Re-usable filters
Illustrated Guide to Ventilation (BG 2/2009), compiled by Kevin Pennycook and published by BSRIA in 2009, states: ‘In certain applications, non-disposable filters are preferable because of high contaminant concentrations. High dust-loads can require regular filter changes, or the use of a foam filter which can easily be removed and cleaned. Re-usable filters are often used in kitchens to trap grease and prevent it building up in ductwork. Metal filters are non-flammable, heat conducting and can act as flame-arresters. Mesh filters are coarse panel filters made of several layers of wire mesh that can be coated with oil to improve the dust collection and holding ability. Foam and metal mesh filters both work on the straining filtration principle, and tend to be classified as EU1 or EU2. Both types are cleaned in warm soapy water and re-coated with oil if required. The ability to re-use the filters means that they are often installed where normal fibre panel filters are unsuitable, such as in mesh filters above grilles in kitchens. Metal mesh filters are not oil-coated when installed in kitchen cooking extract systems.’
--BSRIA
[edit] Related articles on Designing Buildings
Featured articles and news
Design and construction industry podcasts
Professional development, practice, the pandemic, platforms and podcasts. Have we missed anything?
C20 Society; Buildings at Risk List 2025
10 more buildings published with updates on the past decade of buildings featured.
Boiler Upgrade Scheme and certifications consultation
Summary of government consultation, closing 11 June 2025.
Deputy editor of AT, Tim Fraser, discusses the newly formed society with its current chair, Chris Halligan MCIAT.
Barratt Lo-E passivhaus standard homes planned enmasse
With an initial 728 Lo-E homes across two sites and many more planned for the future.
Government urged to uphold Warm Homes commitment
ECA and industry bodies write to Government concerning its 13.2 billion Warm Homes manifesto commitment.
From project managers to rising stars, sustainability pioneers and more.
Places of Worship in Britain and Ireland, 1929-1990. Book review.
The emancipation of women in art.
Call for independent National Grenfell oversight mechanism
MHCLG share findings of Building Safety Inquiry in letter to Secretary of State and Minister for Building Safety.
The Architectural Technology Awards
AT Awards now open for this the sixth decade of CIAT.
50th Golden anniversary ECA Edmundson awards
Deadline for submissions Friday 30 May 2025.
The benefits of precast, off-site foundation systems
Top ten benefits of this notable innovation.
Encouraging individuals to take action saving water at home, work, and in their communities.
Takes a community to support mental health and wellbeing
The why of becoming a Mental Health Instructor explained.
Mental health awareness week 13-18 May
The theme is communities, they can provide a sense of belonging, safety, support in hard times, and a sense purpose.
Mental health support on the rise but workers still struggling
CIOB Understanding Mental Health in the Built Environment 2025 shows.
Design and construction material libraries
Material, sample, product or detail libraries a key component of any architectural design practice.