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$Cleanburn 25 lb. Pail of Dry-Mix Refractory Cement, High-Temperature Castable Refractory Mortar for Masonry Repair$

Cleanburn 25 lb. Pail of Dry-Mix Refractory Cement, High-Temperature Castable Refractory Mortar for Masonry Repair

Q: Can it be used to coat ceramic fiber insulation in a foundry? If so, how thick and thin can the layers be applied?..

I used CleanBurn over a ceramic fiber blanket that I used to cover the sheet metal firebox and flue in my outdoor fireplace. I covered the blanket with chicken wire and patted the mortar into it. Then I coated with another thin coat of mortar. It set up really hard in 24 hours. Total thickness 3/4" to 1”. I finally coated the whole box with coloring and some regular mortar. It looks like stucco now... Pretty nice. Inside a foundry you'll need the chicken wire to hold the blanket up and give the Cleanburn something to stick to. - Mikee

Q: What are the drying procedures for this product? Can it be used in a forge?

Hello, For drying time, the cement will set between 9 & 10 hours. Heat can be applied 24 hours after the mix has been set. This product can also be used in forges. Thank you,

Q: Is this suitable and safe for the cooking surface of an outdoor pizza oven?

I used this to repair a chiminea. I would not use it as an actual cooking surface without researching all the materials in it. You could cover the surface with a good quality clay. That would work. Nice product. Easy to work with.

Q: How thick does the cement have to be for the floor of a fire box in a coal fired furnace? The fire box is 24" in diameter. How many pails will I need?

Depends on a couple things like what type of base your pouring it on and if it has insulation or not; example; if the base is a sturdy steel plate, then that will help hold the form better and the less refractory needed.. But if the base is unstable or flexes, then you will need a thicker layer of refractory.. Also the insulation factor is relatively low with this refractory cement, so the thicker the layer the better the insulation.. but one pail should give you a decent layer on a 24” diameter fire box.. and I’d say a 1”+ layer should be okay.

4.1/5

Product ID: 649139999

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Details

Brand
CleanBurn
Specific Uses For Product
Masonry Repair
Material
Refractory
Compatible Material
Brick
Item Form
Powder

🔥Withstands up to 2700°F

🏗️Durable for large crack repairs

🛠️Castable & moldable dry-mix

Description

🔥 Mold your fireproof future with Cleanburn!

READY TO USE DRY MIX - Convenient pail with a medium-high viscosity powder for smooth application.
HEAVY DUTY DURABILITY - Strong enough to fill large cracks and restore structural integrity.
EXTREME HEAT RESISTANCE - Handles scorching temps up to 2700°F—built for fireproofing your projects.
VERSATILE CASTABLE FORMULA - Easily mold and shape for custom repairs or creative masonry designs.
PERFECT FOR HIGH HEAT MASONRY - Ideal for fireplaces, outdoor ovens, fire pits, and refractory brick repairs.

Cleanburn 25 lb. Dry-Mix Refractory Cement is a high-temperature castable mortar designed for masonry repair. It withstands extreme heat up to 2700°F, offers strong adhesion, and is perfect for fireplaces, outdoor ovens, and firebrick restoration. This durable, moldable dry mix enables precise repairs and custom shapes, making it a must-have for professional-grade refractory projects.

Specifications

Brand	CleanBurn
Specific Uses For Product	Masonry, Repair, High-temperature environments
Material	Refractory Cement
Compatible Material	Brick
Item Form	Powder
Special Feature	Strong
Colour	Gray
Item Package Quantity	1
Package Information	Pail
Item Volume	11829.4 Millilitres
Viscosity	Medium to High
Water Resistance Level	Not Water Resistant
Net Quantity	400.0 gram
UPC	853320006609
Manufacturer	CleanBurn
Country of Origin	USA
Model number	Cleanburn Castable Refractory Cement
Item Weight	11 kg 300 g
Package Dimensions	28 x 27.3 x 27.2 cm; 11.34 kg
Item model number	Cleanburn Castable Refractory Cement
Are batteries included?	No

Have a Question? See What Others Asked

Can it be used to coat ceramic fiber insulation in a foundry? If so, how thick and thin can the layers be applied?..

What are the drying procedures for this product? Can it be used in a forge?

Is this suitable and safe for the cooking surface of an outdoor pizza oven?

How thick does the cement have to be for the floor of a fire box in a coal fired furnace? The fire box is 24" in diameter. How many pails will I need?

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

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Great experience from order to delivery. Highly recommended!

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