Roof Bolts

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Roof bolts are heavy duty structural fixings used in applications where strength, load distribution and long-term reliability are essential. They are commonly specified in roofing systems, structural frameworks and construction assemblies where components must be securely fixed and able to withstand movement, weight and environmental stress.


At Duchy Fasteners, a practical range of roof bolts and associated structural fixings is held in stock to support construction, industrial and maintenance projects across Cornwall and the wider UK. Customers can purchase directly from the trade counter or order online for fast courier delivery.

What Is a Roof Bolt?

A roof bolt is a structural fastener designed to secure roofing components or structural elements to a supporting framework. Roof bolts are typically used in situations where loads must be transferred safely through the fixing into the structure beneath.


They are often paired with washers and nuts to spread load evenly and improve holding strength. Depending on the application, roof bolts may be used in timber, steel or mixed-material assemblies.


Correct specification of roof bolts is essential to ensure safety and long-term performance.

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Roof Bolts Held in Stock

Duchy Fasteners stocks roof bolts suitable for a range of construction and structural applications.

The roof bolt range includes:


  • Structural bolts suitable for roofing assemblies

  • Bolts compatible with load spreading washers

  • Matching nuts for secure fixing

  • Options suitable for external and internal use

These fasteners are available in common sizes to support roofing, framework and general construction work..

Typical Uses for Roof Bolts

Roof bolts are commonly used in roofing installations where components must be securely fixed to resist wind load, movement and weight.


Typical applications include industrial and agricultural buildings, steel framed structures, timber roof assemblies, canopies and covered walkways. They are also used in maintenance and repair work where existing roofing fixings require replacement or reinforcement.


Their strength and reliability make roof bolts suitable for both new installations and refurbishment projects.

Strength and Load Performance

Roof bolts are designed to provide strong clamping force and dependable load transfer. When installed correctly with appropriate washers and nuts, they help distribute load evenly across roofing materials and structural members.


Selecting the correct bolt diameter, length and grade is essential to ensure performance under load and resistance to loosening caused by vibration or weather exposure.


Roof bolts should always be specified in line with structural requirements and installation conditions.

Materials and Corrosion Considerations

Roof bolts are often exposed to weather and environmental conditions. Duchy Fasteners supplies roof bolts suitable for both internal and external use, allowing customers to specify fixings based on exposure and durability requirements.

For outdoor roofing applications, corrosion resistance is an important consideration. Correct material and finish selection helps extend service life and reduce maintenance.

Trade Counter Supply in Cornwall

Customers can purchase roof bolts directly from the Duchy Fasteners trade counter at Cornwall Business Park. This allows trade professionals to inspect bolts, confirm sizes and collect fixings immediately.


The trade counter service is ideal for urgent roofing work, site repairs and construction projects where access to correct fixings is essential. Knowledgeable staff are available to assist with selecting suitable roof bolts where required.

Online Ordering and UK Delivery

Roof bolts are also available to order online with courier delivery across Cornwall and the rest of the UK. This service supports customers working on remote sites or managing projects across multiple locations.


Online access to the same stock range ensures consistent availability for repeat orders and national supply needs.

Why Choose Duchy Fasteners for Roof Bolts

Duchy Fasteners specialises in fixings and fastenings rather than general building supplies. This focus allows the business to stock reliable structural bolts used in real-world construction environments.


Customers choose Duchy Fasteners for dependable availability, practical stock ranges and flexible purchasing options through local collection or online delivery. This makes it a trusted supplier for roof bolts and structural fixings.

FAQs About Roof Bolts

What are roof bolts used for?

They are used to secure roofing components and structural elements to supporting frameworks.

Are roof bolts suitable for structural applications?

Yes, roof bolts are designed for load bearing and structural use when specified correctly.

Can roof bolts be used outdoors?

Yes, roof bolts are commonly used in external roofing applications when suitable materials and finishes are selected.

Can I buy roof bolts locally in Cornwall?

Yes, roof bolts are available from the Duchy Fasteners trade counter in Scorrier.

Do you deliver roof bolts across the UK?

Yes, roof bolts can be ordered online and delivered nationwide.

How Does This Affect Your Project?

Using the correct roof bolts is essential for safety, durability and long-term performance in roofing and structural applications. By sourcing roof bolts from Duchy Fasteners, customers benefit from specialist stock, reliable availability and flexible purchasing options.


Whether working on new construction or roofing maintenance, Duchy Fasteners provides roof bolts designed to deliver secure fixing where it matters most.