Loose soil and gravel settle when compacted. Here's how to account for settlement and compaction in your order, and why it prevents low spots and later damage.
Members only
The rest of the article is locked
Create a free user to unlock all articles, calculators, templates and product range — and gain access to quizzes and classes. It takes under a minute, and no email is required.
New to the trade? Read why you should become a technical insulator — free and without an account.