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 describing the installation of insulating sheathing above the roof deck on existing homes. This retrofit assembly is appropriate for homes with conditioned attics or where the retrofit is intended to create a conditioned attic.
Article describing a technique for installing a skylight and avoiding potential water leaks with the use of a peel-and-stick (or self-adhesive) membrane under the flashing.
Article describing ways to protect roofs from water infiltration by using self-adhering underlayment in vulnerable locations such as roof valleys, eave edges (to help deal with ice dams), rake edges, roofs to vertical walls (such as dormers), sidewall protection, the bottom of dormer valleys, and...
Report providing extensive guidance on controlling moisture in building envelopes through proper selection and installation on air, water, thermal, and vapor barriers.
Article describing a method for flashing roof vent boots, describing how to flash the pipe, how to flash over and under the pan, and finish by shaping the shingles, as well as addressing potential water leakage by adding an additional seal with EPDM flashing tape with a butyl adhesive backing to the...
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.
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 discussing disaster resistance related to clay or concrete tile roofing when installing roofing on new construction or when repairing or replacing roofing on existing homes.