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Made by the company that manufacturers Heat Stop, Insul Stick is a medium-weight castable refractory dry mix designed for smooth parging over firebrick in fireplace smoke chambers. It comes in a 5 or 20 lb pail.
INSUL STICK Castable Refractory - Dry Mix
Our Price: $45.00

Insul Stick Castable Refractory Dry Mix

Made by the company that manufacturers Heat Stop, Insul Stick is a medium-weight castable refractory mix designed for use in a wide variety of interior and exterior masonry applications. Insul Stick’s popularity in the masonry business is due mostly to its versatility—once mixed with clean water, it can be troweled, cast into special shapes or sprayed, and it’s also ideal for smooth parging over firebrick in fireplace smoke chambers. It provides supperior insulating value and strength. True to its name, this mix will stick to just about any non-slippery surface and resists temperatures of up to 2,200 degrees Fahrenheit. You will need approximately 2.5 lbs. of product per square foot when applied 1/2" thick.

Insul Stick’s most common application is as a firebrick and clay repair dry mix. It meets and exceeds ASTM E-136 and ASTM C-199 standards for sealing cracks and holes in walls, making it an ideal choice for masonry restoration. With 5- and 20-lb. pails available and special pricing direct from the manufacturer, MyBuildingSupplyStore.com has the perfect strengthening solution for your next masonry construction project. Contact us for more information about what Insul Stick can do! And remember, shipping is FREE for all orders (contiguous US only).

Heatcast 40 refractory Castable dry mix in a bag
HEATCAST 40 Refractory Castable - Dry Mix
Our Price: $75.00

Heatcast 40 Refractory Castable

Use to cast a dome, hearth in a pizza oven

NEW LOWER PRICE! Designed for use in very high-temperature environments, Heatcast 40 is Heat Stop’s heavy-duty castable that’s easy to mix and fire and heat resistant to temperatures of up to 2,500 degrees Fahrenheit. This is an ideal castable for special shapes and complete sections in bread and pizza ovens, crematories, flues, incinerators, masonry heaters, boilers, fireplaces, furnaces, kilns and wood stoves. (Use it to create your pizza oven dome and hearth, for example.) Simply mix Heatcast 40 with clean water and trowel or cast the mixture into place for a durable, customized finish that will keep your projects strong and protected from high heat. You will need approximately 20 lbs. of product per square foot when applied 2" thick.

Heatcast 40 meets and exceeds A.S.T.M. C-401 Class B code requirements for structural strength and safety. We ship this product in a 40-lb. bag for your convenience. MyBuildingSupplyStore.com offers this and all other Heat Stop refractory products at manufacturer direct prices to ensure your projects stay within budget. Contact us today with questions about necessary quantities or appropriate use! Remember, shipping is FREE for all orders (contiguous US only). Consider adding our masonry color or tools to your order.

Insul Cast dry mix refractory castable cement in a bag
INSUL CAST Delta Crete refractory castable - Dry Mix
Our Price: $78.00

Insul Cast Delta Crete Refractory Castable

Dry mix insulation suitable for fireplaces and pizza ovens

NEW LOWER PRICE! Insul Cast Delta Crete is an insulating refractory castable suitable for use as a backup to firebrick or other types of solid masonry. Resistant to temperatures up to 2,000 degrees Fahrenheit, this conventional dry mix castable for high temperature masonry insulation is ideal for pizza or bake ovens, crematories, flues, incinerators, masonry heaters, boilers, fireplaces, furnaces, kilns and woodstoves. For pizza ovens, trowel it over the dome or under the hearth for added insulation.

Insul Cast is manufactured by the company that makes Heat Stop, the industry standard for refractory supplies. This castable insulation is non-water soluble and meets and exceeds A.S.T.M. C-401 requirements for structural strength and safety. Insul Cast ships in a 50-lb. bag and requires no additives for use, just clean water. A 50 lb. bag covers approximately 6 square feet when applied 2" thick.

MyBuildingSupplyStore.com offers this and all other Heat Stop products at manufacturer-direct prices to save DIYers and contractors money on the next big project. Call us today - we're happy to help you choose the right supplies for your needs! Remember, shipping is FREE for all orders (contiguous US only).