---
product_id: 413463000
title: "Elastomeric Polyurethane Sealant, NP1, White, 10.1-oz. -NP1WHT12"
brand: "masterseal"
price: "€ 60.44"
currency: EUR
in_stock: true
category: "Master Seal"
url: https://www.desertcart.es/products/413463000-elastomeric-polyurethane-sealant-np1-white-10-1-oz-np1wht12
store_origin: ES
region: Spain
---

# Elastomeric Polyurethane Sealant, NP1, White, 10.1-oz. -NP1WHT12

**Brand:** masterseal
**Price:** € 60.44
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Elastomeric Polyurethane Sealant, NP1, White, 10.1-oz. -NP1WHT12 by masterseal
- **How much does it cost?** € 60.44 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/413463000-elastomeric-polyurethane-sealant-np1-white-10-1-oz-np1wht12)

## Best For

- masterseal enthusiasts

## Why This Product

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

## Description

Sonolastic NP1 is a versatile moisture-curing high-performance polyurethane sealant with permanent elasticity. For use on active, vertical and horizontal interior, exterior joints including expansion wall joints, floor and pavement joints, curtain walls, panel walls, precast walls, window frames, structural components, dams, spillways, and storm water drains. Substrates include concrete, masonry, aluminum, and wood. Bonds to concrete, masonry, and other materials without a primer. Does not require mixing. Skins overnight and fully cures within a week. Dries smooth and is paintable. Meets federal specifications TT-S-00230C, Type II, Class A; ASTM-C-920, Type S, Grade NS, Class 25 - use NT, M, A, G, and I; Corps of Engineers CRD-D-541, Type II, Class A; and ISO 11600-F-25LM. USDA approved for use in meat and poultry areas. Canadian approval for use in establishments that handle food. SWRI validated. Joint movement capability +/- 35%. 10.1 oz tube. No. NP1ALGRY12: Size: 10.1 oz, Color: Gr

## Features

- Causes damage to organs through prolonged or repeated exposure.
- Causes serious eye irritation.
- Harmful if inhaled.
- May cause allergy or asthma symptoms or breathing difficulties if inhaled.
- May cause an allergic skin reaction.
- Suspected of causing cancer.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B008XKVHF6 |
| Best Sellers Rank | 1,152,338 in DIY & Tools ( See Top 100 in DIY & Tools ) 8,037 in Sealers |
| Brand | MasterSeal |
| Colour | White |
| Country Of Origin | USA |
| Full Cure Time | 7 Days |
| Initial Hardening Time | 24 Hours |
| Item Form | Paste |
| Item Weight | 10.1 Ounces |
| Liquid Volume | 10 Fluid Ounces |
| Manufacturer | SONNEBORN |
| Material | Polyurethane |
| Surface Recommendation | Floor,Wall,Walls,Window |
| UPC | 080492301441 |
| Unit Count | 298.69235 millilitre |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** MasterSeal
- **Colour:** White
- **Full cure time:** 7 Days
- **Item weight:** 10.1 Ounces
- **Liquid volume:** 10 Fluid Ounces

## Images

![Elastomeric Polyurethane Sealant, NP1, White, 10.1-oz. -NP1WHT12 - Image 1](https://m.media-amazon.com/images/I/61m895NG1cL.jpg)

## Frequently Bought Together

- 10.1 oz. Cartridge White Polyurethane Caulk
- BASF Sealant NP1 Polyurethane Limestone 10.1 Ounce - 3 Pack
- Sonolastic NP1 Polyurethane Sealant

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**Shop now:** [https://www.desertcart.es/products/413463000-elastomeric-polyurethane-sealant-np1-white-10-1-oz-np1wht12](https://www.desertcart.es/products/413463000-elastomeric-polyurethane-sealant-np1-white-10-1-oz-np1wht12)

---

*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-05-20*