This RTV High Heat Silicone forms a tough seal that withstands continuous temperatures of 450 degrees Fahrenheit. Use it to seal fireplace inserts, repair solar panels, make automotive seals, seal stoves, flashings- anywhere a permanent elastic seal ...See All Product Details
high temp calking
Unable to utilize at stove pipe/stove joint, but found good use in reconditioning chimney cap/cover
this was the right on product to get the chimney cap fastened. even through rain and winds, the cap is still on. thank you.
Silicone worked as described, would definitely purchase again.
500 deg RTV Silicone
Product was delivered promptly along with our new insulated stainless steel chimney pipe. This product is great! Easy flow and great coverage. Thank you for a wonderful product.