New Insulation standards for grant funding

PAS2035:2019 / PAS2030:2019

The grant funded Energy Efficiency Industry has undergone some changes recently around the installation practices for fabric and heating improvements in homes. From 1st July 2021 all ECO and other central Government funded Energy Efficiency will be installed using PAS2035:2019 (Design) and PAS2030:2019 (Installation)

New Energy Efficiency Industry changes From 1st July 2021 all ECO and other central Government funded Energy Efficiency will be installed using PAS2035:2019 (Design) and PAS2030:2019 (Installation)

PAS 2035:2019
Design for Energy Efficiency

PAS 2035:2019 was sponsored by BEIS in response to the Each Home Counts review and is the key document in a framework of standards on how to conduct effective energy retrofits of existing buildings covering design and specification and installation Energy Efficiency Measures (EEM) retrofit projects. The standard drives the 'whole house approach' including the 'fabric first' methodology.

PAS 2035:2019 is split into different phases all happen before any install works are completed.

The Retrofit Assessor

Completes an assessment including an Occupancy Assessment, an Energy Assessment and a Condition assessment. These elements will allow the Retrofit Coordinator to provide an improvement plan for the property.

The Retrofit Coordinator

The Retrofit Coordinator is the key point of the Retrofit process. They will develop a Medium-Term improvement plan which will look over a period of 25 years based on the Assessors information. This plan will include the design and specification and provide the go ahead for the install to start. Its important to note that the Retrofit Co-ordinator should always act in the best interest of the property owner

Retrofit Designers & Advisors

Retrofit Designers will undertake the design improvement element of the process especially those that comprise multiple improvement functions. Retrofit Advisors will explain how potential improvements will reduce energy use.

PAS2030:2019
The Installation

PAS 2035 is linked to PAS 2030:2019, which is the new industry specification, replacing PAS 2030:2017, and is the standard to which all energy efficiency installers must be certificated and compliant for various grant funded programmes.

To meet this new standard, to access grant funding, we need to make sure that homes are suitably ventilated when we install insulation. We must make sure that home are thermally insulated but have adequate air flow. Ultimately resulting in a healthier living space.

Insulating homes, also known as a Fabric Improvement, will likely make the air inside warmer and more prone to hold moisture, additional ventilation may now be required throughout the property.

Every home is different but there are certain requirements that need to be taken into consideration.

We may need to install Background Ventilation in habitable rooms and wet rooms. These could be wall vents, a simple installation where a vent is installed into the top of the wall in the room, allowing air to travel in and out of the property on demand.
While wall vents are our preferred option Trickle Vents may also be installed, these are essentially a simple ventilation hole drilled through the existing window surround. We recommend these are installed by your glazier. Undercuts may be needed to doors to allow air to travel around the house. This gap needs to be around 10mm when the door is shut. (That's about the same width as a pencil).

 

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