... classified as Class A building materials with flame spread ratings in the 15 to 25 range. Certain grades of frp ... shafts, slide guides, boat, kayak2) Tool: umbrella shaft, umbrella rod, curtain rod, fence post, rail, handrail, frame for case and bags, antenna ... tool handles, bike flags, flag poles, floor gratings, lading bars in trucks and railcars, shoe soles, protective cases for laptops and ...