What A Proctor Group does

A. Proctor Group Ltd. is a privately held UK manufacturer of specialty thermal, acoustic, and membrane building envelope products, headquartered in Blairgowrie, Scotland, operating across five divisions and serving the construction industry for over 80 years (with the company itself dating to 1987). Its core technology spans meltblown polypropylene vapour-permeable membranes, silica aerogel thin insulation (Spacetherm), reflective foil laminates, and self-adhered airtight systems, with the patented Wraptite system combining vapour permeability and airtightness in a single externally-applied membrane as a flagship differentiator. The portfolio is supported by extensive third-party certifications (BBA, KIWA, BM TRADA, Passive House Institute, CCPI) and is organised into vapour permeable membranes, airtightness solutions, air and vapour control layers, façade solutions, thermal and acoustic products, and ground gas protection membranes.

The company operates a sales-led B2B go-to-market, distributing through UK construction merchants and specialist stockists, listing products on NBS Source for architectural specification, and providing direct technical sales support on larger commercial and international projects. Customer segments span small and medium housebuilders, commercial and high-rise contractors, architects and specifiers, retrofit coordinators, and international projects (including Muscat Airport and Dubai Tram). Revenue is generated through hardware sales at unlisted project-specific pricing; no public revenue, funding, or ownership disclosures exist. Recent strategic activity has focused on fire-rated façade systems for the post-Grenfell relevant-buildings regulatory segment and on positioning for offsite/modular construction.

Name

A Proctor Group

Legal name

A. Proctor Group Ltd.

Website

https://proctorgroup.com

Company type

Private

Founded year

1987

Operating status

Operating

Headcount range

51–100 employees

Short description

A. Proctor Group is a privately held UK manufacturer of specialty vapour-permeable membranes, airtightness systems, aerogel insulation, and façade products, serving architects, contractors, and housebuilders through merchants, NBS specification platforms, and direct technical sales.

Ownership category

akta.pro rank

Product category

Building Envelope Construction Products

NAICS

Rubber and Plastics Hoses and Belting Manufacturing (326220)

SIC

Plastics Products, Nec (3089), Gaskets, Packg & Sealg Devices & Rubber & Plastics Hose (3050)

akta.pro primary industry

Insulation & Air/Vapor Barrier Systems (Thermal, Acoustic, WRB/AVB) (IMAFAMAD)

akta.pro secondary industries

Air Sealing Membranes, Tapes & Gaskets (Air Barriers) (IMADAGAI), Vapor Retarders & Vapor Barrier Films (IMADAGAJ)

Keywords

• Vapour permeable membranes
• Construction building membranes
• Thermal insulation products
• Airtightness solutions
• Building envelope solutions

Headquarters

HQ city

Blairgowrie

HQ country

United Kingdom

HQ region

Europe

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. Construction Membrane and Insulation Product Sales: The A. Proctor Group generates revenue through the manufacture and sale of thermal, acoustic, and membrane products to the construction industry. Products are sold through merchants, specialist distributors, and directly to contractors and housebuilders. The company serves both domestic and international markets with products for roofing, walls, floors, facades, and ground gas protection applications.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels7 records

Core offering

A. Proctor Group manufactures and supplies technical thermal, acoustic, and membrane construction products for the building envelope. The portfolio spans vapour permeable roofing and wall membranes, self-adhered airtight membranes, air and vapour control layers, fire-rated facade membranes, aerogel and foil-based thermal insulation boards, acoustic floating floor systems, and ground gas protection membranes. Products are specified by architects and contractors for residential, commercial, high-rise, retrofit, and ground gas applications in the UK and international markets.

Product overview

A. Proctor Group Ltd. is a construction product manufacturer serving the industry for nearly 50 years with an extensive portfolio of thermal, acoustic and membrane products organized into five divisions. The product portfolio comprises three main categories: Vapour Permeable Membranes (including Proctor Air®, Wraptite®, Probreathe® A2/A2 Air, Wraptite® UV, Facadeshield® UV/FR Class B, Proctorwrap®/Reflect, FramePro® W1), Air & Vapour Control Layers (Procheck® A2/FR200/Adapt/500/300/125, Reflectatherm® Plus, Profoil 861), and Thermal & Acoustic Solutions (Spacetherm® aerogel insulation including A1, Wallboard, Directfix, Multi, Cold Bridge Strip, Window Reveal Board, Wall Liner; Wraptherm® multi-foil; Ravatherm™ XPS boards; Profloor acoustic flooring range). Additional offerings include Ground Gas Protection products (Protech GM Super/PP, Provoid, Protech VOC Flex/Radon 400), Facade Solutions (Proctor A1 Cement Board, Fireshield®), Plusboard/Plusfloor insulation, and comprehensive tape accessories. The company provides technical support services including U-value calculations, WUFi calculations, thermal bridging calculations, and ground gas system design.

Differentiator

Problem solved

Functional benefit

Products and services

• Proctor Air® Air and vapour permeable roofing membrane with meltblown core technology that allows natural air movement to supercharge moisture vapour passage, making condensation formation virtually impossible. Features Sd-value of 0.015m and 15-year warranty, BBA certified for cold non-ventilated and warm non-ventilated pitched roofs.
• Wraptite® Patented self-adhered vapour permeable airtight membrane combining vapour permeability and airtightness in one externally applied product for walls, roofs, and floors. Certified by the Passive House Institute with Class B-s1,d0 fire rating.
• Probreathe® A2 A-rated breather membrane with airtight woven glass fibre membrane and PU coating for external walls, rainscreen facades, and high-rise applications. Achieves A2-s1,d0 reaction to fire classification when installed free-hanging or onto A2-s1,d0 substrate.
• Probreathe® A2 Air Air permeable breather membrane with woven glass fibre construction designed for water resistance and breathability in external walls and rainscreen facades, providing A2-s1,d0 fire classification.
• Wraptite® UV Class B-s2,d0 fire rated self-adhered membrane specifically designed for use behind open jointed cladding, combining vapour permeability and airtightness with UV resistance and Class W1 water resistance for shadow appearance in open rainscreen facades.
• Facadeshield® UV UV resistant breather membrane designed for open jointed facades, combining water and UV resistance with anti-glare dark colour providing shadow appearance with Class B fire performance.
• Proctorwrap Reflect® Reflective breather membrane with water resistant non-woven polypropylene and foil faced laminate providing R value of 0.71, enhanced foil surface for improved thermal resistance in timber and steel frame structures, BM TRADA certified.
• Proctorwrap® Spunbonded polypropylene film laminate breather membrane for timber frame wall and light steel frame applications with W1 water penetration resistance, allowing controlled escape of vapour while restricting rain and moisture ingress.
• FramePro® W1 Vapour permeable, airtight wall underlay with W1 water resistance, flexible composition resists punctures and tears during installation, designed to replace conventional breather membranes while increasing airtightness.
• Wrapseal® Interface Membrane Flexible interface membrane for creating durable airtight and weathertight seals around windows, doors, and facade openings within the building envelope. Self-adhered construction replacing traditional EPDM solutions, with Class B-s2,d0 fire rating over cement based sheathing.
• Procheck® A2 A2 fire-rated air and vapour control layer with BS EN 13501-1 classification of limited combustibility, clear lacquered aluminium surface with emissivity less than 0.05, BBA certified for walls, roofs, and floors.
• Procheck® FR200 Fire-rated air and vapour control layer with B-s1,d0 reaction to fire classification, used as vapour control layer in roof and wall structures to improve energy efficiency and reduce condensation risk.
• Procheck® Adapt Variable-permeability vapour control layer that adapts to humidity changes, becoming more resistant in Winter and more permeable in Summer to protect building fabric from condensation while serving as an effective airtight barrier.
• Procheck® 500 Reinforced polyethylene vapour control layer with vapour resistance of 533MNs/g, woven extruded polypropylene multifilament scrim reinforcing provides improved nail tear resistance, translucent for ease of installation.
• Procheck® 300 Lightweight reinforced polyethylene vapour control layer with vapour resistance of 336MNs/g, woven polypropylene multifilament scrim reinforcement provides good resistance to tears and punctures.
• Procheck® 125 Lightweight reinforced polyethylene vapour barrier with vapour resistance of 126MNs/g, suitable for low/medium risk applications such as infrastructure and light commercial buildings.
• Reflectatherm® Plus Reflective high resistance air and vapour control layer with R value of 0.72 m2 K/W when used with minimum 19mm service cavity, Sd Value of greater than 150m, for internal walls, ceilings, and floors, BM TRADA certified.
• Profoil 861 Heavyweight reinforced vapour control layer with aluminium foil core providing vapour resistance greater than 7000 MNs/g, aluminium foil protected by polyethylene for corrosive environments such as chlorine in swimming pools.
• Facadeshield® FR Class B Vapour-permeable monolithic membrane for external wall constructions with B-rated fire classification to EN 13501-1 (Euroclass B-s1,d0), W1 water resistance, tested to 5000 hours UV exposure with maximum 12 months exposure time during construction.
• Proctor A1 Cement Board A1 non-combustible external grade 'score and snap' cement board with mesh reinforced facings, 12.5mm thickness, lighter weight than cement particle boards, compatible with Wraptite membrane for relevant buildings, KIWA certified to BS EN12467.
• Spacetherm® A1 Flexible silica aerogel-based insulation of limited combustibility with A1 fire classification maintained up to 200mm thickness (20 layers), water vapour diffusion open and hydrophobic, used for exterior and interior applications including facade systems and window reveals.
• Fireshield® Vapour permeable walling underlay with intumescent coated surface, Class B, s1-d0 fire classification, intumescent coating helps protect substrate by reducing fire risk and reducing droplet and smoke formation, for rainscreen/facade construction.
• Spacetherm® Ultra thin aerogel insulation for retrofit and newbuild applications, used for space-critical applications requiring high thermal performance.
• Wraptherm® Multi-foil insulation product for thermal and acoustic solutions in roofs, walls, and floors.
• Ravatherm™ XPS (extruded polystyrene) thermal insulation boards for roofing and walling construction projects.
• Protech Radon 400 Ground gas membrane specifically designed for radon gas protection with 400 performance level designation.
• Protech GM Super Ground gas protection membrane with super performance rating for methane, carbon dioxide, and radon protection applications.
• Protech GM PP Polypropylene ground gas protection membrane for ground gas barrier applications.
• Protech VOC Flex Ground gas membrane designed for VOC (Volatile Organic Compounds) protection with flexible construction.
• Provoid Ground gas protection void former product for ground gas management systems.
• Plusboard Thermal insulation board product within the company's product range.
• Plusfloor Flooring insulation product within the company's product range.
• Wraptite Tape Airtight, tear resistant tape with high vapour permeability for internal and external applications, operating temperature range -40°C to +100°C, can be left exposed for up to 120 days.

Quantifiable outcome

• U-values down to 0.18W/m2K achievable with Proctorwrap Reflect in standard timber frame applications
• +4 more outcomes

Named customers6 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• DuPont Tyvek: DuPont Tyvek is the global market-leading brand of vapour-permeable wall and roof underlays and air barriers, directly competing with Proctor Air, Proctorwrap, FramePro and Wraptite across UK and European construction specifications.
• SIGA: SIGA is a Swiss specialty manufacturer of high-performance airtightness membranes, vapour control layers and sealing tapes (e.g., Majcoat, Intello), competing head-to-head with Wraptite and the Procheck AVCL range in premium, airtightness-driven construction specifications.
• pro clima (Moll bauökologische Produkte): pro clima is a German specialist in intelligent vapour control and weather-resistive barrier systems (e.g., DB+, INTELLO), directly comparable to Procheck Adapt variable-permeability AVCLs and the wider Proctor Group airtightness system offering.
• Protect Membranes: Protect Membranes is a UK-based manufacturer of vapour-permeable roofing underlays, wall membranes and AVCLs, offering directly overlapping SKUs (e.g., Fortex, Wallshield, Reflective) to Proctor Air, Proctorwrap and Procheck in UK housebuilding and commercial projects.
• Bauder: Bauder is a UK-headquartered manufacturer of flat-roof and pitched-roof waterproofing, vapour-permeable underlays and thermal insulation systems, directly comparable with Proctor's vapour-permeable membranes, AVCLs and roofing accessory portfolio.

Broad incumbents

• Kingspan Group: Kingspan is a global building envelope and insulation major (insulated panels, rigid insulation, building envelope boards); its technical insulation and breather membrane lines overlap with Proctor's thermal and membrane portfolio, but as part of a much wider product set.
• Soprema: Soprema is a global waterproofing, insulation and building envelope systems manufacturer; its roofing membranes, vapour barriers and facade solutions provide broad-incumbent overlap with Proctor Group's WRB, AVCL and facade product categories.
• IKO: IKO is an international roofing and waterproofing systems manufacturer (single-ply, shingles, built-up felt, insulation) selling into the same UK and European construction specification channels as Proctor Group's vapour-permeable membranes and AVCLs.
• Saint-Gobain (CertainTeed / ISOVER): Saint-Gobain is a global construction materials major with insulation, membranes and facade systems; its CertainTeed and ISOVER ranges overlap with Proctor Group's thermal and AVCL categories as part of a much larger portfolio.

Others

• Cabot Corporation (aerogel): Cabot produces the underlying silica aerogel technology (e.g., ENOVA aerogel particles/blankets) used in Proctor Group's Spacetherm insulation range; Cabot is an enabling raw-material supplier rather than a direct envelope-product competitor.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/proctorgroup
• Facebookfacebook.com/proctorgroup
• LinkedInlinkedin.com/company/a--proctor-group-ltd-

Compliance16 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 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 A Proctor Group