southwestfireproofing

7HD High Density Portland Based Fireproofing
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Descriptions

Southwest Fireproofing Type 7HDTM is a spray-applied, factory blended high density cementitious fireproofing

for the more demanding service conditions. The higher density of Type 7HDTM produces a harder and stronger protection than normal or medium density products.

Specific Uses

Type 7HDTM is formulated to provide excellent hardness and durability for use on building structures where accidental physical damage is a primary concern.

Benefits

Type 7HDTM sets and cures to form a hard and durable monolithic barrier that remains in place under harsh conditions.

Type 7HDTM is cost effective because of excellent workability, spraying and adhesion characteristics.

Applications

Type 7HDTM is used in high density service conditions as shown in the Selection Chart.

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Parking Structures
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Processing buildings
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Storage areas
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Exposed areas

                                                                                   

TYPE 7HDTM CEMENTITIOUS FIREPROOFING IS SPRAY-APPLIED TO STRUCTURAL COMPONENTS OF BUILDINGS FOR FIRE RESISTANCE. UNDERWRITERS LABORATORIES FIRE TEST RESULTS HAVE QUALIFIED IT FOR USE IN OVER 100 DESIGNS.  UL DESIGN PAGE

TYPE 7HDTM CEMENTITIOUS FIREPROOFING IS DERIVED FROM THE BENEFICIAL COMBINATION OF PORTLAND CEMENT AND VERMICULITE. IT IS   NON-COMBUSTIBLE AND UNDER FIRE, IT RELEASES WATER OF CRYSTALLIZATION WHICH TURNS TO STEAM AND RETARDS HEAT TRANSFER.   

Physical Characteristics of Type 7HDTM

Property and Test Method

Value / Result*

Density, ASTM E-605

40 pcf (636 kg/m3) nominal
  Combustibility, ASTM E-136   Passed, non-combustible

Compressive Strength, ASTM E-761

350 lb/in2 (2411 kPa)

Cohesion/Adhesion, ASTM E-736

›6,000 lb/ft2 (›287 kPa)

Effect of Impact, ASTM E-760

Passed, no cracking or delamination

Effect of Deflection, ASTM E-759

Passed, no spalling or delamination

Corrosion of Steel, ASTM E-937

Passed, no contribution to corrosion

Erosion by Air, ASTM E-859

Passed, 0.000 g/ft2 (0.00 g/m2)

Surface Burning, ASTM E-84

Flame Spread 0, Smoke 10

Hardness, ASTM D2240

40, Shore D

Fire Resistance, ASTM E-119

Passed, see UL DESIGNS

Fungi Resistance, ASTM G-21

Passed, no growth with optional fungicide

* Values are from laboratory tests under controlled conditions and not intended to replace industry standards for specification purposes.

           

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                       Last modified: 8/22/07