Cenco Roofing provides attic insulation in ZIP 80501 (Longmont, Colorado) — a Lakewood-based Owens Corning Platinum Preferred and GAF Master Elite contractor serving Boulder County since 2013 (4.9 stars, 840+ reviews). Free on-roof inspections: (720) 776-8247.

Page data updated August 11, 2026 · Demographics: U.S. Census ACS · Storm history: NOAA/NWS reports

Two-story home with extension ladder and Cenco Building Services yard sign at dusk, Denver metro area

Attic Insulation · ZIP 80501 · Longmont, Boulder County

Attic Insulation in ZIP 80501 (Longmont, Colorado)

Our Attic Insulation crews work ZIP 80501 year-round, across all 12 census-defined areas inside it and its roughly 19,669 homes. Cenco has served Longmont and the rest of Boulder County since 2013 — BBB A+, 4.9 stars across 840+ reviews, Owens Corning Platinum Preferred and GAF Master Elite.

Attic insulation is the roofing upgrade homeowners near the $508,637 median in 80501 almost never price, and one of the few that pays back in both comfort and winter energy bills. Cenco quotes it as part of the roof system: the roof, its gutters, and the attic under it fail together, so we measure, air-seal, insulate, and check ventilation as one scope.

By the numbers, 80501 is about 19,669 housing units (59.6% owner-occupied), a median home value of $508,637, 12 census-defined areas. Boulder County recorded 1 hail and 15 wind events in the last 90 days (most recent: 2026-06-26) — and every event in that window is one more reason the free inspection is worth booking before the claim window closes. Cenco is locally owned, licensed and insured, BBB A+, and FORTIFIED-trained.

Every project starts with a free on-roof inspection. If your roof is fine, you get that in writing.

Learn more about how we approach attic insulation — materials, process, and warranties.

ZIP 80501 at a Glance

  • 44,338Residents
  • 19,669Housing units
  • 59.6%Owner-occupied
  • $508,637Median home value

Source: U.S. Census Bureau, American Community Survey 5-year estimates.

Storm History

Boulder County recorded 1 hail and 15 wind events in the last 90 days (most recent: 2026-06-26). Largest hail: 1″ — big enough to bruise asphalt shingles even when nothing looks wrong from the street.

Source: NOAA/NWS storm reports, trailing 90-day window.

Frequently Asked Questions

Does Cenco Roofing do Attic Insulation in 80501?

Yes u2014 ZIP 80501 is part of Cenco's Longmont service area, worked year-round by crews dispatching from the Lakewood headquarters across all 12 census-defined areas inside it. Yes u2014 Colorado licensed and insured, BBB A+ accredited, Owens Corning Platinum Preferred and GAF Master Elite (held by under 2% of roofers), serving the Front Range since 2013 with 4.9 stars across 840+ Google reviews.

How long does Attic Insulation take in 80501?

Most attics in 80501 are a single day u2014 air-sealing first, then insulation to the depth the measurement calls for. The free assessment comes before any of it: we measure what the attic actually has, check the ventilation, and quote the gap to Colorado-appropriate R-values in writing rather than selling a standard package.

Has there been hail near 80501 recently?

Boulder County recorded 1 hail and 15 wind events in the last 90 days (most recent: 2026-06-26). If a swath crossed 80501, get the free on-roof inspection before the claim window closes u2014 hail bruises the shingle mat without visibly tearing it, so the damage that totals a roof is routinely invisible from the street.

What Homeowners Say ★ 4.9 · 840+ Google reviews

Reputation you can verify

4.8 across 1,222 reviews

See why Cenco Roofing has earned a 4.8-star reputation across 5 independent platforms. Explore real customer experiences, the projects behind them, and how our team approaches every situation — from quick repairs to full storm-damage restorations.

4.9★ 841 4.8★ 228 4.8★ 134 5.0★ 17 3.0★ 2
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Cenco Roofing (Cenco Building Services) 7400 W 20th Avenue, Lakewood, CO 80214 (720) 776-8247 · Open 24/7 for storm emergencies
  • Colorado Licensed & Insured
  • Owens Corning Platinum Preferred · GAF Master Elite
  • BBB A+ · Serving the Front Range since 2013

Get a Free Roof Inspection

Real inspection by a trained roofer — not a guess from the ground. Hail specialists on staff, Owens Corning Platinum installer, Class-4 impact-resistant options.

Request a Free Quote Call (720) 776-8247