Solid wood, 3+1/2" thick insulated CARRIAGE HOUSE Sectional overhead door, New, with 3" tracking, torsion hardware. Front of door all T+G Cedar, 3/4" cedar. All sections and hardware is new, never installed. I am the manufacturer. Door is 8X8, made for an 8X8 opening. Requires 18" of headroom due to tracking being 3" industrial, with 3" rollers. Available near VILLA NOVA RD in NORFOLK COUNTY ONTARIO.