---
title: HydraShell™ Supreme Installation
description: "**Step 1**: Lay out horizontally on the eave, printed side up, with 3” horizontal laps and 6” vertical laps. **Step 2**: Fasten with 1” diameter plastic cap roofing nails or staples, according to pre-printed nail pattern. [Hydrashell50](https://www.youtube.com/embed/BlTFHSLhLfA?feature=oembed)"
url: "https://marcoindustries.com/installation-questions/hydrashell-supreme-installation/"
updated: "2023-10-05"
category: Underlayment
---

# HydraShell™ Supreme Installation

**Step 1**: Lay out horizontally on the eave, printed side up, with 3” horizontal laps and 6” vertical laps.

**Step 2**: Fasten with 1” diameter plastic cap roofing nails or staples, according to pre-printed nail pattern.

[Hydrashell50](https://www.youtube.com/embed/BlTFHSLhLfA?feature=oembed)