Acker & Guerrero is certified and experienced in a broad range of re-roofing systems. From the time tested standard hot applied built-up systems. To the more modern, and very durable standing seam metal roofs and modified, self adhering, built-up products. From single ply roofs, tile & composition shingle appications, we offer a full line of services and products. If partial or complete re-roofing is in your plans, Acker & Guerrero is a great resource for the best in commercial and residential re-roofing.