Roofing in Thorndale, Ontario We present you the most comprehensive catalog of Roofing in Thorndale, Ontario Siderite Plus Inc Roofing +1 519-461-1598 20483 Heritage Road, Thorndale, Ontario N0M 2P0 Write a review Types of contractors in Thorndale, Ontario All types of contractors Contractor Electrician Hardware Home goods Moving Painter Roofing Storage