---
product_id: 42749661
title: "SIKA Sikaflex 1a 20 oz Sausage, Aluminum Gray, 1 Unit, One Component, Elastomeric, Non Sag, Polyurethane Concrete and Masonry Joint Sealant for Vertical and Horizontal Joints"
brand: "sika"
price: "€ 54.99"
currency: EUR
in_stock: true
category: "Sika"
url: https://www.desertcart.hr/products/42749661-sika-sikaflex-1a-20-oz-sausage-aluminum-gray-1-unit
store_origin: HR
region: Croatia
---

# ±35% joint movement flexibility Weather-resistant & aging-proof One-component, no primer needed SIKA Sikaflex 1a 20 oz Sausage, Aluminum Gray, 1 Unit, One Component, Elastomeric, Non Sag, Polyurethane Concrete and Masonry Joint Sealant for Vertical and Horizontal Joints

**Brand:** sika
**Price:** € 54.99
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal smart, last longer — the pro’s choice for flawless joints!

## Quick Answers

- **What is this?** SIKA Sikaflex 1a 20 oz Sausage, Aluminum Gray, 1 Unit, One Component, Elastomeric, Non Sag, Polyurethane Concrete and Masonry Joint Sealant for Vertical and Horizontal Joints by sika
- **How much does it cost?** € 54.99 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/42749661-sika-sikaflex-1a-20-oz-sausage-aluminum-gray-1-unit)

## 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 Brave Any Climate:** Superior resistance to weathering and aging means your projects look flawless year-round.
- • **Strong, Primer-Free Adhesion:** Bonds directly to most construction materials, streamlining your workflow without extra prep.
- • **Versatile Sealant for Every Job:** Perfect for vertical and horizontal joints—windows, doors, roofing, and concrete get professional-grade protection.
- • **Effortless Pro-Grade Application:** Compatible with standard sausage caulking guns—no special tools required, saving you time and hassle.
- • **Unmatched Flexibility for Dynamic Joints:** Accommodates up to ±35% joint movement, ensuring your seals stay intact through expansion and contraction.

## Overview

Sikaflex 1A is a premium one-component polyurethane sealant designed for durable, flexible, and weather-resistant sealing of concrete and masonry joints. It offers strong adhesion without primer, accommodates significant joint movement (±35%), and cures to a tough, elastic finish ideal for both vertical and horizontal applications.

## Description

Sikaflex 1A is a moisture-cured, non-sag elastomeric sealant that provides durable and flexible seals for various construction joints. Its one-component formulation simplifies application, requiring only a standard caulking gun. Once cured, it forms a tough, elastic seal capable of accommodating joint movement up to ±35%, ensuring integrity over time. The sealant adheres strongly to most construction materials without a primer and offers excellent resistance to aging and weathering. Suitable for both vertical and horizontal joints, Sikaflex 1A is an ideal choice for sealing windows, door frames, roofing details, and other construction joints.

## Features

- Easy Application: Requires only a standard sausage caulking gun for installation, eliminating the need for specialized tools.
- Flexible and Durable: Accommodates joint movement up to ±35%, ensuring long-lasting seals that withstand expansion and contraction
- Strong Adhesion: Bonds effectively to most construction materials without the need for a primer, simplifying the sealing process
- Weather-Resistant: Exhibits excellent resistance to aging and weathering, making it suitable for diverse climates and conditions
- Versatile Use: Ideal for sealing joints in windows, door frames, roofing details, and other construction applications.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00MH8OIXS |
| Best Sellers Rank | #33,118 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #398 in Industrial Sealants #422 in Caulk #31,805 in Hardware |
| Brand Name | SIKA |
| Color | ALUMINUM GRAY |
| Customer Reviews | 4.1 4.1 out of 5 stars (54) |
| Full Cure Time | 120 hours |
| Included Components | 20 oz sausage |
| Item Form | Paste |
| Item Weight | 1.3 pounds |
| Liquid Volume | 590 ml |
| Manufacturer | SIKA |
| Material Type | Polyurethane |
| Maximum Gap Fill | 1.2 inches |
| Model | 91002 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | 91002 |
| Surface Recommendation | Concrete |
| Tensile Strength | 175 psi |
| UPC | 033886003001 |
| Unit Count | 1 Count |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** SIKA
- **Color:** ALUMINUM GRAY
- **Full Cure Time:** 120 hours
- **Item Weight:** 1.3 pounds
- **Liquid Volume:** 590 ml

## Images

![SIKA Sikaflex 1a 20 oz Sausage, Aluminum Gray, 1 Unit, One Component, Elastomeric, Non Sag, Polyurethane Concrete and Masonry Joint Sealant for Vertical and Horizontal Joints - Image 1](https://m.media-amazon.com/images/I/41nwXRi5EbL.jpg)
![SIKA Sikaflex 1a 20 oz Sausage, Aluminum Gray, 1 Unit, One Component, Elastomeric, Non Sag, Polyurethane Concrete and Masonry Joint Sealant for Vertical and Horizontal Joints - Image 2](https://m.media-amazon.com/images/I/61e8C90sBbL.jpg)
![SIKA Sikaflex 1a 20 oz Sausage, Aluminum Gray, 1 Unit, One Component, Elastomeric, Non Sag, Polyurethane Concrete and Masonry Joint Sealant for Vertical and Horizontal Joints - Image 3](https://m.media-amazon.com/images/I/51dcZ21ZDtL.jpg)
![SIKA Sikaflex 1a 20 oz Sausage, Aluminum Gray, 1 Unit, One Component, Elastomeric, Non Sag, Polyurethane Concrete and Masonry Joint Sealant for Vertical and Horizontal Joints - Image 4](https://m.media-amazon.com/images/I/51Hu7Z3y78L.jpg)
![SIKA Sikaflex 1a 20 oz Sausage, Aluminum Gray, 1 Unit, One Component, Elastomeric, Non Sag, Polyurethane Concrete and Masonry Joint Sealant for Vertical and Horizontal Joints - Image 5](https://m.media-amazon.com/images/I/51IbebT66EL.jpg)

## Available Options

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

## Questions & Answers

**Q: How many in a pack?**
A: This product is packaged in cases of 20. If you would like to order a full case you would want to select a qty of 20. The price listed is per sausage.

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.hr/products/42749661-sika-sikaflex-1a-20-oz-sausage-aluminum-gray-1-unit](https://www.desertcart.hr/products/42749661-sika-sikaflex-1a-20-oz-sausage-aluminum-gray-1-unit)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-10-15*