What Is the Concern with Snow on Asphalt Shingle Roofs? Under normal winter conditions, snow and ice generally do not need to be removed from GAF Asphalt Fiberglass Shingles. However, removal may be necessary if: Evaluating the Situation Before taking action, carefully evaluate the situation by considering the following questions: What Should You Do If…
What Are Improperly Driven Nails? Improperly driven nails can significantly affect the performance and longevity of asphalt shingles. These nails fall into three categories: Issues Caused by Improperly Driven Nails Over-driven Nails Under-driven Nails Angled Nails Remedies for Improperly Driven Nails At the Time of Installation: After Installation: Check Shingle Application Instructions Conclusion Proper nail…
What Is Step Flashing? Step flashing is an essential component of asphalt shingle roofing systems, designed to prevent water infiltration at roof-to-wall intersections. Proper installation of step flashing ensures the longevity and performance of the roof by directing water away from vulnerable areas. Standard vs. Alternative Step Flashing Sizes Standard Step Flashing: Alternative Step Flashing:…
What Is Racking of Shingles? Racking refers to the installation method where shingles are laid straight up the roof rather than using the traditional stair step method. While this technique can be used in certain situations, it comes with specific considerations and potential drawbacks. Does GAF Approve of the Racking Method? For Three Tab Shingles,…
What Are Self-Adhered Leak Barriers? Self-adhering leak barriers are used on various parts of the roof, including the eave, rake, valley, and around roof penetrations. These barriers are critical in both new and re-roof applications to prevent leaks. The remainder of the roof is typically covered with non-perforated, breathable (moisture vapor permeable) roof deck protection….
