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Carboline Pyrocrete 241 - 22.7KG
Carboline Pyrocrete 241 - 22.7KG
Pyrocrete 241 A 55 lb./ft³ (881 kg/m³) density, Portland cement based, cementitious fireproofing. It provides both hydrocarbon and cellulosic fire protection for structural steel and can also be used to upgrade the fire resistance of existing concrete. Recommended areas of application include refineries, petrochemical, pharmaceutical facilities, pulp and paper mills, offshore platforms, nuclear and conventional power plants, factories, warehouses, institutional and biomedical facilities.
Product Features
- Over 40 years of proven performance
- Exceptional durability and toughness
- UL 1709 hydrocarbon fire rated up to 4 hours
- Jet fire rated up to 2 hours
- ASTM E119 cellulosic fire rated up to 4 hours
- Cryogenic protection against LNG spills and immersion exposures
- Resistant to 3 bar blast overpressure
- Hose stream resistant
- UL 2431 Category I-A Outdoor Heavy Industrial and Exterior Environmental Purpose
- Tolerant to wide range of climates
- Lightweight – one-fifth the weight of concrete for equal fire protection
- Ideal for onsite and offsite application
- Easy application by spray or trowel
- Nonflammable – during or after application
- Chloride and sulfide free – no special priming required
- Asbestos-free – complies with EPA and OSHA regulations
- Non-friable – high impact strength
| Color | Non-Uniform Speckled Gray Product color may vary due to variations in color of Portland cement. |
| Finish | Textured If a smooth finish is required, this may be done by trowel, roller or brush typically within 1 to 2 hours after final application of Pyrocrete 241. |
| Primer | Pyrocrete 241 neither promotes nor prevents corrosion. The fireproofing should not be considered as part of the corrosion protection system. For applications where primers are required, use a Carboline approved, alkaline resistant primer. Pyrocrete 241 must meet minimum UL bond strength criteria for contour applications where primers are used. Contact the Carboline Fireproofing Technical Service for further information and approved primers. |
| Application Thickness | 1/2" - 5/8" (12.7 - 15.9 mm) on initial pass |
| Theoretical Coverage Rates |
13.3 board foot per bag @ 55 pcf (1.23 m² @ 25.4 mm thick @ 881 kg/m³) Field results will vary depending upon application parameters. Coverage based on theoretical gross yield without loss. Material losses during mixing and application must be taken into account when estimating project requirements. Coverage based on 50 lb. (22.7 kg) bags (one board ft = one ft² of material at one inch thick or 0.09 m² of material at 25.4 mm thick. |
| Limitations | Not recommended for use as a refractory cement or where continuous operating temperatures exceed 200°F (93°C). |
| Topcoats | Generally not required. In severely corrosive atmospheres, topcoats may be used for added durability and chemical resistance. consult Carboline Fireproofing Technical Service for selection of the coating most suitable for the operating environment. Seal Coat – In corrosive environments, use an appropriate topcoat. If topcoating is required, apply Carboguard 1340 as a seal coat. Carboguard 1340 shall be thinned 25% with Carboline Thinner #2. Carboguard 1340 may be applied after 24 hours of final application of Pyrocrete 241. Consult the Carboguard 1340 Product Data Sheet for minimum and maximum cure times. Top Coat – Surface hardness should be a minimum Shore DO 64 as measured with a durometer prior to application of the topcoat. Normally, this minimum dry time is 10 days at 70°F (21°C) and 40 days at 40°F (4°C), for thickness of 1” (25.4 mm) or less. Caulking – For exterior installations, Acrilast caulk, TREMstop® Fyre-Sil GG or equivalent should be applied at all termination joints between Pyrocrete 241 and the substrate. Contact Carboline Fireproofing Technical Service for full information. |
Data Sheets
Pyrocrete 241 PDS
Pyrocrete 241 MSDS
Pyrocrete 241 Application Manual
Pyrocrete 241 Approved Primer List
Pyrocrete 241 Assembly Illustrations & Data
Pyrocrete 241 Product Flyer
Pyrocrete 241 Technical Specification Guide
Pyrocrete 241 UL Certificate of Compliance
The above information is based on current test data, health and safety information and application instructions supplied by our suppliers and manufacturers of the products. It is supplied for guidance and to the best of our knowledge is true and accurate. Customers should satisfy themselves to the suitability of the products in its intended use and no guarantee is given or implied as the conditions of actual use are beyond our control. If in doubt the customer should consult the designer of the project or the local building control.
Fire Stopping Shop, disclaim any liability for loss, damage or other expense which may arise from the use of this information, data or products refereed to and reserve the right to amend or change any details without notice. This statement does not affect your statuary rights.
