---
product_id: 668347267
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, 1-Pack"
brand: "flex seal"
price: "₨1149"
currency: LKR
in_stock: false
url: https://www.desertcart.lk/products/668347267-flex-caulk-waterproof-and-weatherproof-hybrid-polymer-sealant-strong-paintable
store_origin: LK
region: Sri Lanka
---

# fully paintable finish 100% 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, 3 oz, 1-Pack

**Brand:** flex seal
**Price:** ₨1149
**Availability:** ❌ Out of Stock

## Summary

> 💪 Seal smart, live leak-free—because your space deserves the best!

## 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, 1-Pack by flex seal
- **How much does it cost?** ₨1149 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/668347267-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

- • **Customizable Finish:** Fully paintable to seamlessly blend with your décor, making every project look professionally done.
- • **Durability That Lasts:** Won’t shrink, crack, or become brittle over time; UV and chemical resistant for long-term performance.
- • **Effortless Application:** No caulk gun required—just snap, squeeze, and seal with the adjustable trigger flow nozzle for precision control.
- • **Ultimate Weatherproofing:** Advanced hybrid polymer formula locks out water, air, and moisture to protect your space indoors and out.
- • **Versatile Surface Bonding:** Adheres flawlessly to virtually any surface—wet or dry—whether wood, metal, glass, or marine-grade materials.

## Overview

Flex Caulk is a 3 oz hybrid polymer sealant designed for indoor and outdoor use, offering waterproof, weatherproof protection with no caulk gun needed. Its advanced formula adheres to almost any surface, resists UV and chemicals, won’t crack or shrink, and is fully paintable for a flawless finish.

## 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
- **Liquid Volume:** 3 Fluid Ounces
- **Full Cure Time:** 4 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, 3 oz, 1-Pack - Image 1](https://m.media-amazon.com/images/I/61qMmJGTcRL.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, 1-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, 1-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, 1-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, 1-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.lk/products/668347267-flex-caulk-waterproof-and-weatherproof-hybrid-polymer-sealant-strong-paintable](https://www.desertcart.lk/products/668347267-flex-caulk-waterproof-and-weatherproof-hybrid-polymer-sealant-strong-paintable)

---

*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-01-24*