GemSeal

What GemSeal does

GemSeal Pavement Products is a US-based manufacturer and distributor of pavement preservation products for commercial, industrial, and government customers in the United States and Canada. The company was founded circa 1960, is headquartered in Charlotte, North Carolina, and became independently owned in January 2016 when its management team and Luther King Capital Management acquired it from Oldcastle. GemSeal operates nine regional manufacturing facilities and over 20 company-owned One Stop Shop retail stores supported by an independent distributor network, and employs between 101 and 250 people.

The product portfolio spans refined tar, petroleum-based, polymer-modified, and asphalt emulsion pavement sealers (PolyTar, Black Diamond, Black Diamond XL, FedSpec, Guardian AE/PM), hot-applied and cold-pour crack sealants and fillers (Crack-Flex Pro, Dura-Fill P.L.), traffic marking paints (ProStripe Plus, ProStripe MX), sealer additives (GuardFlex), tack coats, ADA-compliant detectable warning products, traffic signs, and a full line of sealcoating and striping equipment from manufacturers such as Graco and Cimline. The core manufacturing technology is a precision colloid mill process with batch-level quality control testing, production run logging, and weekly statistical outlier analysis performed at every plant. Through the 2017 AIM consortium partnership, the company extends its effective catalog to over 500 SKUs manufactured by partner regional producers.

GemSeal's revenue model is product-based, selling consumables in packages from one gallon to bulk tankers, complemented by equipment sales, a referral-based equipment financing program with Ascentium Capital, and free online material calculator tools that drive contractor demand. Go-to-market combines direct field sales from manufacturing plants, company-owned retail showrooms, independent regional distributors across more than ten US states and Canada, and active participation in industry trade shows such as the National Pavement Expo, APWA PWX, and RFMA. End customers are organized into three primary verticals: paving and sealcoating contractors, commercial property and facility managers, and government and public works agencies.

Name

GemSeal

Legal name

GemSeal Pavement Products

Website

https://gemsealproducts.com

Company type

Private

Founded year

1960

Operating status

Operating

Headcount range

101–250 employees

Short description

GemSeal is a US manufacturer and distributor of pavement preservation products, including sealers, crack sealants, traffic paints, and application equipment, serving contractors, property managers, and government agencies through nine manufacturing plants, company-owned retail stores, and independent distributors across the US and Canada.

Ownership category

akta.pro rank

Product category

Pavement Preservation Products

NAICS

Asphalt Paving, Roofing, and Saturated Materials Manufacturing (32412)

SIC

Asphalt Paving & Roofing Materials (2950)

akta.pro primary industry

Tile, Natural Stone & Porcelain Surface Care (Non-Grout Focus) (HSAEAOAI)

akta.pro secondary industry

Surface Preparation Equipment (Shot Blasting, Scarifiers, Grinders) (IMAHALAL)

Keywords

• Pavement sealers
• Asphalt preservation
• Crack sealants
• Traffic marking paints
• Sealcoating equipment

Headquarters

HQ city

Charlotte

HQ country

United States

HQ region

North America

Offices26 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Pavement Sealer Products: Sale of pavement sealers including coal tar-based (PolyTar, FedSpec), petroleum-based (Black Diamond, Black Diamond XL), and asphalt emulsion (Guardian AE, Guardian PM) sealers. Products are sold in various package sizes from gallon to 55-gallon drums and bulk.
2. Crack Sealants and Fillers: Hot applied and cold pour crack sealants and fillers including Crack-Flex Pro, Dura-Fill P.L., and related products for pavement crack repair.
3. Traffic Marking Paints: Traffic marking paints including ProStripe Plus waterborne acrylic paint and ProStripe MX high performance traffic paint for parking lots, roadways, and airfields.
4. Equipment and Tools: Sale and distribution of sealcoating equipment (skid units, trailer units, squeegee units), crack sealing equipment (melters, pour pots), striping machines (Graco LineLazer), blowers, and related tools and accessories.
5. Equipment Financing: Partnership with Ascentium Capital to provide financing and leasing for application equipment. GemSeal earns referral/finance income through this partnership.
6. Material Calculator Services: Free online calculators for seal coat, crack sealant, striping, mastic, vertical and horizontal tank measurements to help contractors estimate material needs.

Pricing tiers

Go-to-market motion3 records

Distribution channels5 records

Marketing channels10 records

Core offering

GemSeal manufactures, supplies, and specifies pavement preservation products for commercial, industrial, and government applications throughout the United States and Canada. The product range includes pavement sealers (coal tar, petroleum-based, and asphalt emulsion formulations), sealer additives, primers, patch and crack-fill materials, traffic marking paints, ADA-compliant detectable warning products, and application tools and equipment, sold through company-owned One Stop Shop retail stores, regional manufacturing facilities, and an independent distributor network.

Product overview

GemSeal is a pavement preservation products company offering a comprehensive portfolio of sealers, crack sealants, additives, traffic marking paints, equipment, and tools for commercial and industrial asphalt maintenance applications. The product lineup centers on multiple sealer brands (Black Diamond, Black Diamond XL, Fed Spec, Guardian AE/PM, PolyTar) serving different performance needs and regulatory requirements. These core sealers are complemented by complementary products including crack fillers (Crack-Flex Pro, Dura-Fill P.L.), additives (GuardFlex), tack coat, and traffic paints (ProStripe Plus, ProStripe MX). The company also distributes specialized equipment (sealcoating rigs, paint stripers, melters, blowers) and tools (brushes, squeegees, asphalt tools, lutes), plus ADA-compliant detectable warning products (AlertTile, AlertCast, RediMat) and traffic safety signs. Products are available through One Stop Shop retail locations and a network of distributors throughout the United States and Canada.

Differentiator

Problem solved

Functional benefit

Brands

• Black Diamond: High-performance petroleum-based asphalt sealer alternative to coal tar and asphalt emulsion sealers, with superior durability and color stability.
• Black Diamond XL
• FedSpec
• FedSpec HS
• PolyTar
• Crack-Flex Pro
• Dura-Fill P.L.
• Guardian AE
• Guardian PM
• GuardFlex
• ProStripe Plus
• ProStripe MX

Products and services

• Black Diamond Petroleum-based high-performance pavement sealer designed as an alternative to asphalt emulsion and refined tar sealers, offering fuel resistance, color stability, durability, and weatherproofing with low VOC (less than 100 g/L). Sold to contractors, property managers, and government agencies for asphalt preservation.
• Black Diamond XL Premium heavy-duty polymer-modified petroleum-based emulsion pavement sealer with a cross-linked high molecular weight polymer, providing enhanced durability, adhesion, elasticity, and resistance to gas and oil. Sold to commercial and industrial pavement maintenance customers.
• Fed Spec / Fed Spec HS Premium refined tar emulsion sealer concentrate (with Fed Spec HS high-solids variant) for commercial applications, providing excellent durability and protecting asphalt from oil and gas damage. Sold to contractors, property managers, and government agencies.
• Guardian AE Chemically reinforced asphalt emulsion pavement sealer with enhanced adhesion properties delivering superior bond and long-lasting durability, with low VOC (less than 100 g/L). Used by contractors and property managers for asphalt preservation.
• Guardian PM Polymer-modified asphalt emulsion pavement sealer providing outstanding adhesion, flexibility, and durability in a water-based low-VOC formula (less than 50 g/L). Sold to commercial pavement maintenance customers.
• PolyTar Polymer-modified coal tar pavement sealer providing twice the durability of conventional asphalt pavement sealers, with enhanced wear resistance, fuel resistance, and flexibility. Sold to contractors and property managers.
• GuardFlex Additive for sand suspension during application that provides uniform appearance of pavement coating, promotes greater adhesion, and locks in sand for extended wear. Sold alongside sealers to contractors.
• Crack-Flex Pro Economical one-part hot applied crack sealant designed for asphalt and concrete pavements, meeting ASTM D6690 Type I and II standards. Sold to contractors and government agencies for pavement crack repair.
• Dura-Fill P.L. Premium hot applied crack and joint sealant with excellent bonding qualities for asphalt or concrete pavements, featuring rapid melt, self-leveling, and quick setup. Sold to contractors and public works.
• Tack Coat Asphaltic emulsion used as a tack coat to provide better coating adhesion on asphalt pavement surfaces, serving as a bonding agent between new and old bituminous asphalt. Sold to paving contractors and government agencies.
• ProStripe Plus Fast-dry waterborne acrylic traffic paint with 100% acrylic binder; environmentally friendly, lead-free, and low-VOC, designed for airless walk-behind stripers. Sold to contractors and property managers for parking lot and roadway line striping.
• ProStripe MX High performance fast-dry traffic paint with superior adhesion, cohesion, flexibility, durability, and glass bead retention, blended with specialized hardened natural mineral for improved abrasion and skid resistance. Sold to contractors and government agencies for parking lot, roadway, and airfield striping.
• Sealcoating Equipment Full line of sealcoating equipment including skid units (SK 575-2000 Pro-Air), trailer units, portable/agitated units, squeegee units, and custom truck mounts. Distributed to contractors through One Stop Shop stores and equipment financing partners.
• Paint Stripers Professional paint striping machines including Graco LineLazer 3400, LineLazer IV 3900, and LineLazer IV 5900 for parking lot and highway striping applications. Sold to contractors and government agencies.
• Melters Hot applied crack sealant melters including Direct Fire Melters (10-55 gallon), MA-10 Melter/Applicator, pour pots, and crackbanders. Sold to contractors for crack sealing operations.
• Blowers Pavement blowers including Billy Goat Force II (6-18 hp) and Little Wonder Optimax (9-14 hp) models for debris removal before sealcoating. Sold to contractors.
• Traffic Signs High-quality aluminum traffic signs with premium engineering grade or high-intensity prismatic reflective sheeting, available in many sizes meeting MUTCD requirements. Sold to contractors, property managers, and government agencies.
• AlertTile Glass reinforced thermoset composite detectable warning tile engineered for superior impact resistance, slip resistance, and long-term durability for ADA-compliant retrofit applications. Sold to contractors and property managers.
• AlertCast Reinforced thermoset composite detectable warning system with truncated domes for ADA compliance, offering superior impact and slip resistance with easy concrete installation. Sold to contractors and property managers.
• RediMat Detectable warning mat with proprietary pre-applied adhesive system enabling installation in less than 10 minutes, suitable for asphalt or concrete surfaces. Sold to contractors and property managers.
• Preformed Thermoplastic Tape Durable reflectorized thermoplastic tape quick and easy to install by heat fusing, available in 30ft rolls (90 mils) in various widths and colors. Sold to contractors and government agencies.
• Brushes, Squeegees & Tools Complete line of pavement maintenance tools including brooms, crack hoes, edging brushes, hand tampers, power brushes, squeegees, and handles in various sizes. Sold to contractors.

Quantifiable outcome

• PolyTar provides twice the durability of conventional asphalt pavement sealers
• +1 more outcomes

Named customers8 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Nine partnerships are on record, tiered major and core.

• American Industrial Manufacturers of Building Materials (AIM)majorStrategic or Co-development Partner · 20 October 2017GemSeal became a partner with AIM, a national consortium of seven regional manufacturing companies. The partnership provides expanded distribution, complementary product portfolio, and shared manufacturing best practices across over 500 products.
• Jackson Asphalt Sealcoat SupplycoreChannel Partner/ Reseller/ Distributor · 10 October 2017Family-owned West Tennessee distributor providing FedSpec refined tar sealer, additives, and related tools and supplies. Located at 2212 Hwy 70 E in Jackson, TN.
• Aldrich Tool Rental, Inc.coreChannel Partner/ Reseller/ Distributor · 14 July 2016Florida distributor carrying GemSeal line of pavement preservation products including sealers, additives, striping paints, and related sealcoating supplies. Located at 1601 Congress Avenue in West Palm Beach, FL. In business since 1959.
• Sealcoating Supplies, Inc.coreChannel Partner/ Reseller/ Distributor · 8 July 2016San Antonio distributor owned and operated by Nancy Navarette. Experienced and knowledgeable pavement maintenance products distributor who helped customers transition from coal tar products after San Antonio ban.
• ActionsealcoreChannel Partner/ Reseller/ Distributor · 18 September 2015Canadian distributor in Ontario with new locations planned for 2016 in other Canadian provinces. Provides FedSpec refined tar emulsion asphalt sealer, cold pour crack fillers, and sealer additives with same-day processing and speedy delivery capabilities.
• FreshCoat Sealcoating, Line Striping & Crack SealingcoreChannel Partner/ Reseller/ Distributor · 22 April 2015Vermont distributor providing GemSeal pavement preservation products to homeowners and businesses in Chittenden, Washington, and Addison counties. Has been providing pavement maintenance services for over 10 years.
• ConnSeal Pavement SuppliescoreChannel Partner/ Reseller/ Distributor · 25 March 2015Connecticut distributor offering GemSeal pavement preservation products. Located at 170 Freight Street in Waterbury, CT. Differentiates by offering only the very best pavement maintenance supplies.
• Surface Coatings Co.majorStrategic or Co-development Partner · 1 December 2012Acquired by GemSeal in December 2012. Michigan-based manufacturer of asphalt maintenance products including Seal-Pave, Seal-Pave AE, and Seal-Pave Blend. Merged with GemSeal's New Boston facility. Continues to focus on sealers and tennis court coatings.
• Professional Pavement Products (PPP)coreChannel Partner/ Reseller/ DistributorHeadquartered in Jacksonville, FL. Incorporated GemSeal University training into ongoing employee education requirements. Six regional offices participated in training at Tampa R&D facility.

Scale indicators6 records

Recent moves13 records

Expansion highlights6 records

Direct peers

• SealMaster: Closest direct peer in pavement sealers, additives, and sealcoating equipment with a multi-plant, franchised-distributor model across the US. GemSeal's own office locations reference the 'SealMaster' brand at several sites, indicating tight operational overlap and shared customer base.
• Crafco: Manufacturer of crack sealants, melters, and pavement preservation products, overlapping with GemSeal's Crack-Flex Pro and Dura-Fill lines and melter/applicator equipment. Targets the same DOT and contractor customer base with comparable distribution.
• Neyra Industries: Long-established US manufacturer of pavement sealers, asphalt emulsions, and tack coats. Direct overlap with GemSeal's petroleum- and asphalt-emulsion sealer lines, serving the same paving contractors and property managers.
• Pavement Coatings Co. West-coast manufacturer of pavement sealers, traffic paints, and crack fillers. Comparable product portfolio to GemSeal's Black Diamond, ProStripe, and crack sealant lines, competing for the same contractor specifications.
• Brewer Company: Manufacturer and distributor of pavement maintenance products, equipment, and supplies across the Midwest and Southeast. Direct overlap with GemSeal on sealers, crack sealants, and sealcoating equipment, often sharing the same contractor customer base.
• Unique Paving Materials (UPM): Manufacturer of cold-mix asphalt, pavement repair products, and sealers. Comparable specialty pavement-preservation manufacturer targeting DOT, municipal, and contractor channels similar to GemSeal's governmental segment.

Broad incumbents

• Seal-Krete / Rust-Oleum (RPM International): Diversified specialty coatings conglomerate with concrete and pavement sealer brands. Competes broadly in the sealer/coatings category and can leverage national distribution and brand budgets that exceed a single-category player like GemSeal.
• PPG Industries: Global coatings manufacturer that supplies traffic marking paints and pavement-related coatings. Overlaps with GemSeal's ProStripe Plus and ProStripe MX lines, particularly on DOT and commercial striping specifications.
• Asphalt Materials / Marathon Petroleum (asphalt division): Large vertically integrated asphalt and emulsion producer that supplies raw materials and finished pavement products. Acts as both an upstream supplier and downstream competitor to GemSeal on emulsion-based sealers.

Emerging players

• SpecChem: Manufacturer of specialty construction chemicals, concrete repair, and pavement maintenance products. Emerging competitor in sealers, patching, and crack repair with growing distribution overlap in the contractor channel.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCjQACXJJ779anWhM2EwK8xQ
• Facebookfacebook.com/GemSealProducts
• LinkedInlinkedin.com/company/gemseal-pavement-products

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about GemSeal