

Avon Commercial Roofing Contractor
Flat Roofs Detailed for Heavy Drifts at Walls and Units
As an Avon commercial roofing contractor, we design and install flat and metal roofs around the town's 35 psf ground snow load and the drifts it builds.
Avon Commercial Roofing and the 35 PSF Snow Load
Avon commercial roofing has to start with snow. The 2022 Connecticut State Building Code lists Avon's ground snow load at 35 pounds per square foot, above Hartford's 30.

Flat roofs collect more than the average. Snow drifts against parapets, taller walls, and rooftop units, piling extra weight in those spots. A reroof that adds insulation, ballast, or new equipment changes that picture, so we check it before the work is ordered.
Drifts also hide drains, and their meltwater runs straight at wall flashing.
- Drift areas noted at walls, parapets, and units
- Added weight checked before a reroof is ordered
- Wall flashing set high enough for drift meltwater
Commercial Roofing Problems From Avon Snow and Drifts
Heavy snow years show up on Avon roofs in these six ways.
Drifts Against Parapets
Wind piles snow along parapets and tall walls, loading the deck there and soaking the wall flashing as it melts.
Snow Banked at Rooftop Units
Units catch drifting snow on their downwind side, burying curb flashing and holding water against it for weeks.
Drains Buried Under Snow
Drains disappear under drifts, and the first thaw sends water across the roof looking for the next low spot.
Sagging Deck in Drift Zones
Deck panels under repeated drifts can deflect, leaving low spots that pond in summer after the snow is gone.
Ice Lenses Under the Membrane
Water that gets in at a wall freezes within the insulation, lifting boards and breaking fasteners loose.
Snow Slides From Metal Roofs
Sloped metal sheds its load onto lower flat roofs and entrances, adding a sudden drift where none was planned.
What Snow-Ready Commercial Roofing Gives Avon Buildings
Designing for the local snow load brings four practical gains.
Weight Checked Before Work
Added insulation or ballast is reviewed against the snow load before ordering, so the roof is not overloaded later.
Flashing Above the Drift Melt
Wall and curb flashing runs high enough that meltwater from drifts stays below the top edge.
Drains Placed Where Water Goes
Crickets and tapered insulation steer melt to drains away from the deepest drift zones.
Controlled Slides From Metal
Snow guards on metal roofs hold the load where it falls safely instead of on a lower roof or doorway.
Commercial Roofing Options for Avon
Avon roofs take the same four systems as anywhere, with snow shaping the details.

TPO Roofing
Fastened or adhered white membrane for flat roofs with units, with curbs raised above drift lines.
TPO Roofing details
EPDM Roofing
Adhered rubber sheets for open roofs where ballast stone would add weight the snow load cannot spare.
EPDM Roofing details
Industrial Roofing
Plant roofs with exhaust and equipment, where drifts build around every curb and stack.
Industrial Roofing details
Commercial Metal Roofing
Sloped buildings where panels shed snow, with snow guards above doors and lower roofs.
Commercial Metal Roofing detailsSnow Piling Against Your Walls?
Deep drifts at parapets and units load the deck and soak the flashing. Call and tell us where the snow stacks up.
How Commercial Roofing Jobs Run in Avon
Snow load enters the plan early. Here is where each step happens.
- On The Roof
Step 1: Inspect Your Roof
We map parapets, tall walls, and units where drifts form, check the deck for sag, and take core cuts for layers and moisture.
- On The Roof
Step 3: Rebuild the Drift Zones
Low deck is repaired, crickets steer water to drains, and curbs and wall flashing are raised above where drifts melt.
- On The Roof
Step 4: Install the New Roof
Insulation, cover board, and membrane or panels go down section by section, with snow guards where metal can slide.
- Around The Building
Step 2: Review the Snow Load
Any added insulation, ballast, or equipment is checked against the 35 psf design snow load before the permit and order.
- Around The Building
Step 5: Winter Notes for Your Staff
We mark drift zones and drains for your snow crew, so shoveling and roof checks happen where they matter most.
Other Towns Near Avon
Running buildings outside Avon? We work in the towns below as well; for others, call us or send us a message.
Avon Roofing Questions
What Avon owners ask about snow and flat roofs.

Question about your own roof?
Call UsWhat is the design snow load for a commercial roof in Avon?
The 2022 Connecticut State Building Code lists Avon's ground snow load at 35 psf, and flat-roof design loads cannot go below 30 psf. Drifts at walls, parapets, and units add more in those spots.
Does snow load change Avon commercial roofing cost?
It can. Raising curbs, building crickets, repairing sagged deck in drift zones, or choosing an adhered system over ballast all affect the price, and the inspection shows which ones apply.
Should our roof be shoveled in heavy winters?
Drifts at walls and units carry the most weight, so those are the spots to watch. We mark them for your staff, and shoveling should leave a layer of snow so tools never touch the membrane.
Is commercial roofing for Avon businesses designed differently than in Hartford?
The systems are the same, but the snow load is higher, so drift zones, added weight, and flashing heights get extra attention in Avon.
How do I find a commercial roofing contractor near Avon who checks snow loads?
Ask whether the added insulation or ballast will be checked against the town's snow load before the order. We do that as part of every Avon reroof.
Can ballasted EPDM work in Avon?
Only where the structure can carry the stone on top of the snow load. Many roofs cannot spare that capacity, so an adhered or fastened system is the usual pick.
Do metal roofs in Avon need snow guards?
Where sliding snow would land on doors, walkways, lower roofs, or parked cars, yes. Guards hold the load on the panels so it melts off slowly instead of dropping in one slab.
Hire a Avon Commercial Roofing Contractor
Tell us about the building and where the snow piles up. We will check the load and price a roof built for Avon winters.
