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For tough exterior surface prep that keeps your paint jobs looking sharp and lasting longer, the Fleetwood Fungicidal Wash 5L is a must‑have in any tradesperson’s or DIYer’s toolkit. This powerful ready‑to‑use wash is specially formulated to eradicate algae, mould, moss, fungi and lichen from masonry, timber and other exterior substrates, giving you a clean, stable base before primer and paint.
Easy to apply by brush, roller or sprayer, this water‑soluble fungicidal wash digs deep to break down organic growth on walls, paving, concrete and woodwork, helping prevent regrowth and ensuring better adhesion for your coatings. Getting surfaces right first saves you time and touch‑ups down the line — exactly what pros and serious DIYers expect.
Key Features:
Technical Specifications:
TJ’s Tip:
Always start by removing loose growth with a stiff brush before applying the wash — this helps the solution work deeper and improves results. Leave it to sit and do its job, then rinse or brush off dead residue before moving on to primers and paints. Well‑prepped surfaces are the backbone of a long‑lasting finish!
| Brand | Fleetwood |
|---|---|
| Provided by | TJ O'Mahony |
| Delivery Rule | small & light |
Last update: 17 August 2026
We offer reliable delivery services throughout the Republic of Ireland, with straightforward delivery charges for both trade and DIY customers. Delivery options are confirmed at checkout based on your order and delivery Eircode.
| Delivery Type | Delivery Area | Delivery Charge | Delivery Time |
|---|---|---|---|
| Small Items | Republic of Ireland | €9.99 | 3–4 working days |
| Large & Heavy* | Standard delivery area | €29.99 | 5–7 working days |
| Extra Large* | Standard delivery area | €50.00 | 5–7 working days |
| Paint 5L or less** | Standard delivery area | €19.99 | 5–7 working days |
*Standard delivery policy. Promotional delivery rates may apply during campaigns.
30-Day Returns
TJ O'Mahony offers a 30-day returns policy on eligible unused products, giving you additional time beyond the statutory 14-day cooling-off period applicable to most online consumer purchases.
Eligible products can be returned for a refund or exchange within 30 days of delivery or collection, provided they are unused, in their original and re-saleable condition, complete with all supplied parts and accessories, and accompanied by proof of purchase.
Please note: Return restrictions apply to certain products, including Mixed Paint, certain Bagged Building Products, Solid Fuel, Special Order, Non-Stock and Catalogued Products. Your statutory rights in relation to faulty, damaged, incorrectly supplied or non-conforming goods are not affected.
