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Flat roof silicone restoration · Malibu, CA · September 2026

The part of a silicone roof you never see.

Before the coating goes on, every seam, vent and curb gets a three-course treatment: a bed of elastomeric mastic, polyester mesh pressed into it, and a second coat over the top. Those white stripes are what keep a restored roof from opening up at the seams. Then primer, then two coats of silicone. This ocean-front flat roof also had a skylight built with no cricket, so we fabricated an aluminum flashing to divert the water around it.

Completed silicone roof restoration with vents and skylight on a Malibu flat roof by NRG Roofing
Completed silicone roof restoration with vents and skylight on a Malibu flat roof by NRG Roofing
ScopeSilicone restoration of the flat section, about 10 squares; whole-roof reseal of flashings and penetrations
PrepDegrease and pressure wash, full dry
SeamsThree-course at every seam and penetration: mastic, polyester mesh, mastic
CoatingPrimer, then two coats of silicone
CustomAluminum diverter flashing at a skylight built without a cricket; glass perimeter sealed
WarrantyWorkmanship warranty on the restored section and the skylight flashing
Stage by Stage

What the Job Looked Like.

Every photo below is from this roof, taken by our crew as the work went in.

Three-course seams

Three-course seam treatment (mastic, mesh, mastic) around a skylight before silicone coating, Malibu, NRG Roofing
Three-course seamsSeams around the skylight, three-coursed and primed.
Three-course seam reinforcement at a roof vent before silicone coating, Malibu flat roof, NRG Roofing
Three-course seamsSame treatment at a vent.
Every seam three-coursed and primed across a Malibu flat roof before the silicone coats, NRG Roofing
Three-course seamsThe whole field, every seam reinforced before the coats go on.

Coating

NRG Roofing crew rolling the seam coat on a Malibu flat roof restoration
CoatingRolling the seam coat.

Skylight

Custom aluminum skylight flashing fabricated for a skylight built without a cricket, Malibu, NRG Roofing
SkylightCustom aluminum flashing at the skylight on the slate section.

Finished

Completed silicone roof restoration with vents and skylight on a Malibu flat roof by NRG Roofing
FinishedFinished roof, vents and skylight.
Completed silicone-coated flat roof with ocean view, Malibu, by NRG Roofing
FinishedFinished roof, ocean view.
Why It Matters

What This Means for Your Roof.

Restoration, not replacement

A flat roof that is sound but tired does not need to be torn off. A silicone system over properly prepared seams adds years at a fraction of the cost.

The stripes are the work

Anyone can roll on a coating. The three-course seam work underneath is what decides whether it holds.

Drainage problems get fixed, not coated over

A skylight with no cricket ponds water on its uphill side. We built a flashing to move the water instead of hoping the coating would.

Free Estimates in Ventura County

Want This Done Right on Your Roof?

Free estimate, measured bid, written workmanship guarantee, and a photo packet when the job is done.