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WPL UK

Rooftop Support Structures.
Engineered in the UK.

Free-standing support frames and plant decks for rooftop screening and mechanical plant. Project-specific structural calculations and wind load analysis included as standard.

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SUPPORT FRAMES AND PLANT DECKS

Support Structures for Plant Screens, Rooftop Plant and Facade Systems

Load-bearing steel structures for rooftop screening and facades, including ballasted systems for roofs where the membrane cannot be penetrated, and plant decks that spread equipment weight safely across the building structure. Ballasted, cantilevered and fixed systems, all with independently validated structural calculations, wind load analysis and ballast calculations included as standard, supporting specification and building control approval. Compatible with the full WPL range: louvres, acoustic systems, rainscreen, security screens and brise soleil

Rooftop plant screening with louvre system and city skyline backdrop
Calculated for Your Site,
Documented in Full

Structural calculations, wind load analysis and ballast weights, independently validated on every project.

Datasheets Overview
Fixed roof-mounted louvre screening surrounding rooftop plant equipment
Rooftop ballasted system

Manufactured by
WPL UK Ltd, Bolton

For over 35 years, WPL UK have designed and manufactured bespoke louvre and facade systems from our Bolton facility. Our support structures are fabricated in-house from pre-galvanised steel, with aluminium and stainless steel options, and finished to any RAL colour or mill galvanised.

WPL’s management systems are independently audited and UKAS accredited across all three ISO standards: ISO 9001 (quality), ISO 14001 (environmental), and ISO 45001 (health and safety). Full traceability from manufacture to installation. Certifications available for tender compliance.

Accreditation logos including Achilles BuildingConfidence, UKAS Management Systems (ISO 9001), LPCB, Once For All Health & Safety, Constructionline Gold Member, and Secured by Design.
Support Structure Specification

Engineered in Bolton, Documented in Full

We pick up where your structural engineers leave off: every frame is engineered to your site, with spans, wind loads and ballast calculated and documented so specification and building control approval run clean.

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No Roof Penetration, Retro-Fit Ready

Ballasted and cantilevered systems sit on the roof without touching the membrane, ideal for retro-fit on existing buildings where penetrations are not permitted. Raked support struts transfer lateral load to the ballast, on a non-slip membrane that protects the roof finish.

Structural Calculations as Standard

Project-specific structural calculations, wind load analysis and ballast weight calculations, independently validated and included with every system. Documentation ready for building control.

Spans to 3m, Heights up to 3m

Modular I-beam posts and horizontal rails span up to 3000mm between posts at up to 3000mm tall, covering perimeter screening, plant screening and facade applications.

Carries the Full WPL Range

One structure, any WPL system on top: louvres, acoustic panels, rainscreen, decorative panels, security rated screens and balustrade. Screen and structure from a single manufacturer.

Plant Decks Eliminate Point Loads

The WPL PD distributes rooftop plant weight evenly across the building structure on beams at 600mm centres. Equipment can be positioned anywhere on the deck without structural constraint.

Material and Finish Options

Pre-galvanised steel as standard, with aluminium and stainless steel options for coastal and corrosive environments. Powder-coated to any RAL colour to BS 6496, or mill galvanised. Warranty up to 10 years.

Technical Datasheets for Support Structures and Plant Decks

Full specifications for every system in the WPL supporting structures range. Structural calculations included as standard.

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WPL SF B

Free Standing Ballasted Support Frame
Max Span: 3000mm
Max Height: 3000mm
Mounting: Ballasted, no roof penetration

Free-standing frame ballasted with strategically placed weight. Carries perimeter and plant screening on roofs where the membrane cannot be penetrated.

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WPL SF C

Cantilevered Free Standing Support Frame
Max Span: 1500mm
Max Height: 2500mm
Cantilever Angle: 45° to 60°

Compact cantilevered base with concrete ballast. The free-standing answer where roof penetrations are difficult and best avoided.

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WPL SF F

Fixed Roof Mounted Support Frame
Max Span: 3000mm
Max Height: 3000mm
Mounting: Fixed via flitch plate and base connector

Bolted directly to the existing structure for a secure, low-profile interface, with engineered stools into pitch pockets for simple weathering. For sites where the structure can carry the load and penetration is acceptable.

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WPL PD

Plant Deck
Beam Centres: 600mm
Mounting: Free-standing, no roof penetration

A load-distribution raft for rooftop plant. Eliminates dangerous point loads and pairs with the SF B frame for a complete screened plant enclosure.

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Discuss Your Support Structure Project

Talk to our technical sales team about spans, wind loads, ballast or specification. We typically respond within one working day. Call +44 1204 395955, email sales@wpluk.com or complete the form below.

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WPL logo
WPL UK Ltd manufactures architectural screening, louvre systems, and facade solutions from our Bolton facility. 35 years of UK manufacturing with full engineering support.

Units 6 & 8, Dunscar Business Park, Bolton BL7 9PQ, United Kingdom

T: 01204 395955
E: sales@wpluk.com

Company

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Accreditation logos including Achilles BuildingConfidence, UKAS Management Systems (ISO 9001), LPCB, Once For All Health & Safety, Constructionline Gold Member, and Secured by Design.

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  • Home
  • Products
    • Acoustic Louvres & Acoustic Products
      • Screening Acoustic Louvre
      • Solid Panel Acoustic Screen
      • Acoustic Enclosure
    • Security Rated Louvre Doors & Screens
      • Security Louvres
      • SR2 Louvre Door
      • PAS 24 Louvre Door
      • Sub Station Louvre Door
    • Security Fencing
      • Security Rated Fencing
      • Decorative Steel Fencing
    • Louvre Systems
      • Louvre Door
      • Screening Louvres
      • Security Louvres
      • Turret Louvres
      • Weather Louvres
    • Decorative Rainscreen
      • Solid Screen
      • Perforated Screen
      • Picture Perf Screen
      • Mesh Screen
      • Decorative Fencing
    • Supporting Structures
      • Fixed Roof Mounted
      • Free Standing
    • Brise Soleil
      • Aerofoil
      • Flat Blade
      • Perforated Panel
      • Box Section
  • About
    • Company Overview
    • Certifications
    • Vision and Mission
    • Carbon Reduction
    • CSR
    • CPD
    • News
    • Careers
  • Projects
  • Contact