6-1/2" SIP's are the new standard for wall construction and the minimum recommended for an energy efficient house. With 5-1/2" cores to accommodate conventional 2"x6" lumber. R-Value of 24 @40F

All panels come in 4' widths and lengths up to 24'. Custom cut panels are available upon request, please submit a request for panels to
ecobuilder@aol.com  please list sizes and quantities of panels needed along with delivery information

size       retail costs        web discount            Your costs
4' x 8'  = $144.96               $8.96                     $136     4'x8'
4'x10'  = $181.20                $11.20                   $170     4'x10'
4'x12'  = $217.44               $13.44                   $204     4'x12'
4'x14'  = $253.68               $15.68                   $238     4'x14'
4'x16'  = $289.92               $17.92                  $272     4'x16'
4' x18' = $326.16               $20.16                  $306     4'x18'
4'x20'  = $362.40               $22.40                   $340     4'x20'
4'x22'  = $398.64               $24.64                   $374     4'x22'
4'x24'  = $434.88               $26.88                   $408     4'x24'
Retail pricing @ $4.53 sq/ft
Special web site pricing @ $4.25 sq/ft