Tec 3N1 Lightweight Mortar combines three mortars in one product – latex modified, medium bed, and non-sag. 3N1 Mortar is specially designed for wall applications of large format tile and heavy stone. As a medium bed, 3N1’s non-slump performance is excellent for heavy tile and stone floor installations. 3N1 provides 50 lb coverage in a 30 lb bag while offering excellent bond performance, exceeding ANSI A118.4 and ANSI A118.11 shear bond specifications. The advanced formulation includes "Easy Trowel Technology" for a smooth, creamy consistency, and extended open time, offering efficiencies in tile installation. Tec 3N1 contains a minimum 10% recycled content, contributing to LEED certification.
|Net Weight (lbs.)||30.00|
|Warranty||Limited Product Warranty|
Answer: This is not the product to use in this instance because of high heat area and also adhesion to the glossy painted surface. You may need to remove the glossed paint and use a product specific to fireplace installations. I would suggest calling the Tec, Technical Support For product-related questions 800-832-9023 Mon-Fri 7 a.m. - 5 p.m. CST