Manthorpe Building Products

Name

Manthorpe Building Products

Legal name

Manthorpe Building Products Limited

Website

https://manthorpebp.co.uk

Company type

Private

Founded year

1984

Operating status

Operating

Headcount range

101–250 employees

Ownership category

akta.pro rank

Headquarters

HQ city

Ripley

HQ country

United Kingdom

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Building Products Sales: B2B sale of plastic building products to UK construction industry through merchant and distributor network. Products include roofing, ventilation, loft access, cavity management, drainage, and biodiversity solutions. One-time hardware sales model with recurring replacement demand.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Manthorpe Building Products designs and manufactures plastic injection-moulded, vacuum-formed and extruded polymer building products for the UK construction industry from its Derbyshire facility. The 200+ product range spans eight categories — roofing (dry-fix verge, ridge and hip systems, GRP valley troughs, roofspace and tile/slate ventilators), wall and floor ventilation, loft and access, air leakage control, biodiversity (Swift and Bat products), drainage, cavity closers and barriers, and cavity trays — sold through independent and national building merchants for use in new build and refurbishment projects by housebuilders and contractors.

Product overview

Manthorpe Building Products is a UK-based manufacturer offering a comprehensive portfolio of building products across eight main categories: Roofing (dry fix verge, ridge & hip systems, GRP valley troughs, roofspace ventilation, and tile/slate ventilators), Wall & Floor Ventilation (through wall vents, underfloor vents, and cavity weep vents), Loft & Access (loft hatches, access panels, fire rated products, and aluminium ladders), Air Leakage (joist seals and radiator pipe guides), Biodiversity (swift nesting bricks and bat ridge roosts), Drainage (A15 and B125 rated channel drainage), Cavity Closers & Barriers (thermal cavity closers, TDI cavity closers, and REDSHIELD® cavity barriers), and Cavity Trays (stepped, horizontal, and lintel trays). All products are British manufactured from the company's Derbyshire facility, with over 200 unique products designed for the UK construction industry spanning from groundwork to roofline applications for new build and refurbishment projects.

Differentiator

Problem solved

Functional benefit

Products and services

• Dry Verge Systems Mechanical verge fixing systems providing robust alternatives to traditional mortar verge fixing, compatible with slate and tile roof profiles and available in PVCu and polypropylene with various colour options. Designed for UK roofing contractors and housebuilders seeking BS 8612-compliant dry fix solutions.
• Dry Ridge and Hip Systems Mechanically secured ridge and hip roofing systems that eliminate the need for wet-fix mortar, including Roll-Out Dry Fix Ridge, Roll-Out Ultra Ridge and supporting components. Tested to BS 8612 and intended for UK roofing contractors and housebuilders.
• GRP Valley Troughs Glass Reinforced Plastic valley troughs offering a lighter alternative to traditional lead troughs, compatible with clay, concrete tile or slate roofs. Available for wet and dry fixing in 70mm and 110mm widths for UK roofing applications.
• Roofspace Ventilation Eaves and roofspace ventilation products including Continuous Roll Panel Vents, Over Fascia Ventilators, Felt Lap Ventilators, Soffit Ventilators, Cross Flow Eaves Panels and combination ventilators. Designed for moisture management in UK roof spaces.
• Tile and Slate Ventilators Comprehensive range of roof tile and slate ventilators in multiple profiles (Non-Profile, Double Roman, Castellated, Double Pantile, Single Pantile, Plain Tile, Slate) with various finish options and flexible pipe accessories for UK pitched roofs.
• Through Wall Vents Through-wall ventilation solutions including Core Drill Ventilators, Thru-Air Air Bricks in various pipe sizes, Aluminium Louvre Vents, Hit & Miss Vents, and Air Brick Flood Defence products for UK walls.
• Underfloor Vents Underfloor ventilation products for voids under suspended concrete and timber floors, including Dual Extended, Telescopic and Stacked Underfloor Vents, Air Bricks, and non-combustible options meeting Part C requirements.
• Cavity Vents and Weep Vents Weep vents providing essential ventilation for internal wall construction and drainage of water that may have entered the cavity. Includes standard, refurbishment and non-combustible metal variants for UK wall construction.
• Loft Hatches Loft access doors offered with various insulation options including expanded polystyrene and polyurethane in multiple thicknesses to achieve different U-values, with integrated catches and draught seals for air tightness compliance.
• Access Panels Range of plastic, metal fire-rated and tile access panels providing access to hidden utilities and services, available in sizes from 100x150mm up to 450x450mm.
• Fire Rated Loft and Access Products Fire-rated loft hatches and access panels providing 1-hour fire resistance independently tested by WarringtonFire, including drop-down and lockable rectangular and square options for UK buildings.
• Joist Seals Sealing caps for built-in joist details in 225mm and 302mm sizes, helping achieve Part L requirements for insulation and air leakage control in UK floor constructions.
• Radiator Pipe Guide and Seals Pipe routing guides and airtight seals for pipework exiting walls behind radiators, including Twin Plate, Single Exit and Face-Fix options for creating secure pipe routes while maintaining air tightness.
• Swift Nesting Bricks Integrated nesting bricks providing safe, spacious habitats for swifts within modern house construction, developed with major housebuilders and conservation experts. Includes standard and Dual Swift Brick options compatible with narrow cavity walls down to 50mm and timber-frame constructions.
• Bat Ridge Roosts Self-contained externally mounted bat roost units providing habitable roost space for small crevice-dwelling bat species, designed in association with the Bat Conservation Trust as part of their Roost Partnership scheme. Available in Round and Angled configurations and compatible with dry verge systems.
• Drainage Channels Channel drainage systems for managing surface water runoff including A15 rated channels for pedestrian areas and B125 rated channels for light vehicle use in private car parking areas and residential driveways.
• Stepped Abutment Trays Modular cavity tray systems for use at pitched roofline abutments, available for brickwork, stonework and blockwork constructions with various coursing options for UK new build and refurbishment.
• Horizontal Abutment Trays Interlocking cavity tray systems for horizontal lean-to style roofline abutments, available for new build and refurbishment details with internal and external corner options.
• Lintel Trays Moisture-resistant barriers fitted at lintel heads designed to stop moisture from penetrating the inner wall, available in 100mm, 163mm and 230mm sizes with adjustable and standard stop ends.
• Thermal Cavity Closers Window and door cavity closers that solve cold bridging problems at door and window reveals, preventing condensation build-up, damp and mould growth. Available with single or double flange configurations for UK wall construction.
• TDI Cavity Closers Thermal and fire-rated cavity closers designed to reduce heat loss and condensation, including multi-width closers (50-100mm and 100-150mm) and insulated DPC options for stone and general cavity configurations. WCMULTICOR150 variant holds a BBA certificate.
• REDSHIELD Cavity Barriers Award-winning REDSHIELD cavity barriers incorporating all required elements for cavity barrier compliance to Part B while also providing thermal closer functionality, available in standard and rebated configurations.

Quantifiable outcome

• Genuit Group reduced more than 54,000 tonnes of CO₂e between 2019 and 2024

Named customers2 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

Feature4 records

Partnerships

Four partnerships are on record, tiered core and minor.

• Data YardcoreTechnology or Integration · 1 March 2026Joined Data Yard, the BMF and NMBS centralised product data platform, to ensure accurate, consistent product information across the supply chain. Supporting Golden Thread, CCPI compliance, and stronger trust with merchants and partners.
• Building Materials Federation (BMF)minorGTM or Marketing Partner · 1 January 2025Joined BMF's Building Materials Careers campaign to address skills shortage in the building materials sector. Campaign promotes career opportunities and attracts new talent to the industry.
• Bat Conservation TrustcoreStrategic or Co-development PartnerPartnership through Bat Conservation Trust's Roost Partnership scheme for development of Bat Ridge Roost products. The partnership provides evidence-based solutions for bat conservation. 10% of Bat Ridge Roost sales are donated to the Trust to support conservation work.
• Major House BuilderscoreStrategic or Co-development PartnerSwift Nesting Brick developed in conjunction with major house builders and conservation experts to provide safe, spacious habitat for swifts within modern house construction.

Scale indicators3 records

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• Wienerberger: European brick and building envelope solutions provider with significant UK presence. Comparable as a large-scale UK building products manufacturer serving housebuilders, with broader category reach.
• BMI Group (Redland): UK and European roofing systems provider including Redland and Icopal brands. Comparable on pitched roofing accessories and dry fix systems, with substantially broader scale and portfolio.
• Catnic: Steel lintel, masonry support, and building components brand within Tata Steel. Comparable as a UK building components manufacturer selling through the same merchant channels, though focused on metal rather than plastic.
• Ibstock: UK brick and building products manufacturer. Comparable as a UK building products manufacturer serving housebuilders and merchants, though primarily focused on clay masonry rather than plastic components.
• Celotex: UK insulation manufacturer owned by Saint-Gobain. Comparable as a UK building envelope product manufacturer targeting Part L compliance, sharing merchant channels and large-housebuilder relationships.

Direct peers

• Polypipe: UK plastic piping and building products manufacturer, also a subsidiary of Genuit Group plc. Directly comparable as a sister company sharing the same parent, customer base, and plastic manufacturing footprint, though focused on plumbing and drainage piping.
• Timloc Building Products: UK plastic building products manufacturer focused on cavity closers, air bricks, and ventilation components. Directly comparable product overlap (cavity management, ventilation) and a similar merchant-led go-to-market in the UK.
• ACO Technologies: UK drainage and building products manufacturer with significant channel overlap in building merchants. Directly comparable on drainage channels, access covers, and surface water management categories.
• Brett Martin: UK and Ireland-based manufacturer of plastic building products including rooflights, drainage, and ventilation components. Directly comparable as a plastic-focused building products manufacturer selling into the same merchant and housebuilder channels.
• Klober: UK and European roofing accessories and ventilation products manufacturer (now part of BMI Group). Directly comparable on roofing ventilation, dry fix systems, and similar merchant-led distribution.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/manthorpebp
• YouTubeyoutube.com/channel/UCsDw9000aG6k33DoX6JZMPw
• Facebookfacebook.com/ManthorpeBuildingProducts
• LinkedInlinkedin.com/company/manthorpe-building-products/posts/?feedView=all
• Instagraminstagram.com/manthorpebp

Compliance7 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 Manthorpe Building Products