Closed-cell foam
A continuous foam layer around every penetration for insulation and slope.
Spray foam roofing in Short Hills is a layer of closed-cell polyurethane foam sprayed onto the roof and covered with a silicone or acrylic topcoat, as long as the coating is kept intact over the foam. Call (862) 424-5211 to reach a local 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. With no seams or laps, it flows around pipes, curbs and odd shapes without separate flashing pieces. It also insulates, at roughly R-6 per inch, and the sprayer can build it thicker in low areas to create slope toward drains.
The foam itself cannot take sunlight. Bare foam turns brown and crumbles under sun, so a coating is applied soon after spraying. That coating wears thinner over the years and has to be renewed, which is the main ongoing task of owning a foam roof.
It helps to know what kind of roof you have before you call. Note whether the roof is metal, concrete, an old built-up roof or something else, and whether it has leaked or ponds after rain. 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, a Short Hills roofer may also recommend roof coating or commercial roof coating.
Looking for Short Hills spray foam roofing? Call (862) 424-5211 to talk to a local roofer.
Call nowSPF goes on in stages, and weather matters at each one.
The roofer checks the deck and existing roof, often with core cuts or an infrared scan to find wet areas. Wet materials are removed, since foam sprayed over moisture can blister.
Loose material is removed, the surface is cleaned and primers are applied where needed. Nearby air intakes, cars and walls are protected, since foam and coating can drift in wind.
The applicator sprays layers of foam, building extra in low spots so water drains. Moisture, low temperatures and wind all affect the foam, so the crew watches conditions closely.
A smooth to orange-peel texture is the goal, since a rough surface needs much more coating. This is the time to correct thin areas or poor texture.
A topcoat goes on to the specified mils, often in two coats of different colors to show full coverage. Walk paths can be coated thicker or with granules for durability.
The roofer confirms that drains and scuppers are clear and that foam meets edge metal neatly. A gauge confirms the coating is thick enough.
A continuous foam layer around every penetration for insulation and slope.
Foam and coating finished cleanly at edges and drains without ridges that trap water.
A topcoat that shields foam from sun to protect the foam from UV.
Cleaning, repair of loose areas and primer so the foam sticks well.
Core cuts or an infrared scan of the old roof to plan what must come out.
Most spray foam roof repairs involve cutting out damaged foam and filling it back in with new foam or sealant. Punctures and pecks get sealant, and blistered or wet foam is cut away and replaced. The repair is then coated to match the rest of the roof.
For Short Hills building owners, repairs tend to cluster around equipment, drains and areas where the coating has eroded. Blisters, where foam has separated from the layer below, are cut open, checked for moisture and refilled. Prompt repairs keep moisture out of the closed-cell foam.
Recoating is the main long-term care a spray foam roof needs. Silicone and acrylic coatings wear at different rates, but a recoat is common every 10 to 20 years. Waiting until bare foam shows means extra repair work before the new coat can go on.
A recoat begins with cleaning, repairs and an adhesion test. For roofs with standing water, silicone is the usual pick; acrylic works on well-drained roofs. Since new coatings do not stick well to old silicone unless they are silicone too, knowing the existing type matters for any Short Hills recoat.
In Short Hills, SPF shows up wherever a building owner wants to add insulation and stop leaks in one step. Across Short Hills and nearby towns like Springfield, Summit, Vauxhall and Chatham, older low-slope roofs with poor insulation and many penetrations are the best candidates, and spraying needs dry weather with light wind, so timing matters.
Need spray foam roofing around Short Hills? Call (862) 424-5211 for a Short Hills roofer who serves the towns around it too.
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, building ice dams that push water up under the shingles. Strong coastal storms push rain into every weak spot at the flashing and valleys. Most homeowners in Short Hills, NJ have the roof checked in the fall and again after the snow melts.
Small roof problems caught early usually stay small repairs.
Roofers in Short Hills know the roof types and weather wear common in local homes.
Ask the roofer about the cause, the options and the estimate before work starts.
More questions? Call (862) 424-5211
Liquid-applied roof coatings that seal seams, reflect heat and add years to a roof, after the seams and blisters are repaired.
Learn moreCoating systems that seal and reflect sun on commercial roofs, built to a measured thickness.
Learn moreFlat roof installation from the deck and tapered insulation up to the seams, flashing and edge metal, so water drains instead of ponding.
Learn moreFixing open seams, blisters, splits, ponding and failed flashing on flat and low slope roofs, with the patch made from material that bonds to what is there.
Learn moreLooking for something else?
See all roofing servicesCall (862) 424-5211 to talk to a roofer serving Short Hills, NJ.