---
product_id: 495501064
title: "3 Pack MasterSeal NP1 White Polyurethane Caulk"
brand: "masterseal np1"
price: "₪31"
currency: ILS
in_stock: false
url: https://www.desertcart.co.il/products/495501064-3-pack-masterseal-np1-white-polyurethane-caulk
store_origin: IL
region: Israel
---

# Waterproof feature 31.2x11.5x1.6cm dimensions 454g weight 3 Pack MasterSeal NP1 White Polyurethane Caulk

**Brand:** masterseal np1
**Price:** ₪31
**Availability:** ❌ Out of Stock

## Summary

> 🔒 Seal Your Space with Confidence!

## Quick Answers

- **What is this?** 3 Pack MasterSeal NP1 White Polyurethane Caulk by masterseal np1
- **How much does it cost?** ₪31 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.il](https://www.desertcart.co.il/products/495501064-3-pack-masterseal-np1-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

- • **Seal the Deal:** MasterSeal NP1 ensures a flawless finish for all your projects.
- • **No Hassle Returns:** Enjoy peace of mind with our 30-day return policy on unopened tubes.
- • **Perfectly Packaged:** Comes in a convenient 3-pack for all your sealing needs.
- • **Time-Tested Quality:** Manufactured by BASF, a leader in construction materials.
- • **Durable & Dependable:** Crafted from high-quality polyurethane for long-lasting results.

## Overview

The 3 Pack MasterSeal NP1 White Polyurethane Caulk is a high-performance sealing solution designed for durability and waterproofing. Manufactured by BASF, this caulk comes in a convenient 3-pack, ensuring you have enough for multiple projects. With a weight of 454g and compact dimensions, it's easy to store and handle. Enjoy a 30-day return policy on unopened tubes, making it a risk-free choice for your sealing needs.

## Description

versatile, high performance, moisture-curing polyurethane sealant with permanent elasticity (Formerly: Sonolastic NP 1). For use on active interior, vertical and horizontal, exterior joints including expansion wall joints, floor and pavement joints, curtain walls, panel walls, precast walls, window frames, structural components, dams, landfills and storm drains. Substrates include concrete, masonry, aluminum and wood. Adheres to concrete, masonry and other materials without priming. No mixing required. Skins overnight and fully cures in one week. Dries smooth and paintable. Under ideal conditions: Skins Plus (24 hours), Functional (3 days), Full Cure (5-7 days). Does not contain a fungicide, but generally will not harbor mold/mildew growth. Longevity: Up to 15 years. Meets Federal Specifications TT-S-00230C, Type II, Class A; ASTM-C-920, Type S, Grade NS, Class 25 - NT, M, A, G, and I use; Corps of Engineers CRD-DD-541, Type II, Class A; and ISO 11600-F-25LM. USDA approved for use in meat and poultry areas. Canadian approval for use in food handling establishments. SWRI validated. Joint motion capability +/- 35%. 10.1 oz tube. Shelf life: 12 months.

## Features

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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | BASF |
| Part number | NP1WHITE |
| Item Weight | 454 g |
| Package Dimensions | 31.2 x 11.5 x 1.6 cm; 453.59 g |
| Item model number | NP1WHITE |
| Colour | White |
| Material | Polyurethane |
| Item Package Quantity | 1 |
| Special Features | Waterproof |
| Batteries included? | No |

## Product Details

- **Colour:** White
- **Brand:** MasterSeal NP1
- **Item weight:** 1 Pounds
- **Item form:** Paste
- **Water resistance level:** Waterproof

## Images

![3 Pack MasterSeal NP1 White Polyurethane Caulk - Image 1](https://m.media-amazon.com/images/I/31VM3ozz27L.jpg)

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**Shop now:** [https://www.desertcart.co.il/products/495501064-3-pack-masterseal-np1-white-polyurethane-caulk](https://www.desertcart.co.il/products/495501064-3-pack-masterseal-np1-white-polyurethane-caulk)

---

*Product available on Desertcart Israel*
*Store origin: IL*
*Last updated: 2026-02-20*