mortars & pestles
rutland 211 dry mix 211 refractory mortar meets nfpa 211 10 lb .
every hearth service professional knows that you cant deliver outstanding results without the right materials so if youre looking for a reliable way to repair and join masonry flue tiles or need a high quality parge coating for building fireboxes you might want to consider investing in some rutland dry refractory mortar mix a simple air curing allows this tough mortar to withstand temperatures as high as 2550 degrees fahrenheit and develop a compressive strength of more than 2500 psi it also resists acid and water damage and meets nfpa 211 1988 edition and nyscma tek spec no 3 requirements medium duty refractory mortar can be used for joining or repairing flue tiles and as a parge coating for building fireboxes non water soluble hydraulic set does not require heat to cure container provides enough mortar for fifty 8 x 8 clay flue tiles or thirty 4 5 x 9 firebricks features a compressive strength of more than 2500 psi and can withstand 2550 & 186 ; f meets or exceeds nfpa 211 1988 edition and nyscma tek spec no 3 requirements properties consistency dry mortar type calcium aluminate pot time 1 hour less in hot temperatures set time 2 hours less at temperatures above 80 & 186 ; f color light brown coverage ten pounds will cover 1268 sq in with a 1 8 thick coat sku rtld309
rutland