Concrete Cements & Mortars
Our comprehensive selection of chimney mortar and fireplace cements are designed to withstand high temperatures and provide exceptional durability for chimney repairs and fireplace construction. Whether you're sealing cracks, building a new chimney, or repairing existing masonry, our range of mortars, cements and concrete ensures long-lasting performance and safety for your fireplace and chimney system. Trust Lindemann Chimney for all your chimney mortar and fireplace cement needs.
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Buff Fireplace Mortar - 10.3 oz Cartridge
$9.75This buff-colored, pre-mixed high-temperature cement is designed for bonding and sealing masonry and metal surfaces exposed to heat up to 2000°F. Ideal for patching cracks in firebrick and mortar, it’s also effective for installing or repairing stoves,...- SKU:
- MC122
- Weight:
- 0.75 LBS
$9.75 -
Gray Fireplace Mortar - 10.3 oz Cartridge
$9.75This gray, ready-to-use high-temperature cement is specially formulated for sealing and bonding masonry and metal surfaces exposed to intense heat—up to 2000°F. Perfect for repairing cracked firebrick or damaged mortar, it's also well-suited for securing...- SKU:
- MC121
- Weight:
- 0.75 LBS
$9.75 -
Black Fireplace Mortar - 10.3 oz Cartridge
$9.75This black pre-mixed, ready-to-use high-temperature cement is a versatile solution for bonding and sealing masonry and metal surfaces exposed to extreme heat—up to 2000°F. Ideal for patching cracks or chips in firebrick and mortar, it’s also effective...- SKU:
- MC120
- Weight:
- 0.75 LBS
$9.75 -
Black Furnace Cement 1 Qt.
$8.59This black furnace cement is designed to withstand temperatures over 2,000°F, making it perfect for metal-to-metal applications. It creates smoke- and gas-tight seals for stoves, grills, ranges, furnaces, and other high-heat surfaces, ensuring reliable...- SKU:
- 742004
- Weight:
- 5.00 LBS
$8.59 -
Refractory Mortar -Dry Mix- 10 LBS (A.W. Perkins)
$37.89This dry mix mortar, when mixed with water, is designed for use in fireplace chimneys and outdoor fire pits. It meets NFPA 211 standards, ensuring a durable, heat-resistant bond for your masonry projects. Each 10lb bag is perfect for creating strong,...- SKU:
- 742502
- Weight:
- 11.00 LBS
$37.89 -
Black Furnace Cement Pint
$10.99Seal and secure your high-temperature applications with Black Furnace Cement. Designed for metal-to-metal bonding, this durable cement creates smoke- and gas-tight joints in stoves, grills, furnaces, ranges, and other hot surfaces. Withstanding...- SKU:
- 742005
- Weight:
- 5.00 LBS
$10.99 -
Heat Stop Refractory Mortar
$51.13 - $142.98Heat Stop (premixed) and Heat Stop II (dry mix) are refractory mortars developed for installation of firebrick in masonry fireplace installations. These also have many other uses such as in chimneys, boilers, furnaces, kilns, etc. Heat Stop...- SKU:
- Heat Stop Refractory Mortar
- Weight:
- 0.00 LBS
$51.13 - $142.98 -
Crown Safe Clear Elastic Sealant
$163.75SUPERIOR ADHESION & FINISHED CLEAR Bonds quickly with surfaces under extreme weather conditions while still preserving it's original look. Why distort the natural appearance of a chimney crown or roof with other products when Crown Safe applies and...- SKU:
- Crown Safe Clear Elastic Sealant
- Weight:
- 0.00 LBS
$163.75 -
ChimneySaver - Advanced Water Repellent, 5 Gallon
$416.42ChimneySaver Advanced Water Repellent is engineered to protect masonry chimneys from water damage and harmful waterborne chemicals. Its innovative polysiloxane formula delivers superior performance, rivaling that of solvent-based products. This advanced...- SKU:
- 750863
- Weight:
- 60.00 LBS
$416.42 -
Chamber Safe Parging Tool
$115.50The Chamber Safe Parging Tool is the perfect addition to any professional chimney technician's arsenal! This tool allows the user to reach into tall or narrow smoke chambers and easily apply Chamber Safe refractory parging material. Designed and tested...- SKU:
- 720605
- Weight:
- 2.00 LBS
$115.50 -
Cleanburn Castable Refractory Cement - 25 lb. Tub
$55.99A dry-mix cement that sets and dries as hard as fire brick. Cleanburn cement is perfect for casting into custom designs, as it will hold its shape while drying; building firepits, and much more! It can be used as the sole material when casting a...- SKU:
- 720625
- Weight:
- 25.00 LBS
$55.99 -
Black Stove & Gasket Cement
$9.99The Black Stove and Gasket Cement is engineered for superior performance in high-temperature environments. With a remarkable resistance of up to 2000 degrees Fahrenheit, this cement is perfect for all your stove repair needs. Whether adhering to...- SKU:
- 742006
- Weight:
- 2.00 LBS
$9.99 -
CrownPrep Masonry Crown Conditioner
$57.65ChimneySaver CrownPrep is a specialized water-based acrylic conditioner designed to prepare and consolidate porous cement or mortar crown washes. This innovative product ensures superior durability and adhesion for repair coatings like CrownSeal and...- SKU:
- 750455
- Weight:
- 5.00 LBS
$57.65 -
Castable Firebrick Cement
$38.76 - $141.88This Castable Firebrick Cement comes in a handy 12.5 lb. or 50 lb. tub and is well up to the task of sealing your masonry to masonry joints. This Castable Firebrick Cement must be heat cured, after which it can withstand 2000° F temperatures, and...- SKU:
- Castable Firebrick Cement
- Weight:
- 0.00 LBS
$38.76 - $141.88 -
Chamber Safe - 5 gal.
$119.95Chamber Safe is a high performance, refractory parging material designed to strengthen, streamline, and restore smoke chambers. Chamber Safe is preferred by chimney professionals due to its “stickiness” when applied. Chamber Safe smooths jagged,...- SKU:
- 720607
- Weight:
- 33.00 LBS
$119.95 -
All (Cold) Weather CrownCoat - 1 Gallon
$141.52All Weather CrownCoat, formerly known as Cold Weather CrownCoat, is a brushable, elastomeric coating that creates a flexible, waterproof membrane to repair and protect chimney crowns from moisture damage. Featuring advanced Freeze-Cure™ technology, this...- SKU:
- 750406
- Weight:
- 14.00 LBS
$141.52 -
Masonry VenTubes (Package of 12)
$201.37VenTubes are precision-crafted, hollow cylinders made entirely of 304 series stainless steel, ensuring strength and longevity. Each tube measures 1/2" in diameter and 4 1/2" in length, featuring a welded wire screen on the front to prevent insect...- SKU:
- 750719
- Weight:
- 1.00 LBS
$201.37 -
Cerfractory Foam - 25 lb. pail
$237.93Ensure the safety and efficiency of your fireplace with Cerfractory Foam Smoke Chamber Sealant, a high-temperature, eco-friendly solution designed to restore and protect your smoke chamber.The smoke chamber, located between the fireplace and the chimney...- SKU:
- 750411
- Weight:
- 25.00 LBS
$237.93 -
ChimneySaver Paint "N" Peel Fireplace Cleaner - 1 gal.
$142.60ChimneySaver Paint “N” Peel Fireplace Cleaner offers a hassle-free solution for restoring your fireplace's appearance. Applied by a hearth professional with the proper tools and expertise, this cleaner is brushed onto the fireplace surface and dries into...- SKU:
- 759003
- Weight:
- 10.00 LBS
$142.60 -
Crack & Joint Sealant - 1/2 Gallon
$227.98Crack and Joint Sealant is a breathable silicone elastomer that works like a paintable caulk. It's perfect for sealing small cracks (up to 1/8 inch) and fixing defects in mortar joints when the chimney and mortar are otherwise in good condition. This...- SKU:
- 759002
- Weight:
- 5.00 LBS
$227.98