The Hearth Floor Reduced Clearance Insulation Kit provides additional materials and insulation that can be added to the existing insulation and floor components when the existing hearth floor is less than 4” and greater than 2 ½”. It is UL Listed Zero-inch clearance to combustibles with 2 ½” masonry floor.

All additional components are trapezoidal with the same dimensions as the existing ceramic paper insulation pieces included with the PriorFire Retrofit Fireplace System. The components in this kit are added to the existing floor insulation pieces. They include:

• 1- 20ga 304 stainless steel, added directly underneath the floor brick
• 2- pieces of 3/8” ceramic paper, added directly underneath the 20ga stainless steel
• 1- piece of 1/4" ceramic paper, added directly under the air cassette bottom piece