Vinyl-siding-wall-thickness, grades and thickness of vinyl siding by promatcher staff. vinyl siding grades vinyl siding comes in several grades and thicknesses. although it can vary by manufacturer, a higher-grade vinyl will typically cost more.. Vinyl siding thickness. of course, the thicker the vinyl is, the more it costs. thickness can vary from .35 millimeters in cheaper siding products to up to .55 millimeters in the highest grade products., 130 endicott st , lowell, ma 01854-1641 is currently not for sale. the 2,425 sq. ft. single-family home is a 4 bed, 2.5 bath property. this home was built in 1951 and last sold on 10/16/1998 for $169,900. view more property details, sales history and zestimate data on zillow.