Mat Recess Frame

The Mat Recess Frame is the structural edge of a recessed entrance — the aluminum perimeter that finishes the well and gives a grate system or mat insert a clean, anchored border to seat against. It isn't matting; it's the housing that makes a recessed installation look finished and stay put, turning a rough or new-construction recess into a proper, square well with a defined edge profile flush to the surrounding floor.

It's fabricated from extruded 6063 aluminum alloy and cut to the exact dimensions of the well. The frame ships with mitered corners, anchor keys, and corner pins for straightforward on-site assembly — squared up, anchored into the recess, and ready to receive the matting or grate that drops in. The aluminum holds its profile under traffic and against the wheeled loads that cross a commercial threshold, so the edge stays true over the life of the installation.

You need the frame when the recess is being built or renovated — new construction, a remodel, or any well that doesn't already have a finished edge to seat matting against. It's specified alongside the grate or insert selection so the well, edge profile, and matting all match. If an existing recess already has a sound frame in place, you don't need a new one; the frame is for wells being created or rebuilt, not for replacing matting in a well that's already framed.

Because it's cut to the actual well dimensions, the Mat Recess Frame handles standard and non-standard recesses alike — square openings, long runs, and the odd geometry catalog sizes don't fit. Within the recessed grate systems range it's the structural partner to the matting rather than a product you choose on its own: spec the grate or insert, then spec the frame to receive it. Send the well dimensions and the matting it has to hold and we'll fabricate the frame to suit.

Frequently Asked Questions

What is the Mat Recess Frame, and when do I actually need one?

Answered by Dustin Thompson, Owner & CEO

It's the aluminum perimeter frame that finishes a recessed entrance well and gives the matting or grate a square, anchored edge to seat against — it isn't matting itself. You need it when the recess is being built or renovated and doesn't yet have a sound, finished edge. New construction and remodels call for it; an existing well that already has a good frame doesn't. It's specified alongside the grate or insert so the well and matting match.

How does it install, and how is it sized?

Answered by Dustin Thompson, Owner & CEO

It's fabricated from extruded 6063 aluminum to the exact dimensions of your well and ships with mitered corners, anchor keys, and corner pins for on-site assembly — squared up, anchored into the recess, and ready to receive the matting. Because it's cut to your measurements, it handles standard and non-standard well shapes. Send the well's length, width, and depth, plus the grate or insert it has to hold, and we'll fabricate the frame to fit.

How does the frame edge look against the surrounding floor — tile, stone, or carpet?

Answered by Jinna Hopson, Vice President of Marketing

That's exactly what the frame is there to get right. A clean aluminum edge sits flush with the surrounding finish so the recessed mat reads as part of the floor rather than a hole cut into it — the defined border is what separates a finished-looking threshold from one that looks unfinished at the edges. The profile is specified to match the floor course it meets, whether that's a tile edge, a stone surround, or a carpet transition.

Can the frame be finished or sized to match our space?

Answered by Jinna Hopson, Vice President of Marketing

Yes. It's cut to your exact well dimensions, so it suits non-standard openings and architectural geometry, not just catalog sizes. The aluminum can be specified in finishes that coordinate with the surrounding floor and the grate or insert it frames, so the whole recessed installation reads as one intentional detail rather than mismatched parts. Send the dimensions and the surrounding floor finish and we'll match the frame to the space.

By Dustin Thompson, Owner & CEO, Mats Inc.