---
product_id: 350825899
title: "White Polyurethane Caulk"
brand: "masterseal np1"
price: "₪248"
currency: ILS
in_stock: true
url: https://www.desertcart.co.il/products/350825899-white-polyurethane-caulk
store_origin: IL
region: Israel
---

# 100% waterproof seal 10.1 fl oz high-performance volume Made in USA quality White Polyurethane Caulk

**Brand:** masterseal np1
**Price:** ₪248
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal smart, seal strong — never compromise on durability!

## Quick Answers

- **What is this?** White Polyurethane Caulk by masterseal np1
- **How much does it cost?** ₪248 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.il](https://www.desertcart.co.il/products/350825899-white-polyurethane-caulk)

## Best For

- masterseal np1 enthusiasts

## Why This Product

- Trusted masterseal np1 brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted Brand:** BASF-backed quality for professional-grade results every time
- • **Compact & Efficient:** 10.1 oz tube fits easily in your toolkit for on-the-go fixes
- • **Permanent Elasticity:** Maintains flexibility for lasting, crack-free seals
- • **Versatile Application:** Perfect for floors, walls, windows—seal every surface with confidence
- • **Moisture-Curing Formula:** Advanced polyurethane technology ensures durable, waterproof protection

## Overview

MasterSeal NP1 White Polyurethane Caulk is a premium 10.1 oz moisture-curing sealant designed for professional and DIY use. Offering permanent elasticity and 100% waterproof protection, it’s ideal for floors, walls, and windows. Made in the USA by BASF, this high-performance polyurethane caulk ensures long-lasting, crack-resistant seals that keep your projects flawless.

## Description

MasterSeal NP1 White Polyurethane Caulk

## Features

- Shelf-life item - No returns after 30 days
- Only unused/unopened tubes may be returned

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Colour | White |
| Brand | MasterSeal NP1 |
| Item Weight | 10.1 Ounces |
| Liquid Volume | 10.1 Fluid Ounces |
| Surface Recommendation | Floor,Wall,Walls,Window |
| Water Resistance Level | Waterproof |
| Number of Items | 1 |
| Manufacturer | BASF |
| Net Quantity | 1.0 Count |
| Material | Polyurethane |
| Country of Origin | USA |
| Model number | NP1WHITE |
| Item Weight | 286 g |
| Product Dimensions | 33.02 x 5.08 x 5.08 cm; 286.33 g |
| Item model number | NP1WHITE |
| Item Height | 2 Inches |
| Item Width | 2 Inches |
| Are batteries included? | No |

## Product Details

- **Colour:** White
- **Brand:** MasterSeal NP1
- **Item Weight:** 10.1 Ounces
- **Liquid Volume:** 10.1 Fluid Ounces
- **Surface Recommendation:** Floor,Wall,Walls,Window

## Images

![White Polyurethane Caulk - Image 1](https://m.media-amazon.com/images/I/51co7MU0mzL.jpg)

## Frequently Bought Together

- NP1 POLYSEAL WHITE 10OZ
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- 100 Piece Large Jumbo Wooden Craft Sticks (6" x 3/4"), Premium Natural Organic Wood for Waxing, Craft Project, Tongue Depressor, Popsicle, Ice Cream Stick,Woodcraft, Paint Stirrer and Art - Apremont

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**Shop now:** [https://www.desertcart.co.il/products/350825899-white-polyurethane-caulk](https://www.desertcart.co.il/products/350825899-white-polyurethane-caulk)

---

*Product available on Desertcart Israel*
*Store origin: IL*
*Last updated: 2026-01-23*