Order your Heat Stop® from a dealer

Refractory Mortar, which is required by code for masonry fireplaces and chimneys, is available through our Dealers. To order Heatstop, refer to our list of dealers. If you want a specific HeatStop product and your local dealer is out of stock, you may order online per the following price schedule.

HeatStop 50 & HeatStop II Meets ASTM C-199, ASTM C-1283 Meets all building code requirements Non-water soluble & Acid resistant Easy to use. Just add water and mix. One product for both firebrick and flue liners Cast it, color it, use it for repairs. Available in 50# bags or in 10# containers. HS10 HeatStop II (ten pound pail) .............. $29.00 plus shipping cost HS10C HeatStop II (case of four) ................ $95.00 plus shipping cost HS50 HeatStop 50 (50# bag) ....................... $68.75 plus shipping cost If you can't find HeatStop, Ask Us and we will find it for you. HeatStop Premix Meets ASTM C-199 and all building codes Ready to use. Just mix. Air-setting Great for laying firebrick in hot dry weather. Water soluble so not appropriate for flues or outdoor fireplaces Available in 50# buckets or in 10# pails. HS15P HeatStop Premix (15# pail) ............. $29.00 plus shipping cost HS15PC HeatStop Premix (case of four) ..... $95.00 plus shipping cost HS50P HeatStop Premix (50# bucket) ......... $68.75 plus shipping cost If you can't find HeatStop, Ask Us and we will find it for you. Insul-Stick Combines insulating value and strength for for parging smoke chambers, repairing fireboxes, flues, etc. IS5 Insul-Stick (5# can) ................................ $29.00 plus shipping cost IS30 Insul-Stick (30# pail) ............................ $68.75 plus shipping cost If you can't find HeatStop, Ask Us and we will find it for you. Heat Cast-40 Castable refractory used to form and pour special shapes, hearth or oven dome. HC40 Heat Cast-40 (40# bag) .................... $51.88 plus shipping cost If you can't find HeatStop, Ask Us and we will find it for you. Delta Crete-35 Insulating castable Light weight, insulating castable refractory used to back up and insulate firebrick, flue liners or clay ovens. Can be poured or troweled. DC35 Delta Crete (35# bag) ....................... $68.75 plus shipping cost If you can't find HeatStop, Ask Us and we will find it for you. Order Online