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Aerogel Explained

Aerogel is the world’s lightest solid material; in its raw form its composition is over 90% air.

A highly effective insulator, it has the lowest thermal conductivity of any solid known to man, and has broken over 15 world records. Aerogel was first created by scientist Samuel Stephens Kistler in 1931, the result of a bet with a colleague over who could replace the liquid in “jellies” with gas without causing shrinkage.

It has been used in thousands of applications since its invention, for example NASA – National Aeronautics and Space Administration discovered that in its raw form, aerogel was capable of collecting stardust from space.

The history of aerogel is pretty fascinating, but what’s amazing is how it is used in everyday life to solve real problems for people everywhere.

The name ‘aerogel can be misleading however, as it is in fact, a dry, rigid solid. The name stems from the fact that aerogel is derived from a wet gel, the liquid component having been replaced by a gas in most cases.

The result of this process is a solid with extremely low density, and crucially, very low thermal conductivity. The conductive insulation properties of aerogel are unrivalled.

The A. Proctor Group Ltd. Group’s Spacetherm® Aerogel combines a silica aerogel with fibres to produce a flexible blanket solution.

We have a range of Spacetherm® Solutions for retrofit and new builds.

Private house retrofit, Sutton Coldfield

“The simplicity of the product was key. Spacetherm® Multi could be installed directly to the external wall and window reveals. As long as the wall was reasonably level then there was no need to use timber battens, which would have negated the space-saving benefits of the aerogel’s thermal performance.

“I swapped quite a few emails with the A.Proctor Group technical and sales teams. They were very responsive. Every time I submitted a different U-value calculation, I got a prompt reply.”

Ian Hurst, Retrofit Coordinator

Does Cold Bridging Matter?

How the Changes to Part L Affect Airtightness and Thermal Bridging - Image - 2

Whether we call it thermal bridging, cold bridging the result is the same potential cold areas in buildings where heat leaks out easier than other well insulated areas.

If it is only localised, do we need to worry if we have the rest of the building well insulated? Unfortunately, yes, not only will the building lose heat but the bridge could lead to condensation and even mould on the inside surface. Even window reveals have shown that not insulating the reveal can have dramatic effect eg a study showed that using 140mm of insulation on the walls only and not the reveals could be compensated by only 60mm insulation in the walls with the reveals insulated.

It is not just reveals that need to addressed. As buildings become increasingly more energy efficient the smaller cold bridges are highlighted even more, we are all becoming aware of the effects of airtightness and we treat that appropriately but we need to be addressing the cold bridges to have a more holistic thermal performance.

Products

Spacetherm® A1 – Non-Combustible Aerogel Insulation cover image

Spacetherm® A1 – Non-Combustible Aerogel Insulation

Spacetherm® – Thin and High Performance Aerogel Insulation cover image

Spacetherm® – Thin and High Performance Aerogel Insulation

Spacetherm Cold Bridge Strip cover image

Spacetherm Cold Bridge Strip

Spacetherm Window Reveal Board cover image

Spacetherm Window Reveal Board

Spacetherm Wallboard cover image

Spacetherm Wallboard

Spacetherm Directfix cover image

Spacetherm Directfix

Spacetherm Multi cover image

Spacetherm Multi

Wraptherm® – Airtight Insulated Membrane cover image

Wraptherm® – Airtight Insulated Membrane

Spacetherm Wall Liner cover image

Spacetherm Wall Liner

Profloor Dynamic Batten – Acoustic Flooring Battens cover image

Profloor Dynamic Batten – Acoustic Flooring Battens

Profloor Micro Deck 17 – T&G MDF and Open-Cell Foam Laminate with Closed-Cell Edge Support cover image

Profloor Micro Deck 17 – T&G MDF and Open-Cell Foam Laminate with Closed-Cell Edge Support

Profloor Dynamic Deck 26 – T&G Chipboard and Open-Cell Foam Laminate with Closed-Cell Edge Support cover image

Profloor Dynamic Deck 26 – T&G Chipboard and Open-Cell Foam Laminate with Closed-Cell Edge Support

Profloor Solo Deck 23 – T&G Chipboard and Composite Foam Laminate cover image

Profloor Solo Deck 23 – T&G Chipboard and Composite Foam Laminate

Profloor Solo Batten cover image

Profloor Solo Batten

Profloor Excel Batten cover image

Profloor Excel Batten

Ravatherm™ – High-Performance Thermal Laminate cover image

Ravatherm™ – High-Performance Thermal Laminate

Plusboard cover image

Plusboard

Plusfloor cover image

Plusfloor

Recent Projects

How Can Aerogel be Used to Insulate Existing Concrete Floors? cover image

How Can Aerogel be Used to Insulate Existing Concrete Floors?

Spacetherm® Multi bathroom retrofit cover image

Spacetherm® Multi bathroom retrofit

Spacetherm WL – Paris cover image

Spacetherm WL – Paris

Spacetherm® WL – London SE22 cover image

Spacetherm® WL – London SE22

Spacetherm WL – SE London cover image

Spacetherm WL – SE London

Spacetherm WL – London cover image

Spacetherm WL – London

Spacetherm Wall Board – Historic Building cover image

Spacetherm Wall Board – Historic Building

Spacetherm® Multi – Bath cover image

Spacetherm® Multi – Bath

Thermal & Acoustic Solutions
Product Information