---
type: faq
title: "Which mounting substrate should I choose for outdoor use?"
description: "For anything facing the weather, skip foam core. It warps in humidity and sun. Step up to a rigid, moisture-resistant substrate. Substrate Outdoor suitabil"
resource: https://www.4over4.com/faqs/general/which-mounting-substrate-should-i-choose-for-outdoor-use
tags: ["Marketing Materials", "faq"]
timestamp: 2026-07-20T18:54:40.856Z
---

# Which mounting substrate should I choose for outdoor use?

For anything facing the weather, skip foam core. It warps in humidity and sun. Step up to a rigid, moisture-resistant substrate. Substrate Outdoor suitabil

Part of the **Marketing Materials** hub. See [all faq concepts](index.md).

- Page type: faq
- Hub: Marketing Materials
- URL: https://www.4over4.com/faqs/general/which-mounting-substrate-should-i-choose-for-outdoor-use