Solar Stack

What Solar Stack does

Solar Stack is a privately held US manufacturer of proprietary solar panel mounting systems that eliminate roof penetrations by using code-approved spray polyurethane foam (SPF) adhesive to bond pedestal mounts directly to roof surfaces. Founded in 2018 by Tim Graboski, a Florida roofing contractor since the 1990s, the company is headquartered in Deerfield Beach, Florida, and holds 8 US patents and 3 EU patent registrations covering its adhesive bonding process and rail-free pedestal architecture. The product portfolio spans 8-inch and 12-inch pedestals, flush and tilted configurations (5° and 10°), a tile-roof mount, two foam adhesive variants (SS-Foam and SS-CW cold weather), accessories such as SS-TPO Primer and SS-Coating, and the SS-C4 and SS-C8 conduit mounts launched in April 2025 for HVAC and electrical applications. Differentiated regulatory approvals include Miami-Dade NOA, Florida Product Approval with High Velocity Hurricane Zone (HVHZ) certification valid across all 67 Florida counties, ICC ES Compliance, UL, and cUL certifications, with a 25-year product warranty and engineering compliance for winds up to 180 mph.

The company sells exclusively B2B through a network of 15+ national and specialty distributors (ABC Supply, Wesco, Sonepar, Soligent, Krannich Solar, Greentech Renewables, Rexel, BayWa r.e., and others) and a certified installer program with 100+ approved contractors across Florida, California, Texas, and the Mid-Atlantic. End customers include commercial property owners, manufacturing facilities, cold storage operators, multi-family developers, and residential homeowners with flat or low-slope roofs that cannot accommodate traditional rail-based or ballasted systems. Revenue is generated from hardware sales — primarily mounting pedestals, clamps, adhesives, and accessories — with quote-based pricing through distributors rather than public list pricing. The company is founder-controlled with no disclosed institutional investment and operates with a small team (1-10 employees per firmographic data), supported by a formalized operations leadership structure as of February 2026.

Name

Solar Stack

Legal name

Solar Stack

Website

https://solarstack.com

Company type

Private

Founded year

2018

Operating status

Operating

Headcount range

1–10 employees

Short description

Solar Stack is a Deerfield Beach, Florida-based manufacturer of patented, no-penetration solar panel mounting systems that use spray polyurethane foam adhesive, sold B2B through 15+ distributors and 100+ certified installers to commercial, industrial, and residential customers across hurricane-prone US markets.

Ownership category

akta.pro rank

Product category

Rooftop Solar Mounting Hardware

NAICS

Urethane and Other Foam Product (except Polystyrene) Manufacturing (326150)

SIC

Adhesives & Sealants (2891), Plastics Foam Products (3086)

akta.pro primary industry

PV Mounting & Tracking Systems (Fixed-Tilt, Single-/Dual-Axis Trackers) (EUACAGAD)

akta.pro secondary industry

Solar Roofing & Roof-Mounted PV Systems (IMADAFAO)

Keywords

• Solar panel mounting
• Rooftop mounting pedestals
• Foam adhesive bonding
• Hurricane-rated solar mounts
• Commercial solar hardware

Headquarters

HQ city

Deerfield Beach

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Solar Panel Mounting Hardware: Solar Stack manufactures and sells proprietary mounting pedestals, adhesive products, and accessories (end clamps, mid clamps, conduit mounts) through distributor network. Revenue is generated from product sales to distributors who resell to certified installers.

Pricing tiers

Go-to-market motion2 records

Distribution channels8 records

Marketing channels5 records

Core offering

Solar Stack manufactures and sells a patented, penetration-free solar panel mounting system that uses code-approved spray polyurethane foam adhesive to bond mounting pedestals directly to rooftops. The product line includes the core Solar Stack pedestals (available in 8-inch and 12-inch lengths and in Flush, 5° Tilt, 10° Tilt, and Tile mount configurations), SS-C4 and SS-C8 Conduit Mounts for HVAC and electrical applications, and SS-Foam standard and SS-CW cold weather polyurethane adhesives. Products are manufactured in the USA and distributed to commercial and industrial solar customers through a network of national distributors and certified installers.

Product overview

Solar Stack offers a core solar panel mounting system utilizing patented pedestal technology combined with code-approved spray polyurethane foam adhesive to secure solar panels to rooftops without any roof penetrations. The product portfolio includes the main Solar Stack mounting pedestals available in 8" and 12" lengths, various mount configurations (Flush Mount, 5° Tilt Kit, 10° Tilt Kit, Tile Mount), adhesive products (SS-Foam for standard conditions, SS-CW Foam for cold weather), and accessory products including conduit mounts (SS-C4 and SS-C8) launched in April 2025. The company also provides supporting tools like a Bill of Materials Calculator. All products are designed for damage-free installation that preserves roof integrity and warranties while meeting stringent hurricane resistance standards.

Differentiator

Problem solved

Functional benefit

Products and services

• Solar Stack Mounting Pedestals Patented, penetration-free solar panel mounting pedestal that bonds to flat or low-slope roofs using code-approved spray polyurethane foam adhesive, available in 8-inch and 12-inch lengths and in Flush, 5° Tilt, 10° Tilt, and Tile mount configurations. Targets certified solar installers and commercial/industrial property owners installing rooftop solar on TPO, EPDM, PVC, modified bitumen, BUR, SPF, concrete, metal, and tile roofs in hurricane-rated (HVHZ) and standard North American wind zones.
• SS-C4 Conduit Mount 4-inch penetration-free conduit mount that uses Solar Stack's spray polyurethane foam adhesive to secure conduit, electrical wiring, and HVAC condensation lines to rooftops without drilling or mechanical anchors. Targets HVAC, electrical, and general construction contractors and property owners who need code-compliant, damage-free attachment on flat and low-slope roofs.
• SS-C8 Conduit Mount 8-inch penetration-free conduit mount that uses Solar Stack's spray polyurethane foam adhesive to secure larger-diameter conduit, piping, and HVAC line sets to rooftops without drilling or mechanical anchors. Targets HVAC, electrical, and general construction contractors and property owners needing damage-free attachment on flat and low-slope roofs.
• SS-Foam Standard Adhesive Code-approved, commercial-grade spray polyurethane foam adhesive used to bond Solar Stack mounting pedestals and conduit mounts to rooftops in standard temperature conditions (ambient and roof temperature above 60°F). Expands roughly 3x when sprayed to fill gaps and create a watertight, code-compliant connection. Sold to certified installers and project owners as part of the Solar Stack mounting system.
• SS-CW Foam Cold Weather Adhesive Cold-weather variant of Solar Stack's spray polyurethane foam adhesive, formulated for installation when ambient temperature is above 32°F, enabling Solar Stack pedestal and conduit mount installations in cooler climates and shoulder seasons where standard SS-Foam cannot be applied. Not compatible with tile roofs. Sold alongside standard SS-Foam to certified installers and project owners as a complementary bonding consumable.

Quantifiable outcome

• Installation time reduced by 50% (typical 2-5 day jobs complete in under 24 hours)
• +3 more outcomes

Named customers9 records

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

13 partnerships are on record, tiered industry peer, core, major, regional and certified installer.

• SolarStrapindustry peerStrategic or Co-development Partner · 15 April 2026SolarStrap is mentioned alongside Solar Stack as another manufacturer developing non-penetrative mounting alternatives. Both companies represent innovations in replacing traditional ballasts for rooftop solar installations using different approaches (SolarStrap uses lightweight materials and roofing membrane techniques).
• ABC Supply Co.coreChannel Partner/ Reseller/ DistributorNational building materials distributor serving as primary distribution channel for Solar Stack products to contractor customers across the US.
• WescocoreChannel Partner/ Reseller/ DistributorNational electrical and industrial products distributor reselling Solar Stack products.
• SoneparcoreChannel Partner/ Reseller/ DistributorGlobal electrical distributor operating in US markets, distributing Solar Stack mounting solutions.
• SoligentcoreChannel Partner/ Reseller/ DistributorSolar-specific distribution specialist reselling Solar Stack products to certified installers.
• Krannich SolarcoreChannel Partner/ Reseller/ DistributorSolar distribution specialist with focus on installer networks, distributing Solar Stack products.
• Greentech RenewablescoreChannel Partner/ Reseller/ DistributorRenewable energy distributor reselling Solar Stack products to installation contractors.
• RexelmajorChannel Partner/ Reseller/ DistributorGlobal electrical supplies distributor serving as distribution channel for Solar Stack products.
• BayWa r.e.majorChannel Partner/ Reseller/ DistributorRenewable energy distributor serving solar installers with Solar Stack products.
• PowerStoreregionalChannel Partner/ Reseller/ DistributorRegional distributor carrying Solar Stack products.
• GEXPROregionalChannel Partner/ Reseller/ DistributorElectrical distributor reselling Solar Stack products.
• Independent Electric SupplyregionalChannel Partner/ Reseller/ DistributorRegional electrical distributor carrying Solar Stack products.
• Solcium Solarcertified installerChannel Partner/ Reseller/ DistributorCertified Solar Stack installer, 20th certified installer in Florida state. Completed credentialing process to offer Solar Stack systems to customers.

Scale indicators5 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• S-5!: Metal-roof attachment specialist whose non-penetrating clamps compete with Solar Stack's metal-roof-compatible adhesive mount for the same light-commercial and metal-building solar projects.
• Sunmodo: U.S.-based manufacturer of residential and commercial solar mounting hardware selling primarily through distributors; offers rail-based and ballasted alternatives targeting the same flat-roof and low-slope commercial segment Solar Stack serves.
• Quick Mount PV: Manufacturer of solar roof attachments and mounts for pitched and tile roofs; competes with Solar Stack's tile-mount configuration and shares commercial installer customers.
• Unirac: Major U.S. solar mounting systems manufacturer offering ballasted and rail-based rooftop solutions widely distributed through solar wholesalers and competing directly for the same commercial flat-roof projects Solar Stack addresses.
• K2 Systems: European-headquartered solar mounting manufacturer with U.S. presence offering rail-based roof systems; competes on the same flat-roof commercial solar project pipeline and overlaps with Solar Stack's EU patent footprint.
• Ecolibrium Solar: Ballasted commercial rooftop solar racking manufacturer targeting flat-roof projects with low-slope membranes — directly substitutable with Solar Stack's no-penetration system in the same commercial-reroof / warehouse retrofit segment.
• SolarStrap: Direct peer explicitly named in Solar Stack's data as a developer of non-penetrative rooftop solar mounting alternatives using lightweight materials and roofing membrane techniques, targeting the same no-penetration, no-ballast commercial-roof use case.
• IronRidge: Leading U.S. solar racking and mounting hardware manufacturer serving residential and commercial installers through distributors like Wesco and Krannich — same channel structure and customer base, though IronRidge's products are rail-based and penetrate roofs.
• PanelClaw: Manufacturer of ballasted and rail-based PV mounting systems for commercial flat-roof projects in North America; competes head-to-head with Solar Stack on commercial installer bids where ballast vs. adhesive economics matter.

Broad incumbents

• GameChange Solar: Large-scale solar tracker and fixed-tilt mounting manufacturer with a broad commercial/utility portfolio; competes with Solar Stack only where projects could pivot from rooftops to ground-mount, but its scale and pricing influence market expectations.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/solarstack
• LinkedInlinkedin.com/company/official-solar-stack

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

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 Solar Stack