The Rumford Store
Heat Stop® Refractory Mortar
High temperature mortar for firebrick and clay flue lining.
4/25/08

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Order your Heat Stop® from a dealer

Refractory Mortar, which is required by code for masonry fireplaces and chimneys, is available through our Dealers. Click here for a Dealer near you. If you want Heat Stop® and our dealer does not carry it we will help our dealer get it for you or, if our dealer prefers, sell the HeatStop directly to you at the retail prices shown.

More Information About Heat Stop® Refractory Mortar

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) .............. $23.00 + shipping
HS10C HeatStop II (case of four) ................ $77.00 + shipping
HS50 HeatStop 50 (50# bag) ....................... $50.00 + shipping
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) ............. $23.00 + shipping
HS15PC HeatStop Premix (case of four) ..... $77.00 + shipping
HS50P HeatStop Premix (50# bucket) ......... $42.88 + shipping
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) ................................ $23.00 + shipping
IS30 Insul-Stick (30# pail) ............................ $42.88 + shipping
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 + shipping
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) ....................... $60.50 + shipping
If you can't find HeatStop, Ask Us and we will find it for you.

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Buckley Rumford Fireplaces
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