Chilliwack receives over 1,500 mm of annual rainfall — more than most of Metro Vancouver — combined with mountain-influenced freeze-thaw cycles that accelerate shingle aging. GoNano nanotechnology extends your roof life by 10–15 years at a fraction of replacement cost.
Chilliwack sits at the eastern end of the Fraser Valley, where the mountains funnel moisture-laden Pacific air and create some of the highest rainfall totals in the Lower Mainland region. With over 1,500 mm of annual precipitation, Chilliwack roofs face relentless moisture exposure throughout the long wet season.
The Fraser Valley's mountain proximity also means more significant freeze-thaw cycling than coastal communities — water that penetrates aging shingles freezes, expands, and causes accelerated cracking and granule loss. Chilliwack's mix of established neighbourhoods in Sardis and Vedder, and newer developments near Cultus Lake, includes a large number of roofs in the ideal 8–18 year treatment window.
Chilliwack homeowners face a double challenge: one of BC's wettest climates and a housing market where roof replacement costs $12,000–$18,000+. GoNano NuRoof treatment at $2.00–$2.25/sqft is the smart alternative — restoring shingle performance and extending roof life by 10–15 years at a fraction of replacement cost.
NanoShieldBC is the certified GoNano applicator serving Chilliwack and the Fraser Valley. We understand the specific challenges of the local climate and provide honest, expert assessments — we'll tell you if your roof is a good candidate for treatment, and we won't treat a roof that genuinely needs replacement.
NanoShieldBC is Chilliwack's certified GoNano applicator for roof rejuvenation, moss removal, and exterior surface protection. We serve all of Chilliwack including Sardis, Vedder Crossing, Cultus Lake, Yarrow, Rosedale, and surrounding Fraser Valley communities.
For most Chilliwack homeowners with roofs aged 8–18 years, asphalt shingle restoration through GoNano treatment is the smarter financial choice — delivering the same extended lifespan at a fraction of the cost.
GoNano asphalt shingle restoration comes in two formulas — one preventive, one restorative. We assess every roof individually to recommend the right one for your home.
Preventive GoNano roof treatment for roofs still in good condition. Creates a powerful hydrophobic nano-coating that dramatically slows aging, prevents moss damage to shingles, and extends shingle life before significant deterioration begins.
Restorative asphalt shingle restoration for aging roofs showing granule loss, early curling, or oxidation. Penetrates the asphalt matrix to restore lost oils and flexibility — the smart alternative to roof replacement.
We provide free roof assessments and GoNano treatment throughout Chilliwack and surrounding communities.
Not sure if we cover your area? Contact us — we serve the entire Lower Mainland.
We're local to the Lower Mainland and proud to protect the homes in the communities we love. Here are some of the places that make Chilliwack special.
Popular recreational lake and park just south of Chilliwack — a beloved Fraser Valley destination.
The heart of arts and culture in the Fraser Valley community.
World-class salmon and steelhead fishing river running through the heart of Chilliwack.
"I had no idea GoNano treatment was available in Chilliwack. My 14-year-old roof was showing moss and I was dreading the replacement cost. NanoShieldBC treated it for $2,400 and gave me a 10-year warranty. Incredible value."
Most Chilliwack homes cost $1,600–$3,000 for GoNano treatment — compared to $12,000–$18,000 for full replacement.
Yes — Chilliwack receives over 1,500 mm of annual rainfall plus mountain freeze-thaw cycling, which accelerates moss growth and shingle aging faster than many BC communities.
GoNano NuRoof treatment extends your roof life by 10–15 years. Most Chilliwack roofs treated between years 8–14 reach 25+ years total service life.
Yes — we serve all of Chilliwack including Sardis, Vedder Crossing, Cultus Lake, Yarrow, Rosedale, and surrounding Fraser Valley communities.

USDA Certified Bio-Based nanotechnology — five specialized formulas for roofs, wood, concrete, and more.
Roof Treatments
$2.25
/sqft

Extreme Weather Protection
$2.00
/sqft

Completely Refurbish Older Shingles
$1.24
/sqft

Plant-Based Shingle Rejuvenation
Find out if your roof qualifies for GoNano treatment — no obligation, no pressure. We'll give you an honest answer on roof replacement vs. rejuvenation for your specific home.
Eco-friendly choice — keeps shingles out of landfill. Financing from ~$150/month through iFinance Canada