Energy Efficiency

Safeguard’s Stormdry EPC helps landlords meet energy standards Safeguard Europe - the UK’s leading specialist in damp and waterproofing, and

masonry repair solutions - has developed a cost-effective system to improve the energy efficiency of solid-walled properties. The launch of Stormdry EPC comes as the new Minimum Energy Efficiency Standards (MEES) relating to rented properties have taken effect.

The new standards, which originate in The Energy Act 2011, say that from April 1st this year any commercial or residential property that is being let for the first time, or where a lease is renewed, must achieve an Energy Performance Cer- tificate (EPC) of Grade E or above. The rules will extend to cover existing leases from April 2020 for domestic properties and April 2023 for commercial ones.

Historically, properties with solid walls, rather than cavities, have been the most difficult and challenging to insulate. Typically for these properties, 54% of their heat goes through their walls, a figure which can rise for end-of-terrace homes or bungalows.

Stormdry EPC provides landlords - and other property owners - with a cost-ef- fective way to improve the thermal performance of solid-walled properties. It offers an alternative to conventional solutions such as external wall insula- tion (EWI) and standard internal wall insulation (IWI) which can be expensive, disruptive or both.

The system combines two Safeguard technologies to treat a wall both inside and out. Stormdry masonry cream and a ‘skinny’ IWI panel. The result is a system which reduces the U-value of a damp, uninsulated masonry wall from 1.7W/m2K down to 0.87W/m2K.

For a typical mid-terrace property with uninsulated solid walls that has an EPC rating of F, the application of the Stormdry EPC alone would be sufficient to move it up to the E rating required under MEES. For a ground floor flat or a small semi-detached house, the E rating could be achieved with very minor ad- ditional investment such as an insulating jacket for the boiler, energy efficient lighting and draft sealing.


Introducing the Maxi LCD and EVO250 from Vectaire

Stormdry masonry cream can be applied with brush or roller to brick, mortar, sandstone or concrete. It provides a breathable membrane, coating the inside of the pores of the substrate so that water can evaporate out through it but cannot penetrate in. This means that, unlike some competitor products, it can be applied to wet walls because it will allow the water to evaporate out.

Applying Stormdry alone would give a significant energy efficiency boost for properties suffering from rain penetration. A dry brick wall can provide up to twice the thermal insulation of a wet one.

The IWI comes in 13mm-thick flexible panels which can be stuck straight onto existing walls. It is made from a aerogel, which has extremely low thermal conductivity due to its highly porous nature. Its super-slim profile means that a room’s dimensions are barely diminished and that period features do not have to be sacrificed. By using trim beads, it is even possible to leave features such as skirtings and covings in place, rather than having to remove and reinstate them. Once in place, the tiles can be skimmed with plaster.


Vectaire WHHRs - vertical and horizontal - can now be commissioned via an LCD screen.

The upright units - the Midis and the Maxis - offer the option of either an integral LCD or a remote LCD commissioning unit, whilst the in-line EVO250 and Mini can be commissioned using the remote unit.

Thus, the commissioning engineer can easily adjust detailed unit functions including the trickle, purge and boost speeds for each motor, the length of the boost speed over-run


time, the time delay before the boost speed kicks in, holiday mode, night- time boost inhibitor times etc.

The user can see the speed at which the fan is operating, the relative humidity etc, and when the filters need replacing.

The user can also set the unit to holiday mode for energy saving when the dwelling is not occupied.

These units are among the most innovative, efficient and effective on the market today - and are all manufactured in the UK.

Tel: 01494 522333 WWW.VECTAIRE.CO.UK 26

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