General Panel Corp

Structural Insulated Panel Technical Data

applies to panels manufactured at Grenada, MS Plant only

Testing

Structural

 
ASTM-E72-80 Compressive Load-Wall, Transverse Load-Roof, Concentrated Load-Roof
ASTM-E695-79 Impact Load
ASTM-E564-76 Racking Resistance- Shear Value, PFS Report 84-116

Fire Endurance

 
ASTM-E119-83 Fire Resistance Rating of 60 minutes when tested under imposed load of 1250/lb/lf SWR1 Report NO 01-8305-029
UL Subject 1256 30 minute test evaluating resistance of roof deck construction to internal fire exposure.  SWR1 Report NO 01-8305-029
ASTM-D1929-77 Ignition & Flash Point Temperature of EPS and Waferboard Weyerhaueser Fire Technology Unit Report dated Aug 15, 1985
ASTM-E84 Flame Spread and Smoke Developed Rating of EPS and Waferboard

CODES

SBCCI report 2231
  currently under review as an IBC Report
  USHUD (HUD Bulletin 1123)

Wall Panel OSB/OSB Allowable Axial Loads PFL wind load

As specified by our engineers, based upon lateral load as well as Axial load.

Allowable roof/floor span OSB/OSB L/240 with SPF splines-weight/sq ft-R-Value

EPS Core Thickness Deflection (inches) Span (Ft) Load (PSF)
3.5 L/360 8 25
3.5 L/240 8 40
3.5 L/360 10 19
3.5 L/240 10 29
5.5 L/360 12 35
5.5 L/240 12 60
5.5 L/360 14 25
5.5 L/240 14 38
5.5 L/360 16 17
5.5 L/240 16 26
5.5 L/360 18 12
5.5 L/240 18 18
Racking Shear- 185 plf      
48" header- 504 plf      

Recommended Maximum Spans- OSB/OSB panels

  Spline type      
EPS Core thickness Double osb Single SPF Double  SPF LVL
Roof/Ceiling        
3 5/8" 2' 4' 6' 6'
5 5/8" 6' 12' 14' 16'
7 3/8" 8' 12' 16' 18'
9 3/8" 8' 12' 16' 18'
11 3/8" 8' 12' 16' 18'
Floors        
3 5/8" N/A 4' 4' 6'
5 5/8" 4' 6' 7' 8'
7 3/8" 6' 8' 10' 12'
9 3/8" 6' 9' 11' 12'
11 3/8" 6' 9' 12' 14'

 

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