<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:verdana,helvetica,sans-serif;font-size:10pt;color:#000000;">Hi<br><br>I am using eQuest 3-63 can any one help me out on the below error please find the attachment.<br><br> TYPE=PROPERTIES TH=0.0625 COND=0.1330 DENS=45.0 S-H=0.2 ..<br>Cannot simulate LAYERS Ceilg Cons Layers as given. The wall is too thin or too light. THICKNESS and/or DENSITY*SPECIFIC HEAT is too small. Use U-VALUE CONSTRUCTION.<br><br><br>BDL Error<br><br>cannot simulate Layer ceilg cons layers as given. The wall is too thin too light. Thickness and/or Density*specific heat is too small. Use U-Value construction.<br><br>Thanks<br>Ramesh BR</div></body></html>