This is a cache of https://www.paroc.com/en-gb/designer-page-technical-insulation. It is a snapshot of the page as it appeared on 2026-02-02T14:35:29.392+0000.
Efficient Designing for Technical Insulation | Paroc
Paroc

For those of you working with design and specification in HVAC, Paroc offers comprehensive guidance to ensure that technical insulation meets applicable requirements. 

Our HVAC Products Specification Guide and Thickness Guide help you avoid common calculation and design errors that can lead to costly installation issues. Even small inconsistencies in insulation thickness can significantly impact performance, which is why following industry standards like BS5422:2023 is essential. Avoiding costly mistakes is as simple as choosing a supplier who guarantees to provide reliable, high-quality, and fully tested stone wool insulation. Make sure you’re always using consistent, high-quality stone wool insulation that you can trust.

Specification & Guides

HVAC Design

UK HVAC Products Specification Guide, image

UK HVAC Products Specification Guide

The PAROC HVAC Products Specification Guide provides clear, practical guidance for designing and specifying HVAC insulation systems. It covers installation recommendations, insulation extent, material restrictions, and Paroc material options, as well as detailed specifications for internal and external pipework and ductwork across circular, square, and rectangular systems. The guide also includes insulation finishes and product specification details—giving specifiers a complete, reliable reference in one place.

UK Thickness Guide, image

UK Thickness Guide

Technical insulation is not just about wrapping pipes or ducts – it’s a calculated decision that affects energy efficiency, compliance, and long-term performance. A small oversight in product thickness specifications can snowball into major project delays and expenses. This is why specifiers and installers alike need to prioritize accuracy and consistency from the outset.

At Owens Corning®, Paroc®, we understand how critical this aspect is.

That’s why we’ve developed a comprehensive UK Thickness Guide – a reliable resource designed to help you choose the correct insulation thickness every time, with confidence.

PAROC Calculus 

PAROC Calculus is a technical insulation calculation program for dimensioning thermal insulation for various applications in the HVAC and Process industries.

PAROC Calculus features:

• Easy-to-use interface; works on PCs, tablets, and cellphones

• Calculations of heat losses, surface temperatures, and temperature drop in pipes, ventilation ducts, process industry tanks, valves, and flanges

• Simple input of pipe diameters and duct dimensions (predefined)

• Correcting for thermal bridges of pipe and duct suspensions

• Print calculations as a PDF. Multiple simultaneous printouts in PDF are possible

• Saving projects and customizations (for registered users)

• Calculations based on the ISO 12241:2022 standard

Go to PAROC Calculus
Screenshot of Paroc Calculus software interface showing insulation calculation results for HVAC applications

BIM Plug-in

BIM-aided (Building Information Modelling) design of HVAC and process industry installations has become standard for professionals specifiers throughout Europe. PAROC takes the management of a development project to a whole new level by introducing the first ever tool which enables intelligent, fully automated selection of the insulation solutions for the project

Go to BIM plug-in
Warning: This video contains flashing images that could trigger seizures for people with photo sensitivity.

NBS Source

Browse and specify Paroc products using NBS Source directly.

Specify now

Related Articles

Hvac thermal Pipe insulation

The Ultimate Guide to Pipe Insulation: More Than Just Thermal Conductivity

Discover why PAROC stone wool HVAC pipe insulation outperforms—it's about internal structure, regulatory compliance and real energy savings, not just thermal conductivity.
Read more
Water Pipe Insulation in HVAC systems

The Critical Role of Water Pipe Insulation in HVAC systems: Performance, Compliance and Efficiency

Insulation makes all the difference to efficiency and compliance. Chilled water pipe insulation, thermal pipe insulation, non-combustible pipe insulation.
Read more
stone wool pipe insulation

Is Your Pipe Insulation Compliant with UK Building Regulations?

How to choose the best pipe insulation for your project while meeting the legal standards. Covering BS 5422:2023 Part L, Part B and sustainable standards.
Read more

Contact Paroc Technical Insulation

Where to Buy
Contact Us