Firebox Height Extension Kits

Firebox opening height extension kits are available for Stone Age Patio, Contractor, Standard and New Age™ series fireplaces. These kits create a taller firebox opening and larger viewing area, increasing the height of the Patio, Contractor and Standard kits by 11.5 ” , and the New Age™ kits by 14”  per kit, creating a Rumford-style opening. Firebrick sold separately.

Standard, Contractor & Patio Models

See-Thru Models

New Age™ Models

Standard 36” Fireplaces with and without Extension Kit

Firebox Height Extension Kits

New Age™ Fireplaces with and without Extension Kit

Scroll to Top

Stone Age Manufacturing, Inc. provides proprietary information on this page, including, but not limited to, installation instructions, technical drawings, and 3D models, to be used solely in connection with marketing, purchasing, specifying, or installing our products. This information may not be copied, redistributed, or used for any other purpose, without the express written permission of Stone Age Manufacturing, Inc.
By entering this page, you agree to use these materials for the above authorized purposes only.