Uses of wood ash
Contents |
[edit] Introduction
Wood ash is the powder residue left after the combustion of wood. It can be used for both gardening and around the home. Used in various forms such as dust or paint, it is useful for many areas of the house.
Wood ash paint is one of the most environmentally friendly paints, formulated to provide a high performance with a high-quality depth of colour and finish.
[edit] Properties
Ash contains phosphorus, potassium, calcium, boron and other elements which contribute to the healthy and strong growing of plants. Its properties make it a highly useful material for cleaning within the interior of buildings, and for the healthy growth of soil in the garden and outside areas.
[edit] Benefits of wood ash
Wood ash brings numerous benefits for the user:
- Environmentally friendly and child safe.
- Moisture and stain resistant.
- Suitable for all areas of the house including kitchens and hallways.
- Quick drying.
- Can be used for both wood and metal materials.
- Very tough and durable.
[edit] Common uses
There are a wide variety of uses for wood ash:
- Fertilising: Wood ash is an organic fertilizer, enriching agricultural soil nutrition. Through adding potassium and calcium carbonate, it neutralises acidic soils.
- Deterring pests. Wood ash acts as a desiccant, drying up garden pests, so it can be used to keep pests at a distance from the stems and roots of plants.
- Polish silver: Wood ash is a natural polish, and when mixed with water, creates a paste which will both clean and buff silver to shine.
- Cleaning fireplaces: Wood ash is an abrasive and alkaline material which can be used to clean fireplaces effectively.
Wood ash is used for a variety of uses, and being a cost-effective method, it is a popular product for gardeners as it is a good source for potash.
[edit] Related articles on Designing Buildings Wiki
Featured articles and news
Futurebuild and UK Construction Week London Unite
Creating the UK’s Built Environment Super Event and over 25 other key partnerships.
Welsh and Scottish 2026 elections
Manifestos for the built environment for upcoming same May day elections.
Advancing BIM education with a competency framework
“We don’t need people who can just draw in 3D. We need people who can think in data.”
Guidance notes to prepare for April ERA changes
From the Electrical Contractors' Association Employee Relations team.
Significant changes to be seen from the new ERA in 2026 and 2027, starting on 6 April 2026.
First aid in the modern workplace with St John Ambulance.
Ireland's National Residential Retrofit Plan
Staged initiatives introduced step by step.
Solar panels, pitched roofs and risk of fire spread
60% increase in solar panel fires prompts tests and installation warnings.
Modernising heat networks with Heat interface unit
Why HIUs hold the key to efficiency upgrades.
Reflecting on the work of the CIOB Academy
Looking back on 2025 and where it's going next.
Procurement in construction: Knowledge hub
Brief, overview, key articles and over 1000 more covering procurement.
Sir John Betjeman’s love of Victorian church architecture.
Exchange for Change for UK deposit return scheme
The UK Deposit Management Organisation established to deliver Deposit Return Scheme unveils trading name.
A guide to integrating heat pumps
As the Future Homes Standard approaches Future Homes Hub publishes hints and tips for Architects and Architectural Technologists.
BSR as a standalone body; statements, key roles, context
Statements from key figures in key and changing roles.
Resident engagement as the key to successful retrofits
Retrofit is about people, not just buildings, from early starts to beyond handover.






















