Library

Article describing methods for venting a vented attic and a roof assembly over an unvented attic.

This report outlines research activities that are expected to facilitate the adoption of energy retrofits by remodeling contractors and roofing contractors using retrofit panels which applicable to many existing house designs in most climates and markets.

SPFA website signup page to access SPFA documents.

Tool developed by LBNL to calculate potential savings from increasing wall and roof solar reflectance.

Article describing strategies for reducing the risk of ice dam formation on roofs in winter.

Article describing the importance of air sealing, insulation, and roof ventilation in reducing the likelihood of ice dam formation on roofs in cold snowy climates.

Checklist highlighting the requirement for metal structural connections and materials fasteners used to retrofit or construct FORTIFIED buildings less than 3,000 ft from saltwater to be suitably protected from corrosion.

Checklist describing requirements for roof sheathing along the gable end truss or rafter to achive a FORTIFIED Roof, including New Roof designations and exceptions.

Guide describing how and where to install flashings in order to weatherproof a roof.

Information sheet presenting the correct methods for building an insulated cathedral ceiling.

A presentation describing the standards regarding who is responsible for what part of the design to ensure the roof truss is properly designed and braced.

A document providing guidance on integrating a PV array with a roof system.

Article describing how ice dams form on residential roofs, how they damage homes, and solutions to prevent future dams.

Website providing an online calculator for determining energy and cost savings from installing radiant barriers in attics.

Information sheet with the definition and uses for a raised truss.

Q&A article discussing how to address moisture issues in an attic in a wet and humid coastal climate.

Specifications to assist builders in designing and constructing homes equipped with a set of features that make the installation of solar energy systems after the completion of the home’s construction easier and less expensive.

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...

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...

Study analyzing wind pressures on hip roofs where two hip roofs come together forming an L or T shaped roof or building.