Closed-cell foam
A continuous foam layer around every penetration for insulation and slope.
A local roofing contractor in Elmwood Park can install, repair or recoat a spray foam roof, as long as the coating is kept intact over the foam. One call to (551) 367-0165 reaches a nearby spray foam roofer.
Spray polyurethane foam, or SPF, starts as two liquids that mix at the spray gun and expand into a rigid, closed-cell foam on the roof. Because it goes on as a liquid, it fills gaps, wraps around penetrations and leaves no seams. Each inch adds insulation, and the applicator can build thickness in low spots so water runs to the drains.
The weak point of foam is UV exposure. Ultraviolet light breaks down exposed foam, so it is always covered with a coating, usually silicone or acrylic, sometimes with granules for traffic areas. As long as the coating is renewed before foam is exposed, the roof can keep going for a very long time.
Some information makes the first conversation more useful. Mention the existing roof type, any leaks or ponding and what equipment sits on the roof. For an existing foam roof, mention when it was last coated and whether you see brown or orange foam showing through.
If the problem goes deeper than it first looked, an Elmwood Park roofer may also recommend roof coating or commercial roof coating.
Looking for Elmwood Park spray foam roofing? Call (551) 367-0165 and describe the problem to a roofer who works in Elmwood Park.
Call nowHere is how a typical spray foam roof is applied.
A moisture survey and core cuts show whether the old roof is dry enough to spray over. Spraying over wet insulation traps water, so those areas are cut out.
The surface is washed or swept, loose gravel is removed and metal is primed. Masking and wind limits keep overspray off vehicles and neighboring surfaces.
The applicator sprays layers of foam, building extra in low spots so water drains. The surface must be dry and the wind light, or the foam will not cure properly.
The finished foam should have a smooth or orange-peel texture, not rough popcorn, which traps water and is hard to coat. Any problem texture is fixed before the topcoat.
The foam is covered with an elastomeric coating in one or more coats to a set thickness. Walk paths can be coated thicker or with granules for durability.
Drains, scuppers and edges are checked so water leaves the roof and the foam stops cleanly at the perimeter. Coating thickness is checked with a gauge so the roof has what it needs.
A continuous foam layer around every penetration for insulation and slope.
Foam and coating finished cleanly at edges and drains for a tidy, sealed finish.
An inspection of the deck and existing roof so foam is never sprayed over water.
Washing and priming of metal or old roofing before spraying begins.
One or more coats of reflective elastomeric coating checked with a gauge.
Most spray foam roof repairs involve cutting out damaged foam and filling it back in with new foam or sealant. Small holes are sealed with compatible sealant, and larger damaged sections are cut out, refoamed and coated. A new coat over the repair keeps sun off the new foam.
In Elmwood Park, many foam roof repairs come after storms or when bare foam has been left exposed for too long. A blister may mean trapped moisture, so the roofer checks before repairing. Prompt repairs keep moisture out of the closed-cell foam.
The coating on a spray foam roof wears over time and must be renewed periodically. Most foam roofs need a fresh topcoat somewhere in the 10 to 20 year range. Recoating before foam is exposed keeps the job simple.
A recoat begins with cleaning, repairs and an adhesion test. Silicone tends to be used where ponding is a concern, while acrylic is used where the roof drains well. A Elmwood Park roof coated with silicone will need silicone again, since other coatings do not stick well to it.
Spray foam roofs in Elmwood Park are most common on commercial buildings, but some homes with flat roofs use them too. Buildings in Elmwood Park and around Garfield, Fair Lawn, Paterson and Lodi see strong sun, heavy rain and the occasional hailstorm, all of which wear on the coating, so keeping the coating in good shape is what makes a foam roof last.
Searching for spray foam roofing near me from Elmwood Park or Garfield, Fair Lawn, Paterson and Lodi? Call (551) 367-0165 to talk to a roofer who works in your part of town.
Winters here are long and cold, with snow on the roof for weeks at a time and plenty of nights below freezing. Heat escaping from the attic melts snow on the upper roof, and the water refreezes at the colder eaves, which is how ice dams form and back water up under the shingles. Coastal storms and heavy spring rain drive water sideways into flashing, valleys and old chimneys. That is why roof repair in Elmwood Park is busiest after a hard winter and before the next one.
Small roof problems caught early usually stay small repairs.
Local roofers see the same roofs and storm damage across Elmwood Park and nearby towns.
Ask the roofer about the cause, the options and the estimate before work starts.
More questions? Call (551) 367-0165
Liquid-applied roof coatings that seal seams, reflect heat and add years to a roof, as an option before a full tear-off.
Learn moreCoating systems that seal and reflect sun on commercial roofs, to extend roof life without a tear-off.
Learn moreInstalling TPO, PVC, EPDM or modified bitumen roofs on additions, garages, porches and flat-roof homes, with every wall, curb and penetration flashed properly.
Learn moreFlat roof repairs matched to the membrane, whether EPDM, TPO, PVC, modified bitumen or built-up, so the roof sheds water again without a full replacement.
Learn moreLooking for something else?
See all roofing servicesCall (551) 367-0165 to talk to a roofer serving Elmwood Park, NJ.