Understanding the Different Parts of Your Roofing System
A roofing system integrates deck/sheathing (structural diaphragm, load path), underlayment/ice barrier (secondary water-shedding per ASTM), primary covering (asphalt or metal per slope and ESR), and flashings/sealants (step, valley, counter; galvanic-aware). Proper fastening schedules, panel orientation, and expansion gaps control stiffness and uplift. Ventilation (NFVA 1:150/1:300) and insulation manage moisture/thermal performance. Ridge/hip/valley terminations require backed nailing […]
How Michigan Weather Impacts Your Roof’s Lifespan
Michigan weather shortens roof life via lake‑effect snow loads (40–70 psf), ice dams from attic heat loss, freeze–thaw brittleness, summer UV/heat (>150°F surface temps), wind‑driven rain at ridges/edges, and hail that bruises shingles and punctures underlayment. Mitigation is design to ASCE 7, safe snow removal, continuous air sealing/insulation, Class 3–4 impact‑rated SBS‑modified shingles, reinforced underlayments, […]