Roofer spraying silicone coating on a low-slope commercial roof in Bloomington, IN
Silicone Roof Coating

Bloomington Silicone Roof Coating Contractor

Silicone That Protects Low-Slope Roofs Where Rainwater Sits for Days

As a Bloomington silicone roof coating contractor, we spray silicone over metal, built-up, and single-ply roofs on low-slope commercial buildings after repairs and cleaning.

  • Holds Up Under Standing Water
  • Wet Film Checked By Gauge
  • Seams Reinforced First
Roof Fit

Is Silicone Roof Coating a Fit for Your Bloomington Roof?

Bloomington silicone roof coating fits flat and low-slope roofs that are dry underneath. These checks tell us whether silicone belongs on yours.

CheckGood Fit For SiliconeFix Or Choose Another System
SlopeFlat to low slopeSteep panels that shed water fast
PondingWater that sits a day or twoDeep ponds over a sagging deck
InsulationDry core samplesWet board under the membrane
Existing SurfaceMetal, built-up, or single-plyLoose gravel or blistered asphalt
Future RecoatSilicone again laterPlans to switch to acrylic later
Roof Conditions

Roof Conditions Bloomington Silicone Roof Coating Covers

Silicone earns its keep on these four low-slope problems.

Rain

Ponding Rings After Storms

You See
Dirt rings and algae where water dried in low spots.
What It Means
Standing water breaks down many coatings. Silicone tolerates it, though deep ponds still get a drain or cricket fix first.
Age

Open Seams on Flat Sections

You See
Lifted edges on membrane seams or laps on low-slope metal.
What It Means
Seams are reinforced with fabric or mastic, then the silicone ties them into one continuous surface.
Sun

Cracked, Sun-Baked Surface

You See
Hairline cracks across an old coating or alligatoring on a built-up roof.
What It Means
UV has worn out the surface layer. Silicone handles strong sun well once the cracked material is cleaned and primed.
Leaks

Stains Under Low Spots

You See
Ceiling stains clustered under the flattest part of the roof.
What It Means
Water that sits finds every pinhole. Moisture readings show whether insulation got wet before we coat over it.
Coating Options

Commercial Roof Coating Options for Bloomington

Silicone is one of five systems we apply. Here is where the other four fit on Bloomington buildings.

Coat Or Replace

Benefits of Coating Your Roof

Silicone restores the roof surface without tearing it off. This is how it compares with a new roof.

What ChangesCoating The RoofReplacing The Roof
Tear-OffOld surface stays and is cleanedMembrane and insulation removed
Price RangeAbout $2.50 to $4 per sq ftAbout $5 to $8 per sq ft
Standing WaterSilicone tolerates pondingNew roof built with better slope
Sun ExposureBright surface reflects sunlightFollows the new membrane color
Later RecoatMore silicone over clean siliconeFull system later in its life

Water Still Standing a Day After Rain?

Ponding on a flat roof finds every weak seam. Schedule a roof walk and we will check the low spots and the insulation under them.

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How The Work Runs

Silicone Roof Coating Steps on Bloomington Low-Slope Roofs

Silicone goes on in one or two passes after the roof is clean and the seams are closed.

  1. 1

    Inspect Your Roof

    We map ponding areas, probe seams, and take moisture readings or core samples where the insulation could be wet.

  2. 2

    Repair And Dry Out

    Wet insulation is cut out and replaced. Blisters, splits, and failed flashings are repaired so the coating goes over a dry, closed surface.

  3. 3

    Clean The Surface

    A pressure wash removes dirt, algae, and chalk. Some roofs also get a primer to stop asphalt bleed-through or to help adhesion.

  4. 4

    Reinforce Seams

    Seams, laps, drains, and penetrations get fabric or mastic bedded in silicone, since these points move the most.

  5. 5

    Spray The Silicone

    Coats go on to the specified dry film thickness. We check wet film as we spray so ribs, laps, and curb edges get the full amount.

Crew spraying coating across a ribbed commercial metal roof in Bloomington, IN
Related Services

Coating Services Near Silicone Work in Bloomington

Steeper or insulated sections on the same property can take another system.

Service Questions

Silicone Roof Coating Questions From Bloomington Owners

Coats, life span, and product choice come up on almost every low-slope roof walk.

How many coats of silicone roof coating go on a Bloomington roof?

One or two, to a set thickness

Silicone is applied until it reaches a specified dry film thickness, which most systems hit in one or two coats. Seams, fasteners, and penetrations get reinforced before that. A wet-film gauge is used during spraying so ribs, laps, and the areas around rooftop units get the full amount.

How long does silicone roof coating last in Bloomington?

Thickness, ponding, and traffic decide

Its life follows the applied thickness, the preparation, how much water ponds, and how much foot traffic the roof sees. Dirt dulls the bright surface but leaves it watertight. Cleaning, quick puncture repairs, and a fresh silicone coat at the end of its service life keep it going.

Silicone vs acrylic roof coating: which fits a Bloomington office building?

Slope and drainage decide it

Flatter roofs that hold water after rain suit silicone. Sloped metal roofs that drain quickly suit acrylic, which costs less per gallon. Acrylic accepts other materials later, while silicone takes only silicone over it. We look at slope, drainage, and future plans before recommending one.

Does silicone roof coating work on Bloomington metal roofs?

Yes, over clean, primed steel

Applied over clean, primed, dry steel with seams and fasteners reinforced, silicone stays flexible and handles standing water and UV, which makes it a good match for low-slope sections. Structural problems and wet insulation are fixed first, because coating over them traps the trouble underneath.

Can silicone go on in cold weather?

Above the maker's minimum

Cooler air bothers silicone less than water-based coatings, yet the roof still has to be dry and above the product's minimum surface temperature. Frost, dew, and morning condensation are the usual obstacles in Indiana, so spraying often starts after the surface dries in late morning.

What does silicone roof coating cost in Bloomington?

About $2.50 to $4 per sq ft

Pricing falls within our published coating range of about $2.50 to $4.00 per square foot, set after an inspection. Wet insulation replacement, seam reinforcement, drain repairs, primer for bleed-through, and roof access all move the price within that range.

Hire a Bloomington Silicone Roof Coating Contractor

Tell us how long water sits on your roof after rain. We check the low spots and price a silicone system for the roof.

Call (930) 271-9894