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Permatherm EPS Maximum Spans for Uniform Loads

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Mike Montgomery

PermaTherm provides charts showing maximum spans for EPS insulated panels under uniform loads of varying densities. Spans range from 3 to 41 feet depending on core thickness from 2 to 10 inches and load weight from 5 to 60 pounds per square foot. Guidelines specify panels are designed to carry specified total loads without exceeding buckling stress limits of panel facings. Interior panel skins must be cut at girts and a thermal break is needed if interior skins extend outside. Block panel packages should be stored above ground.

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269 Industrial Park Rd. PermaTherm Monticello, GA 31064 {p} (706) 468-7500 269 Industrial Park Rd. | Monticello, GA 31064 {f } (706) 468-7510 Insulation Innovation {p} (706) 468-7500 | {f} (706) 468-7510 (866) 468-7510 {e} info@permatherm.net {e} permatherm@earthlink.com EPS Insulated Panels Maximum Spans for Uniform Loads (Units in Feet for 26-Gauge Steel Panel Skins) Core Total Uniform Load (lb/sq ft) Thickness 5 10 20 30 40 50 60 2 inch 18 13 9 7 6 5 3 3 inch 22 16 10 9 6 5 4 4 inch 25 18 13 10 8 7 6 5 inch 30 22 15 12 9 8 7 6 inch 32 23 16 13 10 9 8 8 inch 36 25 19 15 12 11 10 10 inch 41 29 20 17 14 12 11 *Uniform Load Spans based on the following: face wrinkling with a safety factor of 2; de?ection of L/240 of span; or core shear with a safety factor of 5. Uniform Load Spans are rounded to the lower footage. * All values are calculated using core material of Type 1 (1 lb. Density) EPS Foam. Greater values can be reached with higher density foam which is available. Other Guidelines PermaTherm Architectural Insulating Panels are designed to carry speci?ed total loads, with maximum computed buckling stress not to exceed the maximum allowable buckling stress of the facings. The inside face of all panels must be cut at girt attachments to avoid compression bucking of the exterior skin. Wherever interior panel skins are extended to the outside (warm side) surface, a thermal break must be cut to avoid thermal conductivity. Block panel packages should be stored above ground to keep out of water provide drainage. Contents and logo are property of PermaTherm, Inc. page 1 of 1 All rights reserved. Copyright 2010?

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Permatherm EPS Maximum Spans for Uniform Loads

  • 1. 269 Industrial Park Rd. PermaTherm Monticello, GA 31064 {p} (706) 468-7500 269 Industrial Park Rd. | Monticello, GA 31064 {f } (706) 468-7510 Insulation Innovation {p} (706) 468-7500 | {f} (706) 468-7510 (866) 468-7510 {e} info@permatherm.net {e} permatherm@earthlink.com EPS Insulated Panels Maximum Spans for Uniform Loads (Units in Feet for 26-Gauge Steel Panel Skins) Core Total Uniform Load (lb/sq ft) Thickness 5 10 20 30 40 50 60 2 inch 18 13 9 7 6 5 3 3 inch 22 16 10 9 6 5 4 4 inch 25 18 13 10 8 7 6 5 inch 30 22 15 12 9 8 7 6 inch 32 23 16 13 10 9 8 8 inch 36 25 19 15 12 11 10 10 inch 41 29 20 17 14 12 11 *Uniform Load Spans based on the following: face wrinkling with a safety factor of 2; de?ection of L/240 of span; or core shear with a safety factor of 5. Uniform Load Spans are rounded to the lower footage. * All values are calculated using core material of Type 1 (1 lb. Density) EPS Foam. Greater values can be reached with higher density foam which is available. Other Guidelines PermaTherm Architectural Insulating Panels are designed to carry speci?ed total loads, with maximum computed buckling stress not to exceed the maximum allowable buckling stress of the facings. The inside face of all panels must be cut at girt attachments to avoid compression bucking of the exterior skin. Wherever interior panel skins are extended to the outside (warm side) surface, a thermal break must be cut to avoid thermal conductivity. Block panel packages should be stored above ground to keep out of water provide drainage. Contents and logo are property of PermaTherm, Inc. page 1 of 1 All rights reserved. Copyright 2010?