---
product_id: 299883510
title: "Dap 18810 Polyurethane Door Window and Siding Sealant, 10.1-Ounce, White"
brand: "dap"
price: "$143"
currency: NZD
in_stock: false
reviews_count: 5
category: "Dap"
url: https://www.desertcart.nz/products/299883510-dap-18810-polyurethane-door-window-and-siding-sealant-10-1
store_origin: NZ
region: New Zealand
---

# Waterproof above/below waterline 70% joint flexibility ASTM C920 certified durability Dap 18810 Polyurethane Door Window and Siding Sealant, 10.1-Ounce, White

**Brand:** dap
**Price:** $143
**Availability:** ❌ Out of Stock

## Summary

> 🔧 Seal smart, stay flexible — the pro’s choice for lasting protection!

## Quick Answers

- **What is this?** Dap 18810 Polyurethane Door Window and Siding Sealant, 10.1-Ounce, White by dap
- **How much does it cost?** $143 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/299883510-dap-18810-polyurethane-door-window-and-siding-sealant-10-1)

## Best For

- dap enthusiasts

## Why This Product

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

## Key Features

- • **Made in the USA:** Trusted quality and reliability from a domestic manufacturer
- • **Paintable Finish:** Seamlessly blends with your design for a polished look
- • **Unmatched Flexibility:** Withstands up to 70% joint movement for lasting performance
- • **All-Weather Waterproofing:** Seals gaps above and below waterline without fail
- • **Commercial-Grade Strength:** Exceptional cut and tear resistance for heavy-duty use

## Overview

DAP 18810 is a premium polyurethane sealant designed for professional-grade exterior sealing. It offers superior adhesion, remains permanently flexible to accommodate up to 70% joint movement, and is waterproof for use above or below waterline. Certified to ASTM C920 standards, it resists cuts and tears, supports foot and vehicle traffic, and is paintable for a clean finish. Proudly made in the USA, it’s the go-to sealant for durable, long-lasting protection on doors, windows, siding, and more.

## Description

DAP Premium Polyurethane Construction Adhesive Sealant is a one-part, moisture curing, non-sag, elastomeric commercial-grade sealant. It is specifically formulated to provide a long lasting, durable seal when filling exterior gaps, joints and cracks. This high performance sealant offers superior adhesion to most substrates and remains flexible to withstand up to 70% total joint movement when installed into a properly prepared joint. Can be applied above or below the waterline. Exceptional cut and tear resistance. Handles foot and vehicle traffic. Paintable. Meets or exceeds ASTM C920, Type S, Grade NS, Class 35

Review: I couldn't use the product because it was dry. It has good quality but be sure seller doesn’t send you old product. Otherwise, like me, you will throw it away without using it.
Review: وصلني المنتج فاسد السليكون متجمد تم اكتشاف ذالك بعد انتهاء فترة الإرجاع حين قمت بإستخدامه

## Features

- Adhesives & Sealants
- Country of manufacture: United States
- Manufacturer: Dap
- Permanently flexible

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0006B683Q |
| Brand | DAP |
| Colour | White |
| Country of Origin | USA |
| Department | Unisex-Adult |
| Generic Name | Polyurethane Sealant |
| Global Trade Identification Number | 00070798188105 |
| Included Components | 1 Tube |
| Item Dimensions LxWxH | 5.1 x 5.1 x 31.1 Centimeters |
| Item Form | Liquid |
| Item Weight | 416 g |
| Item dimensions L x W x H | 5.1 x 5.1 x 31.1 Centimeters |
| Item model number | 7079818810 |
| Manufacturer | DAP |
| Material | Fibreglass, Glass, Wood |
| Net Quantity | 10.1 Ounce |
| Number of Items | 1 |
| Product Dimensions | 5.08 x 5.08 x 31.12 cm; 415.94 g |
| Style | Compact |
| Surface Recommendation | Door, Fiberglass, Glass, Plastic, Window, Wood |
| UPC | 070798188105 |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** DAP
- **Item Weight:** 0.92 Pounds
- **Item dimensions L x W x H:** 5.1 x 5.1 x 31.1 Centimeters
- **Material:** Fibreglass, Glass, Wood
- **Style:** Compact

## Images

![Dap 18810 Polyurethane Door Window and Siding Sealant, 10.1-Ounce, White - Image 1](https://m.media-amazon.com/images/I/31dsJZOMtQL.jpg)
![Dap 18810 Polyurethane Door Window and Siding Sealant, 10.1-Ounce, White - Image 2](https://m.media-amazon.com/images/I/51Fp8YfexXL.jpg)
![Dap 18810 Polyurethane Door Window and Siding Sealant, 10.1-Ounce, White - Image 3](https://m.media-amazon.com/images/I/51c8KkSHY8L.jpg)
![Dap 18810 Polyurethane Door Window and Siding Sealant, 10.1-Ounce, White - Image 4](https://m.media-amazon.com/images/I/51jPSIm3vPL.jpg)
![Dap 18810 Polyurethane Door Window and Siding Sealant, 10.1-Ounce, White - Image 5](https://m.media-amazon.com/images/I/51sg25FPmBL.jpg)

## Customer Reviews

### ⭐ Review
*by T***L on 12 December 2024*

I couldn't use the product because it was dry. It has good quality but be sure seller doesn’t send you old product. Otherwise, like me, you will throw it away without using it.

### ⭐ Review
*by M***R on 18 December 2024*

وصلني المنتج فاسد السليكون متجمد تم اكتشاف ذالك بعد انتهاء فترة الإرجاع حين قمت بإستخدامه

### ⭐ Review
*by D***O on 14 November 2024*

product wa already dried up.

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**Shop now:** [https://www.desertcart.nz/products/299883510-dap-18810-polyurethane-door-window-and-siding-sealant-10-1](https://www.desertcart.nz/products/299883510-dap-18810-polyurethane-door-window-and-siding-sealant-10-1)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-10*