---
product_id: 667743216
title: "Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, Clear, 3 oz, 2-Pack"
brand: "flex seal"
price: "€ 65.96"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/667743216-flex-caulk-waterproof-and-weatherproof-hybrid-polymer-sealant-strong-paintable
store_origin: HR
region: Croatia
---

# Adjustable trigger flow nozzle Waterproof & weatherproof seal No caulk gun needed, easy application Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, Clear, 3 oz, 2-Pack

**Brand:** flex seal
**Price:** € 65.96
**Availability:** ✅ In Stock

## Summary

> 💧 Seal smart, live leak-free — the last caulk you’ll ever need!

## Quick Answers

- **What is this?** Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, Clear, 3 oz, 2-Pack by flex seal
- **How much does it cost?** € 65.96 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/667743216-flex-caulk-waterproof-and-weatherproof-hybrid-polymer-sealant-strong-paintable)

## Best For

- flex seal enthusiasts

## Why This Product

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

## Key Features

- • **All-Weather Shield:** Seals out water, air, and moisture—indoors or outdoors
- • **Ultimate Durability:** Advanced hybrid polymer that won’t shrink, crack, or become brittle
- • **Effortless Precision:** Adjustable Trigger Flow Nozzle for perfect control every time
- • **Versatile Application:** Adheres to virtually any surface, wet or dry, from wood to marine
- • **Waste-Free Innovation:** Snap & Save cap eliminates product waste and keeps it fresh

## Overview

Flex Caulk is a 3 oz, 2-pack hybrid polymer sealant designed for indoor and outdoor use. It features an adjustable trigger flow nozzle for easy, precise application without a caulk gun. Waterproof, weatherproof, UV and chemical resistant, it adheres to almost any surface—wet or dry—and won’t shrink, crack, or become brittle. Fully paintable with a Snap & Save cap to prevent waste, it’s perfect for everything from baths and showers to RVs and marine use.

## Description

Full description not available

## Features

- So easy to use.
- No caulk gun needed.
- Adjustable Trigger Flow Nozzle.
- Advanced hybrid polymer formulation.
- Snap & Save cap eliminates waste.
- Seals out water, air, and moisture.
- Adheres to virtually any surface, wet or dry.
- Won’t shrink, crack, or become brittle.
- UV and chemical resistant.
- Fully paintable.

## Product Details

- **Color:** Clear
- **Brand:** Flex Seal
- **Item Weight:** 14.08 ounces
- **Liquid Volume:** 6 Fluid Ounces
- **Full Cure Time:** 24 Hours

## Images

![Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, Clear, 3 oz, 2-Pack - Image 1](https://m.media-amazon.com/images/I/71xy-iomc+L.jpg)
![Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, Clear, 3 oz, 2-Pack - Image 2](https://m.media-amazon.com/images/I/71kzVXsAvvL.jpg)
![Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, Clear, 3 oz, 2-Pack - Image 3](https://m.media-amazon.com/images/I/81VALuspk5L.jpg)
![Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, Clear, 3 oz, 2-Pack - Image 4](https://m.media-amazon.com/images/I/81Qt93T3zkL.jpg)
![Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, Clear, 3 oz, 2-Pack - Image 5](https://m.media-amazon.com/images/I/918LYL9+VsL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.hr/products/667743216-flex-caulk-waterproof-and-weatherproof-hybrid-polymer-sealant-strong-paintable](https://www.desertcart.hr/products/667743216-flex-caulk-waterproof-and-weatherproof-hybrid-polymer-sealant-strong-paintable)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-23*