# TPO Pocket Guide

> Guide to thin-polymer overlay (TPO) systems for concrete bridge deck preservation. (iPhone/iPad app by Applied Research Associates.)

- Source: https://appshunter.io/ios/app/tpo-pocket-guide/id1446495632 (this page in markdown: same URL + `.md`)
- Developer: [Applied Research Associates](https://appshunter.io/developer/327556654)
- Category: Reference
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 12.1 · 41 MB
- Released: 2019-04-19
- Data updated: 2026-06-22
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/tpo-pocket-guide/id1446495632/reviews.md

## What is TPO Pocket Guide?

This app is designed to encourage a better understanding of the use of thin-polymer overlay (TPO) systems for the preservation of concrete bridge decks. A TPO refers to a multi-layer overlay system that includes a polymer resin binder with polish-resistant aggregates broadcasted or seeded into the wet polymer prior to gelling or curing. The aggregate acts to provide friction for the wearing surface. This is typically applied in two layers at a specified coverage rate. A primer or pre-treatment is sometimes used to seal cracks and act as an adhesion promoter for the TPO. The TPO system is typically 3/8 inches in thickness when properly installed. Thickness may vary slightly dependent upon the gradation of broadcast aggregates specified for the project. 

A TPO is designed to:

•	Minimize the intrusion of moisture, de-icing chemicals, carbonation, and other potential sources of the pre-mature degradation of concrete bridge decks. 
•	Provide a protective, durable, skid-resistant wearing course for a concrete bridge deck. 

This app is intended to educate the designer, owner, contractor, and inspectors about TPO installation best practices. By acting with a better understanding of their designed intent, the bridge owner can capitalize on the potential benefits of these overlay systems.

Although some broad guidance is suggested as to bridge deck condition assessment, this subject is not the primary intention of this app. The same holds true with the selection of TPO materials.

## Key features

- Understanding TPO systems
- Benefits for concrete bridge decks
- Installation best practices
- Protection against moisture and chemicals
- Skid-resistant wearing course
- Educational resource for professionals


## Frequently asked questions about TPO Pocket Guide

### What is TPO Pocket Guide?

TPO Pocket Guide is a reference application designed to educate users about thin-polymer overlay (TPO) systems for concrete bridge decks. It covers their purpose, benefits, and installation best practices.

### Who is the target audience for TPO Pocket Guide?

The app is intended for professionals involved in bridge deck preservation, including designers, owners, contractors, and inspectors.

### What are the main benefits of TPO systems as explained in TPO Pocket Guide?

TPO systems, as detailed in the guide, minimize moisture and chemical intrusion into concrete bridge decks and provide a durable, skid-resistant wearing course.

### Does TPO Pocket Guide cover bridge deck condition assessment or material selection?

While the app may offer some broad guidance on bridge deck condition assessment, this is not its primary intention. Similarly, the selection of TPO materials is not the main focus.

### What is the typical thickness of a TPO system mentioned in the guide?

According to the app, a TPO system is typically 3/8 inches in thickness when properly installed, though this may vary slightly based on aggregate gradation.

### What devices is TPO Pocket Guide available on?

TPO Pocket Guide is available on iPhone, iPad, and iPod devices.

### When was TPO Pocket Guide last updated?

TPO Pocket Guide was last updated on April 19, 2019, with its latest version being 1.0.

### Does TPO Pocket Guide have ads?

No, TPO Pocket Guide does not contain advertisements.

## Version history (last 1 release)

### 1.0 — 2019-04-19

No release notes.

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