How canyon wind works
When pressure sets up right across the Wasatch, air pours down the canyons and accelerates — emerging onto the bench at freeway-sign-bending speeds. The Avenues, Federal Heights, Yalecrest, Holladay's east side, and Cottonwood Heights take gusts that downtown never records. The bench's history of windstorm roof losses isn't bad luck; it's geography.
Uplift, not push
Wind doesn't blow shingles off — it lifts them. Racing over the ridge and edges, it creates suction strongest exactly where minimum installations are weakest: rakes, eaves, hips, and caps. That's why post-storm photos show roofs peeled from the edges in, and why edge spec is everything here.
The spec that keeps shingles on
Six nails per shingle placed on the nail line, adhesive starter strips at eaves AND rakes, rated hip-and-ridge systems, and fastened drip edge. None of it visible from the curb, all of it the difference between losing zero shingles and losing forty squares. Get the spec in writing from any bidder on the bench.
The bench double-bill: wind plus ice
The same elevation that catches wind holds snow — so east-bench roofs need windproof edges and ice-dam defense in the same build: sealed and fastened at the perimeter, membraned at eaves and valleys, cold-decked by real ventilation. It's one integrated spec, not two add-ons.
After the next windstorm
Walk the yard for shingle pieces, photograph anything, and book a free inspection even if the roof looks whole from the street — lifted-but-reseated shingles and cracked seals are invisible from the ground and turn into leaks by spring.
Frequently Asked Questions
Why does the east bench lose more roofs than the rest of Salt Lake?
Canyon-accelerated downslope winds hit the bench at speeds the valley floor never sees, and they exploit minimum-spec shingle edges first.
What wind spec should a bench roof have?
Six nails per shingle, adhesive starter strips at eaves and rakes, rated ridge products, and fastened drip edge — the full high-wind installation, in writing.
My roof looks fine after the windstorm — am I safe?
Not necessarily. Shingles lift, crack their seal strips, and settle back down. A free up-close inspection catches the invisible damage before winter melt finds it.
Can one roof handle both canyon wind and ice dams?
Yes — sealed high-wind edges plus eave/valley membrane and cold-deck ventilation is one integrated bench spec. We build it as standard above Foothill.
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