---
product_id: 366488669
title: "Heavy Duty Exterior Sealer for Stone & Masonry, 1-Quart (.946L)"
brand: "stonetech"
price: "31.13 OMR"
currency: OMR
in_stock: true
reviews_count: 5
category: "Stone Tech"
url: https://www.desertcart.com.om/products/366488669-heavy-duty-exterior-sealer-for-stone-and-masonry-1-quart
store_origin: OM
region: Oman
---

# Water-repellent formula Weather-resistant durability Advanced stain protection Heavy Duty Exterior Sealer for Stone & Masonry, 1-Quart (.946L)

**Brand:** stonetech
**Price:** 31.13 OMR
**Availability:** ✅ In Stock

## Summary

> 🛡️ Seal your stone’s future with the ultimate exterior armor!

## Quick Answers

- **What is this?** Heavy Duty Exterior Sealer for Stone & Masonry, 1-Quart (.946L) by stonetech
- **How much does it cost?** 31.13 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/366488669-heavy-duty-exterior-sealer-for-stone-and-masonry-1-quart)

## Best For

- stonetech enthusiasts

## Why This Product

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

## Key Features

- • **Efflorescence Minimizer:** Prevents unsightly salt deposits and surface damage
- • **Deep Penetration Formula:** Seals pores without altering natural stone beauty
- • **Heavy-Duty Weather Shield:** Defends against rain, snow, and UV exposure for years
- • **Unmatched Water Repellency:** Keeps stone & masonry surfaces dry and pristine
- • **Limited Edition Solvent-Based Power:** Last chance to own the most durable exterior sealer on the market

## Overview

StoneTech Heavy Duty Exterior Sealer is a solvent-based, penetrating sealer designed for natural stone, masonry, and grout. It offers superior water and stain resistance, minimizes efflorescence, and provides long-lasting weather protection. This product is highly durable, lasting 4-5 years per application, but is being discontinued—making it a rare find for professionals seeking premium exterior stone care.

## Description

STONETECHh Heavy Duty Exterior Sealer is a solvent based penetrating sealer which offers advanced stain protection and weather resistance on natural stone masonry and grout surfaces Designed specifically to meet the challenges of exterior applications STONETECH Heavy Duty Exterior Sealer minimizes efflorescence and repels water

Review: Product arrived opened , and leaking. It was missing about 1/4 of the liquid. Box was soaked
Review: (READ NOTE about product's retirement at review's end.) -- My front porch is covered with natural slate tiles that require a sealer. After installation of the slate tiles about 12 years ago, I used StoneTech's stone & tile cleaner followed by their Heavy Duty Sealer. Both products worked like a dream. The cleaner did a great job of preparing the tiles for the sealer. The sealer applied easily (two coats) with a foam roller (followed by wiping off the excess with a cloth): it absorbed completely and deeply into the tiles. Afterwards, the color of the slate tiles was magnificent. The sealer is durable, lasting about 4 to 5 years without needing a 'maintenance' recoat. This Fall (2025), I bought more stone cleaner and the sealer for another maintenance coat. I am very happy with the result again. NOTICE: The Stonetech Heavy Duty Exterior Sealer is SOLVENT-based, which makes it very durable. Unfortunately, Stonetech discontinued its solvent-based sealer and replaced it with a WATER-based sealer. No water-based sealer holds up as well in exterior applications. Once the current stock of solvent-based sealer is sold out, the Heavy Duty Sealer is gone forever. I bought a gallon to store away for the next maintenance coat.

## Features

- Advanced protection against water-based stains
- Protects natural stone, masonry and grout
- Minimizes efflorescence and repels water
- Provides weather resistance
- Solvent-based formula

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00065W8GS |
| Item model number | WBS12-32 |
| Manufacturer | StoneTech |
| Package Dimensions | 19.71 x 11.51 x 6.5 cm; 789 g |

## Product Details

- **Brand:** StoneTech
- **Item form:** Liquid
- **Material:** Stone
- **Style:** Compact
- **Water resistance level:** Water Resistant

## Images

![Heavy Duty Exterior Sealer for Stone & Masonry, 1-Quart (.946L) - Image 1](https://m.media-amazon.com/images/I/71aCzpn+0hL.jpg)

## Questions & Answers

**Q: Will this product make my limestone front steps slippery ?**
A: I too, was concerned when I applied Stonetech to my slate front porch and steps, but I have been using it there for 8 years and it has never made the steps slippery.

**Q: How is stone tech sealer applied?**
A: I applied it with a paint brush. I imagine you can use a roller or rag, depending on the roughness of the stone and how big it is.

**Q: What is the finish when dry? High gloss, semi-gloss, satin?**
A: Semi gloss but it seals the stone

**Q: Could i use this to reattach a pillow grave stone to its base?**
A: No this sealer just protects your stone.We are Surface Busters Hard Surface Cleaning And Restoration.

## Customer Reviews

### ⭐ Review
*by A***R on 28 October 2021*

Product arrived opened , and leaking. It was missing about 1/4 of the liquid. Box was soaked

### ⭐⭐⭐⭐⭐ Review
*by P***L on 10 October 2025*

(READ NOTE about product's retirement at review's end.) -- My front porch is covered with natural slate tiles that require a sealer. After installation of the slate tiles about 12 years ago, I used StoneTech's stone & tile cleaner followed by their Heavy Duty Sealer. Both products worked like a dream. The cleaner did a great job of preparing the tiles for the sealer. The sealer applied easily (two coats) with a foam roller (followed by wiping off the excess with a cloth): it absorbed completely and deeply into the tiles. Afterwards, the color of the slate tiles was magnificent. The sealer is durable, lasting about 4 to 5 years without needing a 'maintenance' recoat. This Fall (2025), I bought more stone cleaner and the sealer for another maintenance coat. I am very happy with the result again. NOTICE: The Stonetech Heavy Duty Exterior Sealer is SOLVENT-based, which makes it very durable. Unfortunately, Stonetech discontinued its solvent-based sealer and replaced it with a WATER-based sealer. No water-based sealer holds up as well in exterior applications. Once the current stock of solvent-based sealer is sold out, the Heavy Duty Sealer is gone forever. I bought a gallon to store away for the next maintenance coat.

### ⭐⭐⭐⭐⭐ Review
*by J***N on 21 January 2026*

Works very well as a sealer for the sandstone surrounding our swimming pool. I apply it once a year, and have noticed a significant reduction in the amount of sand appearing in the pool. Easy to install.

## Frequently Bought Together

- STONETECH Heavy Duty Exterior Sealer, 1 Quart/32 Oz (946ML) Bottle
- STONETECH Bulletproof Sealer, 1 Quart/32 OZ (946ML) Bottle
- STONETECH KlenzAll Cleaner, Heavy Duty Cleaner for Stone & Tile, 24OZ (709ML) Spray Bottle

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.om/products/366488669-heavy-duty-exterior-sealer-for-stone-and-masonry-1-quart](https://www.desertcart.com.om/products/366488669-heavy-duty-exterior-sealer-for-stone-and-masonry-1-quart)

---

*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-03-18*