What's special about this firestop mortar?
- Firestopping for construction gaps and blank openings to protect from smoke and flames, as well as noxious gases.
- Lightweight mortar is fast drying, so forms come down quicker to complete the job faster.
- Excellent for retrofit, due to its low density and ease of use.
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SpecSeal® Firestop Mortar is a cost effective, lightweight portland cement-based firestop sealant that provides an exceedingly high level of protection and resistance to fire.
|STI-SSM22B||SpecSeal® Firestop Mortar Bag||Bag 22 lbs||
|STI-SSM106||SpecSeal® Firestop Mortar 6 Gal Pail||Pail 22 lbs||
You can apply this mortar by pouring, pumping, or troweling, to meet your preferences and needs. Its lightweight and low-density properties mean that you don't have to spend much time forming your jobs with support, and allow you to perform retrofit jobs very easily. Mortar is designed to dry quickly, and will not crack or spall due to freezing or changes in temperature.
This particular firestop has been created in such a way that it not only seals off the spread of fire and hot gasses but also minimizes the amount of heat conducted through the assembly. In addition, it has been created specifically for applications in which the openings are medium to large sized.
SpecSeal® Firestop Mortar is the basis for systems that meet the exacting criteria of ASTM E814 and UL1479
|Odor||No perceptible odor|
|Density (as shipped)||Bulk approx. 0.45 – 0.55|
|Density Mixed (wet)||0.80g/L ± 0.03 (6.4 – 6.9 lb/gal)|
|Density (dry mortar)||.065 g/L (5.4 lb/gal, 40.5 lb/cu ft)|
|Ratio Water/Mortar||14.3/22 to 17.6/22|
|Yeld (per 22 lb)||1,250 – 1,425 cu in (20.5 – 23.4 L)|
|Shelf Life||No limit|
|Application Temp.||35°F – 100°F (2°C – 38°C)|
|Open Time||30 minutes working time|
|UL listed||UL1479, ASTM E814|
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