Flashing of Penetrations in Existing Roofs Description Guide describing how to provide a continuous water control layer across the roof assembly by sealing all penetrations for pipes, vents, etc. in existing roofs.
Unvented Insulated Sloped Roofs Description Guide describing construction of sloped roofs that are unvented and are insulated above the roof deck.
Water Managed Roof – Re-roofing and Adding Insulation over a Flat Roof Description Guide describing an approach to re-roofing an existing flat roof to improve thermal, water, and air control performance.
Water Managed Roof – Re-roofing and Adding Insulation Over a Sloped Roof Description Guide describing how to re-roof an existing home with a sloped and add insulation above the roof deck.