Rectangular Shaped Convex Mirror for Indoor Use


Roundtangular or rectangular convex mirror are great to use when the mirror needs to be mounted at ceiling height or where you have lower-hanging ceilings. The rectangular mirror shape allows for the 160-degree view, common with convex mirrors, while offering a low profile top and bottom for mounting in areas where a circular top will not fit. The backing is hardboard and intended for indoor use only.

Made in the USA Mirrors

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SKU: SRTABS-HB Category:

There are two prominent reasons why a rectangular or rectangular convex mirror is used:

  1. When mounted close to a lower ceiling.  The straight edge of this convex mirror allows you to mount this roundtangular mirror closer to the ceiling.
  2.  When you want a more comprehensive angle view than a traditional dome or convex mirror.

The mirrors below are available with hardboard backing. Not recommended for outdoor use, it’s a lower-cost alternative for indoor usage. The primary purpose of the backing is to provide a location for the mounting brackets to mount to and to protect the mirror lens. If you want a rectangular mirror for outdoor use, please visit the Outdoor Rated Rountangular Convex Morror, available with heavy-duty plastic (HDPE) and steel backing (20-gauge).

For sizing, the rule of thumb is for every inch in the mirror; you will see one foot in distnace.



Lens Type


Rectangular Mirror Size

12×18, 18×26, 20×30, 24×36

Available Options

RTH-12x18$100.00Rountangular Indoor 12 inch x 18 inch Acrylic Mirror with Hardboard Backing
RTH-18x26$146.00Rountangular Indoor 18 inch x 26 inch Acrylic Mirror with Hardboard Backing
RTH-20x30$183.00Rountangular Indoor 20 inch x 30 inch Acrylic Mirror with Hardboard Backing
RTH-24x36$242.00Rountangular Indoor 24 inch x 36 inch Acrylic Mirror with Hardboard Backing