Guide describing how to add spray foam insulation to the underside of the existing roof deck as part of the conversion of a vented attic to an unvented, insulated attic.
Guide describing the use of attic ventilation fans to mechanically pull outside air through the attic in an attempt to cool the attic, control moisture, and prevent ice dams.
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.
Guide discussing disaster resistance related to asphalt shingle roofing when installing roofing on new construction or when repairing or replacing roofing on existing homes.
Guide providing information about flashing around a chimney to protect the intersection of the roof and chimney walls from water intrusion and anchoring of a chimney to prevent collapse in high winds.