What VoidSpan Technologies, LLC does

VoidSpan Technologies, LLC is a Salem, Massachusetts-based specialty manufacturer founded in 2011 that supplies a complete restoration system for existing masonry structures. The company's core offering combines proprietary pozzolan-lime (PHL/PHLc) grouts and natural cement formulations with a patented stainless steel Port Anchor injection system, enabling contractors to inspect, clean, pre-dampen, and grout internal voids in historic brick, stone, and early concrete construction. Port Anchors are custom-fabricated by Cintec America under a longstanding co-development partnership, and the product line extends from 100-series binders through 600-series injection grouts and 1100-series aggregate extenders, complemented by specialty installation tools (pressure pots, jet cleaning wands, standpipe piezometers, steam generators). The company serves masonry contractors and restoration specialists as primary buyers, with architects, structural engineers, and institutional owners (universities, government facilities, religious and civic landmarks) as specifiers and end customers. Notable completed projects include the Statue of Liberty National Historic Site (Fort Wood), NJ Statehouse, Harvard Medical School (Gordon Hall), Lehigh University U/C Tower, Smith College Nielson Library, Cathedral of Saint John the Divine, and Bristol Armory. VoidSpan operates a direct-to-customer e-commerce storefront for standard products with publicly listed unit pricing ($45-$185 per pail, volume discounts above 20 units, bulk super-sacks) and a contact-driven sales process for custom Port Anchors and tools. Go-to-market is sales-led, supported by technical documentation, case studies, and a contractor certification and training program. The company is privately held by its founders, has no external institutional capital, and operates with 1-10 employees across North America.

Name

VoidSpan Technologies, LLC

Legal name

VoidSpan Technologies, LLC

Website

https://voidspan.com

Company type

Private

Founded year

2011

Operating status

Operating

Headcount range

1–10 employees

Short description

VoidSpan Technologies is a Salem, MA specialty manufacturer that supplies proprietary pozzolan-lime grouts, natural cement formulations, and patented stainless steel Port Anchors for the structural restoration of existing historic masonry buildings, serving contractors, architects, and institutional owners across North America.

Ownership category

akta.pro rank

Product category

Masonry Restoration Products

NAICS

Cement Manufacturing (327310), Cement and Concrete Product Manufacturing (3273)

SIC

Cement, Hydraulic (3241)

akta.pro primary industry

Mortar, Grout & Masonry Cements (IMADABAL)

akta.pro secondary industries

Cementitious Binders & Additives (Fly Ash, Slag, Silica Fume, Lime) (IMADAAAH), Tile & Grout Repair (Cracks, Loose Tiles, Regrout) (HSAGAGAA)

Keywords

• Masonry restoration products
• Structural anchoring systems
• Historic preservation materials
• Injection grout supplies
• Mortar and binders

Headquarters

HQ city

Salem

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Product Sales: Direct e-commerce sales of specialty grouts, mortars, binders, and aggregates through the company website shop. Products include PHL/PHLc injection grouts, gravity feed grouts, crack fillers, fine pointing mortars, mortar binders, and vacuum-saturated aggregates. Volume discounts available for orders over 20 units. Bulk options include 3,000 lb super-sacks.
2. Custom Port Anchors & Installation Tools: Custom-fabricated stainless steel Port Anchors and specialized installation tools including pressure pots, jet cleaning wands, standpipe piezometers, and steam generators. Products are custom for each project and require direct contact for pricing.
3. Contractor Certification & Training: The company equips, trains, and certifies contractors to effectively use their restoration system. This service supports the product ecosystem.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

VoidSpan Technologies supplies proprietary Pozzolanic Hydraulic Lime (PHL and PHLc) grouts, mortars, and binders, plus the patented stainless steel Port Anchor injection system and specialty installation tools, for the structural restoration of existing masonry buildings. The company also trains and certifies contractors to deploy its integrated restoration system. Products are sold direct to contractors, restoration specialists, and design professionals across North America through an e-commerce shop and project-based custom orders.

Product overview

VoidSpan Technologies offers a unified restoration system combining proprietary Pozzolanic Hydraulic Lime (PHL and PHLc) grouts and mortars with patented stainless steel Port Anchors. The product portfolio includes: injection grouts (600 Series PHLc70, 500 Series Gravity Feed, 6100 PHLc60), crack fillers (400 Series), mortars and binders (100-300 Series), and aggregate extenders (1100 Series EXTEND). These chemical products work in conjunction with VS Port Anchors (manufactured by Cintec America) and supporting installation tools (pressure pots, jet cleaning wands, piezometers, steam generators) to provide a complete masonry stabilization system. The system enables injection grouting, composite anchoring, deep pointing, and localized repair of historic masonry structures.

Differentiator

Problem solved

Functional benefit

Products and services

• 600 Series PHLc70 Injection Grout Finer, injectable self-consolidating grout for filling narrow cracks and voids in historic masonry, and for injecting through VoidSpan Port Anchors; can also be used as a moderate-strength adhesive for bonding stone Dutchmen and broken fragments. Sold by the quart ($65.00) or 5-gallon pail ($171.00, $145.50 at >20 units), with 3,000 lb super-sacks available at bulk discount.
• 500 Series PHLc Gravity Feed Grout Standard ultra-low-shrinkage, flowable self-consolidating grout for gravity feeding of deep cracks and voids in older masonry structures. Sold in 5-gallon pails ($142.50, $121.35 at >20 units), with bulk super-sacks available at discounted pricing on request.
• 400 Series PHLc70 Crack Filler Paste-consistency product designed as a surface filler for cracks on vertical planes. Provided in re-sealable containers and color-matched with dry pigments. Sold by the quart ($69.00) or 5-gallon pail ($185.00).
• 300 Series PHLc Fine Pointing Mortar Ready-to-use mortar for pointing of exceptionally narrow butter joints in 19th-century brick buildings. Sold in 5-gallon pails ($163.00, $138.55 at >20 units).
• 200 Series PHLc Mortar Binder Pozzolan-lime based binder for creating pointing and bedding mortars when mixed with sand, producing low to moderate strength mortars meeting ASTM C270 Type N requirements. Sold in 5-gallon pails ($127.00, $97.00 at >20 units).
• 100 Series PHL Mortar Binder ASTM C1707-compliant pozzolan-lime binder designed to be mixed with local sands, producing 28-day compressive strengths close to ASTM C270 Type O requirements. Sold in 5-gallon pails ($123.00, $93.00 at >20 units).
• 1100 Series EXTEND Vacuum Saturated Expanded Shale Aggregate Vacuum-saturated expanded shale aggregate amendment that floats in suspension within PHLc Gravity Feed Grout, used to extend grout and reduce cost for large-volume fills over 2 inches wide. Sold in 5-gallon pails ($55.00, $45.00 at >20 units), with bulk super-sacks at discount.
• VoidSpan Port Anchors (VS Anchors) Patented stainless steel ties that span internal voids to tie masonry together while providing integral ports for inspection, cleaning, pre-dampening, and grouting. Available in Open Shank and Rodded Shank configurations, custom fabricated by Cintec America, with up to 5,000 lb confinement tension and up to 3,000 lb rolling shear capacity. Custom-priced per project via direct contact.
• Installation Tools Specialty tools including Pressure Pots for moving grout through feeder tubes, Jet Cleaning Wands providing up to 3,000 psi jet power at 90-degree angle within 5/8 in OD, Standpipe Piezometers for pressure control, and Steam Generators for pre-dampening voids in masonry construction. Custom-priced per project via direct contact.
• 6100 PHLc60 Injection Grout Injection grout variant (PHLc60) for filling voids and cavities in historic masonry structures.
• 5200 PHLc Cavity Fill Grout Specialized grout product designed for filling cavities in masonry wall construction.
• Contractor Certification and Training Training and certification service that equips masonry contractors and restoration specialists to effectively use the VoidSpan grout, anchor, and installation tool system on historic masonry projects.

Quantifiable outcome

• All completed projects have performed extremely well with no sign of deterioration or efflorescence
• +3 more outcomes

Named customers14 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration2 records

Feature6 records

Partnerships

Four partnerships are on record, tiered core and minor.

• Cintec Reinforcement Systems / Cintec America, LTDcoreOEM/ Whitelabel/ Licensing Partner · 1 January 2010Cintec manufactures the custom stainless steel Port Anchors for VoidSpan based on VoidSpan's patented design. Port Anchors feature Cintec sock anchors and are optimized for the VoidSpan grout injection system. VoidSpan serves as the supplier of the complete restoration system including Cintec products. The partnership was established when the Port Anchor was invented in 2010 to solve a specific stabilization problem for a 130-foot masonry tower.
• Columbia University (Professor Norman Weiss)coreStrategic or Co-development PartnerProfessor Norman Weiss of Columbia University contributed to grout development for the VoidSpan system. As part of the original development team, he helped create the ultra-low shrinkage pozzolan-lime grout formulations.
• Structures North Consulting Engineers, Inc. (John Wathne, PE)coreStrategic or Co-development PartnerJohn Wathne, PE of Structures North Consulting Engineers was part of the original grout development team. He founded VoidSpan Technologies in 2011 to commercialize the invention. Structures North serves as architect/engineer on VoidSpan projects including the Bristol Armory.
• MCCM Materials Conservation (Irving Slavid)minorStrategic or Co-development PartnerIrving Slavid, formerly of MCCM Materials Conservation, was part of the original grout development team that created the VoidSpan PHLc formulations.

Scale indicators8 records

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• Mapei: Mapei is a global construction chemicals manufacturer with a wide portfolio of mortars, grouts, and restoration products. Comparable as a broad incumbent competing for larger institutional restoration contracts.
• Quikrete: Quikrete is a large manufacturer of concrete, grout, and masonry products serving contractors and DIY. Comparable as a broad incumbent in masonry repair materials, though not specialized in historic restoration.
• Sika: Sika is a global construction chemicals company offering grouts, mortars, and structural strengthening systems. Comparable as a broad incumbent with overlapping capabilities in masonry restoration and structural repair.
• PROSOCO: PROSOCO is a broad manufacturer of masonry cleaning, sealing, and consolidation products used in restoration. Larger and broader in scope than VoidSpan, but serves overlapping institutional and heritage restoration customers.
• BASF Master Builders Solutions: BASF Master Builders Solutions offers a wide range of construction chemicals including grouts and repair mortars. Comparable as a broad incumbent in specialty construction materials.

Direct peers

• Helifix: Helifix produces DryFix ties and other concealed masonry repair anchors that are explicitly listed as compatible with VoidSpan's grouting system. Comparable as a direct peer in retrofit masonry ties and crack-stitching solutions.
• Edison Coatings: Edison Coatings produces custom-formulated restoration grouts, mortars, and coatings for historic masonry and concrete. Comparable as a niche specialty manufacturer serving the same contractor and institutional customer base.
• Cathedral Stone Products: Cathedral Stone manufactures Jahn restoration mortars, grouts, and binders specifically formulated for historic masonry restoration. Closely comparable to VoidSpan's PHL/PHLc product line in addressing the same niche of historic preservation.
• Cintec Reinforcement Systems: Cintec manufactures the custom stainless steel Port Anchors used in VoidSpan's system and also offers its own masonry anchoring and reinforcement solutions. Highly comparable as a direct technical partner and adjacent competitor in structural masonry anchoring.

Regional players

• Stone Restoration Services Inc. Stone Restoration Services is a masonry restoration contractor using similar techniques and materials on historic structures. Comparable through the same customer base and use cases, though as a service provider rather than a product manufacturer.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/voidspan-technologies-llc

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 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 VoidSpan Technologies, LLC