Knowledge Hub

Mineral Wool Pipe Insulation — Complete UK Guide
Mineral wool pipe insulation is the standard choice for high-temperature heating and steam pipework. This guide covers Rockwool Rocklap, BS5422 thickness requirements, installation, and the key differences between mineral wool... Read more...
Vapour Barriers for Pipe Insulation — Complete Guide
The vapour barrier is the most critical element of cold pipe insulation. This guide explains the μ value, dew point, which materials provide an effective vapour barrier, and the installation... Read more...
Pipe Insulation for Outdoor Use — Complete UK Guide
Outdoor pipe insulation must withstand UV, rain, frost, and mechanical damage. This guide covers Armaflex Tuffcoat, Armaflex HT Solar, aluminium cladding, frost protection, underground pipework, heat pump outdoor connections, and... Read more...
Chilled Water Pipe Insulation — Complete UK Guide
Chilled water pipe insulation requires closed-cell elastomeric foam with a continuous vapour barrier. This guide covers material selection, BS5422 thickness requirements, design ambient conditions, and the critical installation details that... Read more...
Part L Compliance for Pipe Insulation — Complete UK Guide
Part L of the Building Regulations requires all heating and hot water pipework to be insulated to BS5422 minimum thicknesses. This guide explains what Part L requires, which projects it... Read more...
What Thickness Pipe Insulation Do I Need? — Complete UK Guide
Not sure what thickness pipe insulation you need? This complete guide covers BS5422 minimum thicknesses for heating, chilled water, cold water, and heat pump pipework — with reference tables for... Read more...
How to Prevent Condensation on Copper Pipes — Complete Guide
Condensation on copper pipes causes dripping, mould, and corrosion. This complete guide explains why it happens, why standard foam lagging fails, and how to prevent it with closed-cell elastomeric foam... Read more...
Pipe Insulation for Heat Pumps — Complete UK Guide
A complete guide to pipe insulation for heat pumps in the UK — covering refrigerant lines, outdoor UV protection, BS5422 thickness requirements, Building Regulations, and recommended products for ASHP and... Read more...
BS5422 Explained — The Complete Guide to Pipe Insulation Thickness in the UK
BS5422 sets the minimum pipe insulation thickness requirements for UK buildings. This complete guide explains what it covers, how to read the thickness tables, which materials qualify, and how to... Read more...
Top 7 Benefits of Pipe Insulation for Refrigeration Engineers
Top 7 Benefits of Pipe Insulation for Refrigeration Engineers: cut energy losses, prevent condensation, boost system reliability and extend equipment life Read more...
Energy-Efficient Insulation: Cut Costs in Commercial Properties
Energy-Efficient Insulation: Cut Costs in Commercial Properties with smart upgrades that slash energy bills, boost comfort and improve building performance Read more...
Outdoor Pipe Insulation: Complete Weather Protection Guide
Outdoor Pipe Insulation: Complete Weather Protection Guide to prevent freezing, corrosion and costly heat loss in any climate Read more...
How to Prevent Pipe Freezing in Commercial Buildings
How to Prevent Pipe Freezing in Commercial Buildings with proven strategies to protect assets, avoid downtime and keep critical systems running all winter Read more...
Thermal Pipe Insulation: Reduce Heat Loss in HVAC Systems
Thermal Pipe Insulation: Reduce Heat Loss in HVAC Systems and boost efficiency with proven materials, design standards and installation best practices Read more...
UV-Resistant Pipe Insulation for Solar Heating Systems
Boost efficiency and system lifespan with UV-Resistant Pipe Insulation for Solar Heating Systems, engineered to withstand harsh outdoor exposure Read more...
Armaflex EVO Class O: Why Contractors Choose This Foam Insulation
Armaflex EVO Class O: Why Contractors Choose This Foam Insulation for superior fire safety, long-term performance and compliant HVAC installations Read more...
Ultimate Pipe Insulation Thickness Guide Smart Pipe Insulation UK Tips
Ultimate Pipe Insulation Thickness Guide Smart Pipe Insulation UK Tips to cut heat loss, prevent freezing and boost efficiency in any domestic system Read more...
The Complete Guide to Campervan Insulation — Armaflex Home Kits Explained
Everything you need to know before insulating your campervan — from choosing the right Armaflex Home thickness and kit type, to finding the perfect fit for your van size and... Read more...
Pipe Lagging vs Pipe Insulation — Is There a Difference?
Pipe lagging and pipe insulation are used interchangeably in the UK — but is there actually a difference? We explain the history, the terminology and what it means when buying... Read more...
54mm Pipe Insulation Guide: Sizes, Materials & Wall Thickness
Everything you need to know about 54mm pipe insulation — materials, wall thickness selection, BS 5422 compliance and installation advice from the UK's specialist pipe insulation supplier. Read more...
Copper Pipe Sizes Explained — OD, Nominal Bore & Insulation Sizing Guide
A complete guide to UK copper pipe sizes — explaining outside diameter (OD), nominal bore, standard sizes and how to select the correct pipe insulation bore for each pipe size. Read more...
Conservatory Insulation Tips for Year-Round Comfort
Conservatory Insulation Tips for Year-Round Comfort that cut heat loss, reduce glare and stabilise temperatures, turning your glass room into a truly usable space Read more...
Armaflex Self-Adhesive Tape: Fast Sealing for Perfect Joints
Armaflex Self-Adhesive Tape: Fast Sealing for Perfect Joints in HVAC and plumbing, boosting efficiency, preventing condensation and ensuring durable insulation Read more...
76mm Pipe Insulation Guide: Sizes, Materials & Wall Thickness
Everything you need to know about 76mm pipe insulation — materials, wall thickness selection, BS 5422 compliance and installation for large bore commercial and industrial pipework. Read more...