EWI Insulation Boards: The UK Contractor’s Guide to External Wall Systems
The UK retrofitting sector is currently operating under intense regulatory pressure. If you are a contractor upgrading the thermal performance of an existing solid brick property, building control is going to demand a maximum U-value of 0.30 W/m²K to comply with Part L of the Building Regulations. Achieving this target without triggering internal damp issues […]
Celotex GA4000: The General Purpose PIR Insulation Guide for UK Builders
Walk onto almost any active building site in the UK, from a high-end bespoke new build down to a weekend garage conversion, and you will inevitably spot the familiar foil-faced boards stacked in the corner. Celotex GA4000 has cemented its position as the default insulation board for British tradesmen. The reason for this dominance is […]
VPI Render in the UK: A Practical Guide to Monocouche and EWI Systems
The UK rendering market is notoriously loyal to a handful of legacy brands, but loyalty does not always equal performance. Over the last few years, contractors and architects have begun quietly shifting their specifications away from the old guard. The reason is simple: modern site conditions demand materials that are highly workable, consistent from bag […]
Celotex PL4000: The Contractor’s Guide to Insulated Plasterboard
Time is money on a building site, and few things eat up labour hours quite like internal wall insulation. In the past, bringing an older UK solid brick property up to modern thermal standards meant building an independent timber stud wall, cutting PIR boards to fit between the studs, laying a vapour barrier, and then […]
Ceresit Insulation Suppliers: The UK Guide to Ceretherm EWI Systems
When an architect specifies Ceresit for an External Wall Insulation (EWI) project, or an experienced renderer insists on it, they are doing so for a very specific reason. They are not looking for the cheapest foam board on the market. They are looking for absolute structural reliability. The frustration for many tradespeople in the UK […]
EWI Wall Insulation: The Complete UK Guide to External Retrofits (2026)
If you own a solid-wall property built before the 1920s, you already know the reality of British winters. You can pump as much gas into the central heating as you like, but the heat bleeds straight out through the brickwork. Unlike modern homes with cavity walls that can be cheaply filled with blown beads, solid […]
EcoTherm Insulation: The Complete Guide to PIR Thermal Efficiency
Walk onto any active building site in the UK, and you will see stacks of foil-faced boards waiting to be fitted. Rigid PIR insulation has become the absolute standard for meeting modern Building Regulations, and EcoTherm is one of the names you will see most often at the merchant’s yard. But if you are planning […]
YBS Multifoil Insulation: The No-Nonsense Guide to Space-Saving Thermal Performance
If you have ever been tasked with bringing a Victorian terrace loft up to modern building standards, you know the primary enemy is rarely the cold. It is a lack of space. By the time you factor in the required depth of traditional mineral wool or rigid PIR boards necessary to satisfy today’s strict Building […]
EWI Insulation Boards: The 2026 UK Guide to Choosing the Right Kit
It is no secret that keeping a property warm in the UK right now is an expensive game. If you are living in or working on an older solid-wall property, you already know the drill. You turn the thermostat up, the boiler works overtime, and half that heat just bleeds straight out through the brickwork. […]
VPI Monocal Render: The Ultimate Trade & Homeowner Guide
If you’ve been around a building site in the UK lately, you’ll know that the demand for “through-coloured” render has absolutely skyrocketed. People are tired of the old sand-and-cement cycle of cracking and painting every three years. They want a finish that looks like natural stone and stays that way. Among the top-tier options, VPI […]