iPhone Screenshots


Size Gastite® and FlashShield™ flexible gas piping with this convenient and easy-to-use application for the iPhone. This app allows flexible gas pipe installers to determine the appropriate size Gastite pipe recommended for the installation at hand. Based on the project’s gas type, length of tubing run, supply pressure, pressure drop, and flow capacity – the app will calculate the appropriate size Gastite/FlashShield CSST for your application.

Includes a location selector for US and CA 

Scroll wheel automatically adjusts depending on values selected
Find your certification card to link a digital version to your device

View the latest Design and Installation Guide
Search for Gastite and FlashShield products
Contact Page submits questions and requests directly to Gastite

The Gastite and FlashShield flexible gas piping systems are designed and warranted to provide sufficient gas volume and pressure for proper appliance performance using the appropriate sizing tables and methods detailed in the Design and Installation Guide and this Mobile Sizing App.

Accordingly, the design pressure loss on the Gastite and FlashShield piping system under maximum probable flow conditions, from the point of delivery to the inlet connection of the equipment shall be such that the supply pressure at the equipment is greater than the minimum pressure required for proper equipment operation.

Minimum Requirements
- iOS version 8

What’s New

Version 2.7

Use https (secure connection) for notification system.

Ratings and Reviews

5.0 out of 5
5 Ratings

5 Ratings

App Privacy

The developer, Gastite Products LLC, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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