# Lanco Aqua-Proof Prep 1 Gal. Waterproofing and Crack Prevention Membrane

**Brand:** [Lanco](https://shop.coreranger.com/brands/Lanco)
**SKU:** MD859-4
**Price:** $44.98 · in stock
**URL:** https://shop.coreranger.com/product/lanco-aqua-proof-prep-1-gal-waterproofing-and-crack-prevention-membrane-308682266

## Specifications

| Spec | Value |
|---|---|
| Model # | MD859-4 |
| Features | Algae Resistant,Mildew Resistant,Paintable,Quick Dry,Water Resistant,Waterproof |
| Internet # | 308682266 |
| Returnable | 90-Day |
| Store SKU # | 1004743688 |
| Coating Base | Solvent |
| Cold Applied | Cold Applied |
| Color Family | Light Blue |
| Color/Finish | Light Blue |
| Container Size | 1 Gallon |
| Roof Repair Type | Roof Patch |
| Application Method | Brush On,Roll On,Spray On,Trowel |
| Roofing Product Type | Sealant |
| Manufacturer Warranty | NONE |

## Description

Aqua-Proof Prep is a rubberized liquid membrane designed to patch and waterproof many types of surfaces. Its multi-use nature makes it well-suited for a wide variety of applications where a waterproofing solution is needed. Some solutions include repairing cracks and leaks, sealing joints and flashings, waterproofing under tile and stone, and waterproofing a shower pan liner. This monolithic flexible membrane provides excellent performance when used as a base coat over existing surfaces. It also performs extremely well when continuously immersed in water and can be applied on horizontal or vertical surfaces. May be used for interior and exterior residential or commercial applications. It applies and dries light blue.

• Ideal for shower pan liners
• 100% waterproof under tile and stone
• Suitable for commercial/residential, mobile home and RV roofs