---
product_id: 626499774
title: "Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, Clear, 6.6 oz, 2-Pack"
brand: "flex seal"
price: "€ 91.18"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/626499774-flex-caulk-waterproof-and-weatherproof-hybrid-polymer-sealant-strong-paintable
store_origin: HR
region: Croatia
---

# UV resistant Waterproof seal No caulk gun needed Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, Clear, 6.6 oz, 2-Pack

**Brand:** flex seal
**Price:** € 91.18
**Availability:** ✅ In Stock

## Summary

> Seal the Deal! 🛠️ Your go-to solution for every project.

## 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, 6.6 oz, 2-Pack by flex seal
- **How much does it cost?** € 91.18 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/626499774-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

- • **Versatile Adhesion:** Bonds to any surface, wet or dry, for ultimate flexibility.
- • **Durable Performance:** Resists shrinking, cracking, and brittleness over time.
- • **Waste Not, Want Not:** Snap & Save cap design minimizes waste and maximizes efficiency.
- • **Effortless Application:** No caulk gun required—just squeeze and seal!
- • **Fully Paintable Finish:** Easily blend with your decor for a seamless look.

## Overview

Flex Caulk is a revolutionary waterproof and weatherproof hybrid polymer sealant designed for both indoor and outdoor use. This 6.6 oz, 2-pack product features an adjustable trigger flow nozzle for easy application without a caulk gun. Its advanced formulation adheres to virtually any surface, is UV and chemical resistant, and is fully paintable, making it the perfect choice for a variety of sealing needs.

## Description

Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, Clear, 6.6 oz, 2-Pack

## 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
- **Liquid Volume:** 13.2 Fluid Ounces
- **Full Cure Time:** 24 Hours
- **Item Form:** Liquid

## Images

![Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, Clear, 6.6 oz, 2-Pack - Image 1](https://m.media-amazon.com/images/I/7144fIF54EL.jpg)

## Available Options

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

## Frequently Bought Together

- Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, Clear, 6.6 oz, 2-Pack
- ALLWAY CT31 3-in-1 Caulk Tool for Removal and Application

---

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**Shop now:** [https://www.desertcart.hr/products/626499774-flex-caulk-waterproof-and-weatherproof-hybrid-polymer-sealant-strong-paintable](https://www.desertcart.hr/products/626499774-flex-caulk-waterproof-and-weatherproof-hybrid-polymer-sealant-strong-paintable)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-24*