---
product_id: 62394075
title: "K11021 Plastic fermit White, Permanent Plastic sealant, Temperature Resistant up to Over 100 °C (500 g can), medium-sized"
brand: "fermit"
price: "€ 14.40"
currency: EUR
in_stock: true
reviews_count: 5
url: https://www.desertcart.es/products/62394075-k11021-plastic-fermit-white-permanent-plastic-sealant-temperature-resistant-up
store_origin: ES
region: Spain
---

# Waterproof & elastic seal Temp resistant 0-120°C Permanently plastic & kneadable K11021 Plastic fermit White, Permanent Plastic sealant, Temperature Resistant up to Over 100 °C (500 g can), medium-sized

**Brand:** fermit
**Price:** € 14.40
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal smart, seal strong — the last sealant you'll ever need!

## Quick Answers

- **What is this?** K11021 Plastic fermit White, Permanent Plastic sealant, Temperature Resistant up to Over 100 °C (500 g can), medium-sized by fermit
- **How much does it cost?** € 14.40 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/62394075-k11021-plastic-fermit-white-permanent-plastic-sealant-temperature-resistant-up)

## Best For

- fermit enthusiasts

## Why This Product

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

## Key Features

- • **Unlimited Shelf Life:** Store it indefinitely without losing effectiveness—always ready when you need it.
- • **Unmatched Flexibility:** Kneadable paste that stays supple—never brittle, ensuring long-lasting seals.
- • **Effortless Application:** Quick and economical to use, saving you time on every project.
- • **Reliable Water Tightness:** Creates a durable, waterproof barrier ideal for sanitary fittings and more.
- • **Heat-Resistant Performance:** Withstands temperatures up to 120°C, perfect for both hot and cold water installations.

## Overview

Fermit K11021 is a 500g white plastic-based kneadable sealant designed for sanitary installations. It offers permanent elasticity, excellent adhesion, and water resistance, functioning reliably in temperatures from 0 to 120°C. Ideal for sealing washbasins, bathtubs, and drain fittings, it ensures durable, flexible, and waterproof seals with unlimited shelf life. Not suitable for natural stone surfaces.

## Description

Product Description Plastic-Fermit is a durable plastic-based kneadable sealant that meets the highest requirements in sanitary installation. Particularly suitable for the insertion of drain fittings in e.g. washbasins, bathtubs and is suitable for cold and hot water. Permanently plastic, supple, economical, quick to use, does not become brittle, good adhesion, unlimited storage, temperature range: 0 to +120 °C. Do not use for marble or other natural stone Box Contains 500 g plastic fermit in a tin

## Features

- Plastic-Fermit is a permanently plastic kneadable sealant based on plastic
- Meets the highest standards in sanitary installation
- washbasins, bathtubs and is suitable for cold and hot water
- Temperature range: 0 to +120 °C. Do not use on marble or other natural stone

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Asin | B000V7G71S |
| Best Sellers Rank | 230,664 in DIY & Tools (See Top 100 in DIY & Tools) 236 in Caulk |
| Brand | Fermit |
| Colour | White |
| Compatible Material | Various sanitary materials |
| Country Of Origin | China |
| Customer Reviews | 4.4 4.4 out of 5 stars (319) 4.4 out of 5 stars |
| Eu Spare Part Availability Duration | 2 Years |
| Global Trade Identification Number | 04030777060026 |
| Included Components | Heater Accessories |
| Item Dimensions | 9.5 x 9.5 x 8.6 centimetres |
| Item Form | Paste |
| Item Weight | 500 Grams |
| Manufacturer | Fermit |
| Manufacturer Part Number | 6002 |
| Material | Plastic |
| Model Number | K11021 |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Style Name | Compact |
| Surface Recommendation | Plastic |
| Unit Count | 500.0 gram |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** Fermit
- **Item dimensions L x W x H:** 9.5 x 9.5 x 8.6 centimetres
- **Item weight:** 500 Grams
- **Material:** Plastic
- **Style:** Compact

## Images

![K11021 Plastic fermit White, Permanent Plastic sealant, Temperature Resistant up to Over 100 °C (500 g can), medium-sized - Image 1](https://m.media-amazon.com/images/I/518OrsKt6qL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Mastic
*by  on Reviewed in France 14 December 2024*

RAS rien à signaler tout est ok livraison rapide merci

### ⭐⭐⭐⭐ Fermit
*by  on Reviewed in Spain 26 April 2019*

Para mí no ha funcionado, pero puede que he hecho algo mal o que no sirve para que lo necesitaba. Pero da un aspecto muy profesional.

### ⭐⭐⭐⭐ Very easy to use.
*by  on Reviewed in Australia 17 May 2026*

good product

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**Shop now:** [https://www.desertcart.es/products/62394075-k11021-plastic-fermit-white-permanent-plastic-sealant-temperature-resistant-up](https://www.desertcart.es/products/62394075-k11021-plastic-fermit-white-permanent-plastic-sealant-temperature-resistant-up)

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-09-01*