal that adapts with your building.
- • **Multi-Use Master:** Perfect for windows, doorframes, AC ducts, vents, and pipe entries—your all-in-one sealing solution.
- • **Fill Big Gaps Fast:** Expands rapidly to seal cracks up to 3 inches—no more drafts or leaks!
- • **Eco-Friendly & Safe:** HFC-free formula means powerful performance without harming the planet.
- • **Compact & Convenient:** 250 ml can size fits easily in your toolkit for quick, mess-free application anytime.

## Overview

SIKA SikaBoom AP is a fast-curing, single-component polyurethane expanding foam spray designed for professional-grade sealing and insulation. With a high expansion rate filling gaps up to 3 inches, it offers durable, flexible sealing that withstands building movement. The HFC-free, light yellow foam provides superior thermal and acoustic insulation, making it ideal for windows, doorframes, ducts, and more. Available in a handy 250 ml can, it’s engineered in Germany and trusted by thousands for reliable, eco-conscious performance.

## 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

## 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 | #28 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Single-component Expanding Foam |
| Brand | SIKA |
| Colour | Light yellow |
| Country of Origin | Germany |
| Customer Reviews | 3.9 3.9 out of 5 stars (2,893) |
| 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 expanding foam - Image 1](https://m.media-amazon.com/images/I/51skhTpKifL.jpg)

## Available Options

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

## 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
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**Shop now:** [https://www.desertcart.at/products/606423033-pu-expanding-foam](https://www.desertcart.at/products/606423033-pu-expanding-foam)

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*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-08-28*