SPF layer
Rigid polyurethane foam sprayed to the planned thickness with no laps or seams to open.
A local roofing contractor in Leonia can install, repair or recoat a spray foam roof, as long as the coating is kept intact over the foam. Call (551) 348-8956 to reach a local roofer.
An SPF roof is sprayed on as a liquid that rises into rigid foam within seconds and sticks firmly to the surface below. Because it goes on as a liquid, it fills gaps, wraps around penetrations and leaves no seams. It also insulates, at roughly R-6 per inch, and the sprayer can build it thicker in low areas to create slope toward drains.
What protects a spray foam roof is its coating. Sun degrades bare polyurethane, which is why every SPF roof gets an elastomeric topcoat of silicone, acrylic or urethane. The coating is the part that wears, and recoating it on schedule is what lets the foam last for decades.
A few details about the roof help the roofer plan. Note whether the roof is metal, concrete, an old built-up roof or something else, and whether it has leaked or ponds after rain. If the roof is already sprayed, say when it was last coated and whether any foam is showing.
If the problem goes deeper than it first looked, a Leonia roofer may also recommend roof coating or commercial roof coating.
Looking for Leonia spray foam roofing? Call (551) 348-8956 to talk to a local roofer.
Call nowA foam roof is built in a few careful steps.
Before spraying, the existing roof is checked for wet insulation, loose sections and soft decking. Foam can go over many existing roofs, but anything wet or loose has to come out first.
The surface is washed or swept, loose gravel is removed and metal is primed. Nearby air intakes, cars and walls are protected, since foam and coating can drift in wind.
Foam is applied in lifts to the specified thickness, thicker in low areas to create slope. Moisture, low temperatures and wind all affect the foam, so the crew watches conditions closely.
The roofer checks the surface texture and thickness before coating. This is the time to correct thin areas or poor texture.
A silicone, acrylic or urethane topcoat is applied soon after spraying to protect the foam from sun. Granules may be added in walkways and around equipment to stand up to foot traffic.
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.
Rigid polyurethane foam sprayed to the planned thickness with no laps or seams to open.
One or more coats of reflective elastomeric coating to protect the foam from UV.
An inspection of the deck and existing roof to plan what must come out.
Cleaning, repair of loose areas and primer plus masking against overspray.
Drains, scuppers and perimeter metal detailed for a tidy, sealed finish.
Fixing a foam roof usually means removing the damaged area and rebuilding it, then recoating. Bird pecks, small punctures and hail dents are cleaned and filled with sealant, while larger damaged or wet areas are cut out down to sound foam and resprayed. The repair is then coated to match the rest of the roof.
For Leonia building owners, repairs tend to cluster around equipment, drains and areas where the coating has eroded. A blister may mean trapped moisture, so the roofer checks before repairing. Fixing small damage quickly keeps water from soaking into the foam and spreading.
The coating on a spray foam roof wears over time and must be renewed periodically. Silicone and acrylic coatings wear at different rates, but a recoat is common every 10 to 20 years. Recoating before foam is exposed keeps the job simple.
Before recoating, the roofer cleans the surface, fixes damage and tests how well the new coating sticks. Silicone tends to be used where ponding is a concern, while acrylic is used where the roof drains well. Very little besides silicone sticks to old silicone, so the existing coating type matters when planning a recoat in Leonia.
In Leonia, SPF shows up wherever a building owner wants to add insulation and stop leaks in one step. Buildings in Leonia and around Palisades Park, Fort Lee, Ridgefield Park and Englewood see strong sun, heavy rain and the occasional hailstorm, all of which wear on the coating, and spraying needs dry weather with light wind, so timing matters.
For spray foam roofing in Leonia, NJ or nearby towns like Palisades Park, Fort Lee, Ridgefield Park and Englewood, call (551) 348-8956 to reach a roofer who covers your street.
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 Leonia is busiest after a hard winter and before the next one.
A roof problem fixed early rarely spreads to the decking, the insulation or the ceilings.
Local roofers see the same roofs and storm damage across Leonia and nearby towns.
Ask the roofer about the cause, the options and the estimate before work starts.
More questions? Call (551) 348-8956
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, planned around how the roof will be used.
Learn moreFixing open seams, blisters, splits, ponding and failed flashing on flat and low slope roofs, so the roof sheds water again without a full replacement.
Learn moreLooking for something else?
See all roofing servicesCall (551) 348-8956 for a local roofer in Leonia and nearby towns.