---
title: "KD Frame Installation – GC Supplied"
description: "Step-by-step installation diagram for knocked-down (KD) hollow metal door frames."
url: https://gcsupplied.com/kd-frame-installation/
---

# KD Frame Installation

![Knocked-down hollow metal frame installation steps](https://gcsupplied.com/_astro/inst.b-djyfBH.webp)

## Contact GC Supplied

- Phone: [800-442-8250](tel:+18004428250)
- Fax: 909-202-4569
- Email: [service@gcsupplied.com](mailto:service@gcsupplied.com)
- Office hours: Monday–Friday, 7:30am–4:30pm
- Contact page: https://gcsupplied.com/contact/
- Address: 10370 Regis Court, Rancho Cucamonga, CA 91730