About this app
The Ontario Stone, Sand & Gravel Material Reference App provides aggregate specifications for granular base and subbase, concrete, hot mix aggregates and other aggregates. The app also provides information on sampling aggregates, conducting a sieve analysis of aggregates, definitions and a glossary of terms is provided. The app features a conversion calculator, a conical stockpile calculator as well as a number of other reference documents. The app also features a geographic listing of OSSGA member companies including the products they provide.
Latest release
What’s New
Maintenance update, bug fixes, and optimizations
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 20, 2026 · 10:49 PM $6.99
Screenshots
