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Castable Refractory Insul Cast dry mix refractory castable cement in a bag castable refractory product
OVENZZ LW CAST
Our Price: $147.00
MIZZOU CASTABLE PLUS
Our Price: $140.00
OVENZZ™ LW CAST is a lightweight, insulating castable refractory with extraordinary strength and excellent insulating properties.

It is suitable for casting shapes, pouring in place and filling large cracks and holes. It can be used as an insulating backup over a dome or under the hearth in a pizza oven. OVENZZ LW CAST provides more a thermal-efficient solution than denser products. It is capable of service temperatures up to 2,500 degrees F. HWI OVENZZ products are certified by NSF International and maintain NSF/ANSI Standard 51 for use as a food equipment material and in food applications. Available in 55 lb. bags. You'll need 73 lbs. of product per cu.ft. Mix 1.6 gallons of water per bag. Orders limited to 3 bags. NOTE: Package colors depicted on this site may differ from what is delivered. FREE shipping for all orders within the contiguous US.

Insul Cast Delta Crete is an Insulating Refractory Castable.

Insul Cast is an insulating castable refractory suitable for use as a backup to firebrick or other types of solid masonry, such as pizza oven domes. 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.

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. (You'll need 30 lbs. of product per cu. ft.) Remember, shipping is FREE for all orders (contiguous US only). Available options: 1 bag, 6 bags, 10 bags and full pallet of 40 bags.

MIZZOU CASTABLE PLUS from HarbisonWalker International is a well-established 60 percent alumina conventional dense castable refractory rated 3,000 degrees F that offers consistent strength and reliability.

Mizzou is installer friendly and suitable for blacksmithing, forging and many other applications including in incinerators, boilers, burner blocks, aluminum furnace upper sidewalls and roofs, among others. MIZZOU CASTABLE PLUS can be dried out at 100 degrees F / hour after a 24 hour cure. You'll need 140 lbs. of product per cu. ft. Mix about 0.6 gallons of water per 55 lb. of product. Call for pricing and delivery information for larger orders. Available in 55 lb. bags. Shipping is FREE on all orders (contiguous US). Available in a single bag, 6 bags, 10 bags and in a full pallet of 72 bags. NOTE: Package image may differ from what is delivered. Sometimes comes in a red and white bag.
Castable refractory Castable Refractory castable refractory
KAST-O-LITE 26 LI
Our Price: $139.00
OVENZZ CAST
Our Price: $135.00
MC-25 PLUS
Our Price: $125.00
KAST-O-LITE 26 LI is a low-iron insulating castable that can meet the demands of severe furnace environments.

Its high alumina content improves maximum service temperature and It's low-iron content minimizes destructive CO disintegration by reducing furnace atmospheres. This product's high strength reduces cracking from mechanical abuse or steel shell flexing. It can be used as a backup for furnace floors and roofs; in boilers, air and oil heaters; in furnace stacks and flues; and as an insulating backer over the dome or under the hearth of a pizza oven. It offers a maximum service temperature of 2,600 degrees F. Available in 55 lb bags. Mix approximately 1.3 gallons of water per 55 lb bag. About 86 lb of product is needed per cu. ft. NOTE: Package image may differ from what is delivered. Shipping is FREE for all orders within the contiguous US.
OVENZZ CAST is a fireclay based, cement-bonded, dense, food-grade refractory castable.

It is suitable for casting shapes, pouring in place and filling large cracks and holes. It can be used to cast shapes for a pizza oven dome, fireplace inner hearth floor or walls in a pizza oven. OVENZZ CAST is capable of service to temperatures up to 2,550 degrees F. HarbisonWalker International's OVENZZ products are certified by NSF International and maintain NSF/ANSI Standard 51 for use as a food equipment material and in food applications. You'll need 122 lb. of product per cu.ft. Available in 55 lb. bags. Mix 0.9 gallons of water per bag when casting by hand. Orders limited to 3 bags. NOTE: Package colors on this site may differ from what is delivered. FREE shipping within the contiguous US.
MC-25 PLUS is a course aggregate, high-strength conventional castable, with maximum temperature of 2550 degrees.

It offers excellent resistance to thermal shock, and can withstand heavy loads. It contains course-grain technology to resist mechanical abuse. MC-25 PLUS can be used to cast shapes in a pizza oven dome, fireplace inner hearth or walls. You'll need 125 lbs. of product per cu. ft. Mix 0.7 gallons of water per 55 lb. bag for vibration casting, and 0.8 lbs. or water for hand casting. Available options: 1 bag, 6 bags, 10 bags, and full pallet of 72 bags. Shipping is FREE (within the contiguous US). NOTE: Package delivered may differ from what is depicted on this site.
castable refractory Heatcast 40 refractory Castable dry mix in a bag 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.
KS-4V PLUS
Our Price: $120.00
KS-4V PLUS is a dense general-purpose fireclay castable refractory product rated to 2,600 degrees F.

Use to cast a dome, or inner hearth in a pizza oven. Can also be used to cast a hearth for a furnace. It offers good strength and excellent work-ability. It can be dried out at 100 degree F / hour after a 24-hour cure. Manufactured by HarbisonWalker International, some applications for KS-4V PLUS include crematories, boilers, aluminum furnace sub-hearths, multi-hearth furnaces, and incinerators. It can also be used to cast shapes for an oven, fireplace inner hearth or walls. Available in 55 lb. bags. Approximately 125 lbs. of product will be needed per cu.ft. Mix about 0.8 gallons of water per 55 lb. bag. Call for more information. Available options: 1 bag, 6 bags, 10 bags and full pallet of 72 bags. Shipping is FREE (contiguous US). NOTE: Package image may differ from what is delivered.

Heat Cast 40 Refractory Castable.
Use to cast a dome, inner hearth in a pizza oven.

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 (or 120 lbs. per cu.ft.).

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). Available options: 1 bag, 6 bags, 10 bags and full pallet of 64 bags.

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 superior 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. Available in 5- and 20-lb. pails. And remember, shipping is FREE for all orders (contiguous US only).