# Roof Systems

> Membrane choice changes drainage, phasing, tear-off exposure, attachment, rooftop traffic, and future maintenance. We compare systems against the roof that is already there instead of treating every low-slope assembly the same.

Canonical: https://commercialroofingallentown.com/roof-systems

Membrane choice changes drainage, phasing, tear-off exposure, attachment, rooftop traffic, and future maintenance. We compare systems against the roof that is already there instead of treating every low-slope assembly the same.

## Flat Roof Systems Compared With the Building in Mind

[ TPO 60mil Roof Systems TPO at 60 mil offers a reliable, cost-effective reflective membrane for valley warehouses and retail, balancing welded-seam durability with the summer heat rejection these big roofs need.](https://commercialroofingallentown.com/roof-systems/tpo-60mil-roof-systems)[ TPO 80mil Roof Systems TPO at 80 mil adds thickness and puncture resistance for high-traffic valley roofs, a heavier-duty reflective membrane built to take hail, foot traffic, and years of Pennsylvania weather.](https://commercialroofingallentown.com/roof-systems/tpo-80mil-roof-systems)[ White EPDM Roof Systems White EPDM marries rubber's cold-weather flexibility with a reflective surface, cutting summer heat gain while standing up to the freeze-thaw cycling that defines Lehigh Valley winters.](https://commercialroofingallentown.com/roof-systems/white-epdm-roof-systems)[ Black EPDM Roof Systems Black EPDM stays flexible through deep Lehigh Valley cold and absorbs winter sun to help shed snow, making it a durable, economical rubber membrane for the region's large low-slope buildings.](https://commercialroofingallentown.com/roof-systems/black-epdm-roof-systems)[ PVC Roof Systems Heat-welded PVC resists grease, oils, and exhaust while forming monolithic seams, making it the membrane of choice for valley restaurants and plants where a lesser sheet would fail at the laps.](https://commercialroofingallentown.com/roof-systems/pvc-roof-systems)[ Fleeceback TPO Roof Systems Fleeceback TPO bonds a fleece backing to the membrane for extra puncture resistance and a strong adhered bond, a tough choice for valley roofs that see hail, foot traffic, and high wind.](https://commercialroofingallentown.com/roof-systems/fleeceback-tpo-roof-systems)[ Modified Bitumen SBS Roofing SBS modified bitumen adds rubberized flexibility that flexes with Pennsylvania's freeze-thaw swing, making it a resilient multi-ply membrane for smaller Lehigh Valley low-slope roofs.](https://commercialroofingallentown.com/roof-systems/modified-bitumen-sbs-roofing)[ Modified Bitumen APP Roofing APP modified bitumen brings a torch- or self-adhered multi-ply membrane to valley low-slope roofs, delivering rugged, weather-tested waterproofing where seams and detailing take real abuse.](https://commercialroofingallentown.com/roof-systems/modified-bitumen-app-roofing)[ Silicone Roof Coating Systems A silicone coating restores a sound but aging valley membrane with a seamless, reflective, ponding-resistant topcoat, extending its life and cutting cooling load without a full tear-off.](https://commercialroofingallentown.com/roof-systems/silicone-roof-coating-systems)[ Built-Up Asphalt Roofing Built-up roofing layers multiple plies and surfacing into a thick, redundant system that handles heavy foot traffic and Pennsylvania freeze-thaw on industrial valley decks better than a single thin sheet.](https://commercialroofingallentown.com/roof-systems/built-up-asphalt-roofing)[ KEE Roof Systems KEE membranes combine PVC-grade chemical resistance with lasting flexibility, holding up where Lehigh Valley food-processing and manufacturing exhaust would degrade a lesser sheet over time.](https://commercialroofingallentown.com/roof-systems/kee-roof-systems)[ Spray Polyurethane Foam Roofing Sprayed in place, polyurethane foam expands into a seamless insulated layer that conforms to any valley roof's quirks, sealing odd penetrations while adding R-value that earns its keep through Pennsylvania winters.](https://commercialroofingallentown.com/roof-systems/spray-polyurethane-foam-roofing)

## Talk through the roof before approving the scope

Send the building address and the decision in front of you. We will help separate immediate work from capital planning.

[Request Roof Review](https://commercialroofingallentown.com/contact)

[Call](tel:+16105483460)[Roof Review](https://commercialroofingallentown.com/contact)