Stone Age Mortar Xtreme Heat — 5-Gallon 60 lb High-Heat Fireplace Mortar (SA-MXTH)
Stone Age Mortar Xtreme Heat — High-Heat Fireplace & Oven Assembly Mortar
Build or finish your Stone Age fireplace, masonry oven, or outdoor fireplace kit with Stone Age Mortar Xtreme Heat. This refractory mortar blend is formulated by Stone Age Manufacturing for assembling and finishing its fireplace, oven, and related masonry systems.
Why choose Mortar Xtreme Heat?
- Made for Stone Age kits: Suitable for the assembly and finishing work specified in Stone Age installation instructions.
- Just add water: A premixed blend designed for straightforward on-site preparation.
- Heat-resistant mortar: Formulated for high-temperature masonry applications.
- Replacement for Ready-Mix: Stone Age confirms this is the direct replacement for the discontinued SA-APRM mortar, with the same number of pails required for each kit.
Product specifications
- Manufacturer: Stone Age Manufacturing
- SKU: SA-MXTH
- Packaging: 5-gallon pail
- Approximate product weight: 60 lb per pail
- Quantity: One pail per unit ordered
Plan your quantities: Common Stone Age kit configurations call for 4–9 pails, depending on the fireplace or oven size. Some chimney configurations require additional mortar. Always check the installation documentation for the exact quantity needed.
Delivery and availability: This heavy masonry material may require a separate freight quote, particularly for multiple pails or orders accompanying a fireplace kit. Delivery charges are not included in the displayed product price; we will confirm freight costs and availability before arranging shipment.
Installation note: Follow Stone Age Manufacturing's current project-specific installation and mixing instructions. Fireplace assembly materials, finishes and local code requirements vary by application.