Question : What is the color of the cement?
Answer : The cement is black in color.
Question : What is the maximum temperature that it can withstand?
Answer : It can withstand up to 2000°F (1090° C).
Question : What kind of joints can it bond and seal?
Answer : It can bond and seal metal to metal or metal to masonry joints.
Question : Can this product be used to seal exterior metal chimney pipe joints and flashing on a metal roof?
Answer : The product has not been effective on wood stove exterior chimney pipes, so it may not be useful for sealing exterior metal chimney pipe joints and flashing on a metal roof.
Question : How do you heat cure with a natural gas furnace?
Answer : You can cycle the gas furnace for a minute or so, shut it down, and repeat for 30 minutes. Alternatively, you can partly close the gas valve to adjust the flame for a short time. A combination of both methods may work, too.
Question : How can I get the technical chemical data of this product?
Answer : You can get the technical chemical data of this product from the company website.
Question : Can this be used to glue soft insulating firebricks together, like for a mini forge?
Answer : Yes, it is ideal for bonding soft insulating firebricks together, like for a mini forge. Make sure to dampen the masonry before applying the cement for proper adherence, and let it dry for a day or so before use. The gray cement is recommended if your bricks are gray, since the black cement can get everywhere.
Question : Can I burn wood on this cement?
Answer : Yes, you can burn wood on this cement. It can be used to seal cracks in fireplaces, and it has worked fine for this purpose.
Question : Is this used for 6"chimney pipe for wood stove to seal joints?
Answer : Yes, it can be used to seal joints for 6" chimney pipes for wood stoves. However, it is recommended to remove the chimney pipe annually to clean out the creosote, replace the cement, and wrap the joints in 3/4" stove door gasket glued on with gasket adhesive to prevent woodsmoke from entering into the house.
Question : What should I use to clean the soot from firebricks before applying Rutland black furnace cement?
Answer : You can brush the surface to remove any loose dust and then wet the surface before applying the cement. It is recommended to use a few small layers instead of one large layer, and avoid applying the cement in too thick of layers.
Question : Is this rated for exterior use or interior only?
Answer : This product is rated for interior use only.
Question : Can this be used to fill cracks in soapstone in a wood burning stove?
Answer : No, furnace cement is for metal applications only. If you can perform a heat-cure, then Rutland fireplace mortar may work best. Otherwise, it is recommended to use Rutland Dry-Mix 211 to repair the cracks in the soapstone.