Del-Val 120 Fibered Emulsion Coating in 5 Gallon Bucket
Prep Single-Ply for Coating


Etching Primer

Fast-Drying  & Provides Strong Adhesion to Weathered & UnWeathered Surfaces


AP-1500 Etching Primer is a solvent-based primer designed to maximize adhesion to surfaces that can be difficult to adhere to, such as TPO, PVC, Hypalon, Metal and a variety of other substrates. Armour Proof AP-1500 Etching Primer is a fast-drying primer that provides strong adhesion on weathered and un-weathered surfaces. AP-1500 is intended for use over a cleaned roof surface; contaminants such as dirt and debris prevent proper adhesion. AP-1500 is intended to be used in conjunction with an approved Armour Proof Coating product.

maximize adhesion to surfaces that can be difficult to adhere to, such as TPO, PVC & Hypalon.

Where to Use AP-1500 Etching Primer

Quick Application Guide

Application Temps


Store Between 40 – 80°F

Must Top Coat Within


To Ensure Proper Adhesion

Average Coverage Rate

1/3 GAL

Per Square


Apply AP-1500 Etching Primer until roof appears to be a consistent charcoal color. Apply primer with small airless sprayer or a medium nap roller. Over-application or use of multiple coats can reduce adhesion performance. AP-1500 should be top coated within 7 days.

Coverage Rate

Apply at a rate of 330 square feet per gallon (0.33 gallons per square). Additional material may be required for porous substrates.

Preparation of Substrate

Surface must be pressure washed clean, free of all loose particles, dirt debris and other contaminants that could inhibit adhesion. Refer to the Armour Proof Coatings Specification for detailed instructions on how to prepare the specific substrate.

Limitations and Precautions

AP-1500 should not be applied when it is raining or when the threat of rain is imminent. AP-1500 should be applied in only one coat. This product contains flammable solvents and is intended for use by professional contractors only. Adhesion tests should always be performed to ensure suitability of use.

Storage & Shelf Life

AP-1500 is a solvent-based primer. Do not apply when ambient air and substrate temperatures fall below 35°F or when inclement weather is forecasted. AP-1500 should be stored between 40°F and 80°F. Shelf life in unopened containers is one year from the manufacture date.


This product will perform as claimed if directions are followed. Armour Proof Coatings cannot control conditions of application and substrate, or methods used. This warranty is limited to replacement of the defective material used, and does not include labor or labor costs.

Use as Part of a System with these products:

AP-5100 Moisture Cure Polyurethane Roof Coating 2024 Rebrand in 5 Gallon Pail


Moisture Cure Polyurethane

AP-6100 Modified Liquid Rubber Roof Coating 2024 Rebrand in 5 Gallon Pail


Modified Liquid Rubber

Product Information

Sizes Available

5 Gallon Capacity Bucket

Tools Needed

Roller Tool Graphic
Spray Tool Graphic


Available From These Distributors

Click a logo to find a location close to you.

ABC Supply Co Distributor Logo
Beacon Roofing Supply Distributor Logo
J & L Building Materials Inc. Distributor Logo
New Castle Building Products Distributor Logo
Image of SRS Distribution's Logo
Universal Supply Co Distributor Logo
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