---
product_id: 688390632
title: "Waterproof Sealant Black Waterproof Coating 35oz Leak Repair Coating for Flat, Metal, Roofs, Foundations, Gutters, Indoor & Outdoor Walls, Bathroom, Kitchen, Garden Leak Liquid Sealant"
brand: "senven"
price: "¥11586"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/688390632-waterproof-sealant-black-waterproof-coating-35oz-leak-repair-coating-flat
store_origin: JP
region: Japan
---

# Water-based, zero VOCs, safe for indoor/outdoor use 950% elongation for ultimate flexibility Covers up to 30 sq ft per gallon on vertical surfaces Waterproof Sealant Black Waterproof Coating 35oz Leak Repair Coating for Flat, Metal, Roofs, Foundations, Gutters, Indoor & Outdoor Walls, Bathroom, Kitchen, Garden Leak Liquid Sealant

**Brand:** senven
**Price:** ¥11586
**Availability:** ✅ In Stock

## Summary

> 💧 Seal leaks like a pro—flexible, fearless, and flawlessly waterproof!

## Quick Answers

- **What is this?** Waterproof Sealant Black Waterproof Coating 35oz Leak Repair Coating for Flat, Metal, Roofs, Foundations, Gutters, Indoor & Outdoor Walls, Bathroom, Kitchen, Garden Leak Liquid Sealant by senven
- **How much does it cost?** ¥11586 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/688390632-waterproof-sealant-black-waterproof-coating-35oz-leak-repair-coating-flat)

## Best For

- senven enthusiasts

## Why This Product

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

## Key Features

- • **Trusted by Pros & DIYers:** Industry-grade adhesion and compatibility with seam tapes create a complete waterproofing system for lasting peace of mind.
- • **Professional-Grade Coverage:** Effortlessly covers large areas—up to 30 sq ft per gallon on walls, ensuring fewer coats and faster jobs.
- • **Versatile Waterproof Barrier:** Seals flat roofs, metal, foundations, gutters, and even indoor leaks—your all-in-one leak defense.
- • **Eco-Friendly & Odorless Formula:** Water-based and VOC-free, perfect for confined spaces without harsh fumes or damage to sensitive materials.
- • **Unmatched Flexibility & Durability:** Stretches over 9x its length to resist cracks and UV damage—built to move with your building.

## Overview

SENVEN Waterproof Sealant is a premium, water-based black coating designed for superior leak repair and waterproofing on flat and metal roofs, foundations, gutters, and indoor/outdoor surfaces. With 950% elongation, professional coverage specs, and zero VOCs, it offers durable, flexible protection trusted by contractors and DIYers alike.

## Description

Sponsored Ad - Waterproof Sealant Black Waterproof Coating 35oz Leak Repair Coating for Flat, Metal, Roofs, Foundations, Gutters, Indoor & Outdoor Walls, Bathroom, Kitchen, Garden Leak Liquid Sealant

## Features

- SENVEN INDUSTRIAL STRENGTH BITUMEN FORMULA - Create a seamless waterproof membrane on flat roofs, metal roofs, low slope roofs, foundations, gutters, concrete surfaces, planter boxes, and more. Our premium liquid rubber forms a durable barrier against water infiltration where other sealants fail. Superior alternative to traditional roof tar or patch products
- SUPERIOR FLEXIBILITY & DURABILITY - With over 950% elongation, SENVEN waterproof sealant maintains adhesion even with building movement and temperature changes. SENVEN sealant is designed to resist cracking, peeling, and UV damage. Creates a flexible rubberized coating that delivers long-lasting protection
- PROFESSIONAL COVERAGE SPECIFICATIONS - Brush, roll or spray on - For flat/low slope roofs & standing water surfaces: 1 gallon covers 15 sq ft (3-4 heavy coats to achieve 60-80 mil membrane). For vertical surfaces like foundations: 1 gallon covers 30 sq ft (2-3 heavy coats for 30 mil membrane). Ideal for both roof repair and preventative maintenance applications
- WATER-BASED ADVANCED FORMULA - Unlike harsh roof tar or solvent-based products, SENVEN water-based formula contains no VOCs or harmful odors, making it perfect for indoor and outdoor use. Doesn't damage foam insulation or sensitive materials. Perfect for waterproofing projects in confined spaces
- USED BY PROFESSIONALS & DIYers ALIKE - SENVEN Waterproof Sealant is the go-to choice for contractors, property managers, and homeowners tackling projects from roof leak fixes to basement waterproofing. Our high-performance formula delivers professional results whether you're an experienced pro or a first-time DIYer. PREMIUM ADHESION TECHNOLOGY - Superior adhesion to most building materials including metal, concrete, wood, and more.
- ENGINEERED WATERPROOFING SYSTEM - For maximum protection, use with SENVEN Rubber Seam Tape or Geo-Textile to bridge joints, seams, vents, skylights, and protrusions where movement may occur. Creates a comprehensive waterproofing system for long-lasting leak repair and prevention on your roof, basement, or foundation

## Product Details

- **Material:** Rubber
- **Brand:** SENVEN
- **Style:** Black-35 Oz
- **Water Resistance Level:** Waterproof
- **Item Form:** Liquid

## Images

![Waterproof Sealant Black Waterproof Coating 35oz Leak Repair Coating for Flat, Metal, Roofs, Foundations, Gutters, Indoor & Outdoor Walls, Bathroom, Kitchen, Garden Leak Liquid Sealant - Image 1](https://m.media-amazon.com/images/I/71j533pQDYL.jpg)

## Available Options

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

## Frequently Bought Together

- Waterproof Sealant Black Waterproof Coating 35oz Leak Repair Coating for Flat, Metal, Roofs, Foundations, Gutters, Indoor & Outdoor Walls, Bathroom, Kitchen, Garden Leak Liquid Sealant
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**Shop now:** [https://www.desertcart.jp/products/688390632-waterproof-sealant-black-waterproof-coating-35oz-leak-repair-coating-flat](https://www.desertcart.jp/products/688390632-waterproof-sealant-black-waterproof-coating-35oz-leak-repair-coating-flat)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-25*