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9 waterproofing subcontractors serve Treasure Coast (St. Lucie, Martin & Indian River Counties). Browse listings below, or create a free* GC account to see phone and email and invite a sub to bid on your RFQ.
Most of these waterproofing subcontractors are based in Fort Pierce (2), Port St Lucie (1), Sebastian (1), and Vero Beach (1) — plus 4 more across the metro.
Waterproofing subcontractors keep water out of the building envelope — below-grade foundation and blindside membranes, plaza decks and planters over occupied space, balcony and parking-deck traffic coatings, above-grade air and vapor barriers, sealant and caulking joints, and the flashing details where those systems tie into roofing and glazing. On commercial work they price from the Division 07 spec and the wall sections, and much of their scope is buried by later trades, which puts their work on the critical path and makes it expensive to correct.
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A waterproofing RFQ asks for a quote against the Division 07 spec and the wall and foundation details — which systems, how many coats or plies, mil thickness, and the substrate prep assumed. Bids are usually broken out by square foot per system and by linear foot for joint sealants, with separate lines for below-grade, deck coatings, and above-grade barriers. GCs want the exclusions stated plainly: concrete surface prep and profile, cure time before application, protection board, drainage mat, leak testing, and the manufacturer warranty being carried.
Waterproofing sits across two licensing paths in Florida, and which one applies depends on where the work is. Roof waterproofing and protective coating fall inside the roofing contractor's statutory scope — Florida law defines that license to cover roofing, waterproofing, and coating together — so subs doing roof-level work typically hold a certified or registered roofing license, and most waterproofing firms in this directory do. Below-grade and building-envelope work is different: Florida has no separate waterproofing classification for foundation membranes, deck coatings, or sealant work, so that scope is performed under a general contractor's license or registered at the county level, where a current certificate of insurance is the baseline a GC should confirm. Expect either credential here, and check that the one a sub holds matches the scope you're bidding.
It depends on the scope. Roof-level waterproofing and coating are written into the roofing contractor's license, so that work should be performed by a licensed roofing contractor. Below-grade membranes, plaza and balcony deck coatings, and joint sealants have no dedicated state classification — that work is done under a general contractor's license or a county registration. A sub who only does envelope and below-grade work may legitimately hold no state license, which is why insurance is the credential to confirm.
The split is usually drawn at the roof edge and the tie-in detail, and it is the most common source of a gap in bids. Wall flashing, counterflashing, and the transition from a below-grade or above-grade membrane up into the roof system get claimed by both trades or neither. RFQs should name who carries each transition detail by drawing reference, and bids should state which side of the tie-in they priced.
Almost every membrane and coating manufacturer specifies a surface profile, moisture content, and cure time the substrate must meet before application. That prep — grinding, shot blasting, patching bug holes, honoring the cure — is frequently carried by the concrete sub or the GC rather than the waterproofer. Waterproofing bids typically exclude prep and state the substrate condition they assumed. If the RFQ is silent, expect the exclusion.
Commercial waterproofing is usually specified with a manufacturer's material warranty, sometimes a labor-and-material system warranty that requires the installer be an approved applicator for that manufacturer. Approved-applicator status is worth confirming at bid time, because it is a precondition of the warranty the spec calls for and not every qualified sub carries it for every system.
The badge reflects what was reviewed: a verified license earns License Verified, a verified certificate of insurance earns Insurance Verified, and a sub with both reviewed shows both. Because waterproofing spans licensed and non-licensed scope, both badges are common in this trade — a roofing-licensed firm will typically show License Verified, while an envelope or below-grade specialist with no state license shows Insurance Verified.
* Free tier covers the core directory. Optional Premium and Pro tiers are available with paid plans.