Modular Framing Systems
July 8, 2025FAQDeep Dive Concepts

How do I know how tall the frame needs to be for my coil and drain pan?

There are numerous factors that go into properly designing the correct fit between your box and coil. The notes below are for general reference use only and serve only as

July 8, 2025FAQPanels

How do I size panels and account for the appropriate clearances?

** The standard production tolerance on panels is +/- 1/16in. For fixed panels, most customers allow for a 1/16in reduction in size from the panel opening. When considering production tolerances

July 8, 2025FAQFrame

How do I calculate my cut lengths for the different framing systems?

Calculating the cut length on extrusions is most commonly done by deducting the exposed portion of the corner joints from the overall desired outside dimensions or you box. For example:

July 8, 2025FAQFrame

How do I create internal walls, blank-offs or shelves?

Our framing systems are designed with flange and bolt track features that make it easy to create and secure internal components, and intermediate supports can be strategically placed on the

July 8, 2025FAQHardware

What if my unit needs a base frame?

Modular Framing Systems sell a 4 inch by 2 inch aluminum C-Channel (Part# PB150) that is 3/16 inch thick along with a base square so the base frame can be

July 8, 2025FAQGasket

Techniques for Skinning a Unit

Applying sheet metal skin to a unit is more of a proprietary art that depends on the skills set of your team and capabilities of the equipment in your facility.

July 8, 2025FAQPanels

Installing Panels in Stopper Systems

Our Stopper Systems allow you to install panels without the use of fasteners. Conceptual images are below. 130-25 Stopper System 150-45 Stopper System 150-45 Thermal Break Stopper System What gasket

July 8, 2025FAQHardware

Once my frame is assembled, how do I enclose the frame?

There are two primary methods of enclosing the frame. You can use pre-fabricated panels or go with a skinning method if you have sheet metal processing equipment. Attaching Panels to

July 8, 2025FAQFrame

How do I configure the intermediate supports for my framing layout?

The configuration of your frame is totally up to you and your team. The main considerations for placing intermediate supports are based on framing out access and door openings, framing

July 8, 2025FAQFasteners

What fasteners do I use to attach framing pieces together?

Most of our perimeter frames do not require fasteners for assembly; they are designed with an interference fit similar to the concept of Legos. For systems designed with a slip

July 8, 2025FAQFrame

How do I assemble a basic frame?

You’ve selected the framing system now… What tools do I need to assemble MFS systems? You can get started with basic tools. Chances are that you already have everything on-hand:

July 8, 2025FAQBasic Concepts

How do I select the right framing system for my project?

Modular framing has over 20 different designs of framing systems, but there are a few preliminary considerations that filter options very quickly. Our sales staff will always start off with

July 8, 2025Flexible ConnectionsFAQ

Modular Framing Systems Basics – The Who, What, When, & Why?

Modular Framing Systems is a distributor of aluminum framing components, dampers, louvers, flexible connections, panels, and accessories primarily for the manufacture of HVACR units. Our products were originally designed by