For exterior wall projects where long‑lasting protection and a crisp white finish matter, the Johnstone’s Stormshield Smooth Brilliant White 10L Exterior Masonry Paint gives both tradespeople and DIYers the performance they need with a bright, clean Brilliant White finish. Engineered for Ireland’s ever‑changing climate, this premium, water‑based masonry paint offers outstanding durability and weather resistance across cement render, brick, pebble‑dash and concrete surfaces.
Its advanced smooth masonry formulation goes rain‑resistant in as little as 20 minutes after application and delivers excellent colour retention and opacity, so your exterior looks fresher for longer. With a life expectancy of more than 15 years and excellent anti‑carbonation properties, it stands up to the elements with minimal maintenance required
Key Features:
All‑Season Performance: Paint between 2°C and 35°C and get rain resistance in about 20 mins.* — ideal for Irish conditions.
Long‑Life Protection: Designed for a 15‑year plus lifespan with outstanding dirt and weather resistance.
Excellent Colour Retention: Brilliant White stays crisp and vibrant over time.
High Opacity & Coverage: Great hiding power and coverage up to approx. 17 m² per litre (surface dependent).
Smooth Finish: Easy to apply with brush, roller or spray — straightforward and efficient.
Technical Specification:
Product Code: JSSTSH/BW10
Size: 10 Litres
Coverage: Up to approx. 17 m² per litre (surface dependent)
Preparation makes all the difference — ensure surfaces are clean, sound and dry before you start. Apply two even coats for the best colour depth, durability and protection against Irish weather. Taking time on prep means a finish that lasts longer and performs better year after year
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 Charges & Delivery Times
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
Swipe sideways to compare delivery options.
Small Items
Delivery area
Republic of Ireland
Charge
€9.99
Delivery time
3–4 working days
Large & Heavy*
Delivery area
Standard delivery area
Charge
€29.99
Delivery time
5–7 working days
Extra Large*
Delivery area
Standard delivery area
Charge
€50.00
Delivery time
5–7 working days
Paint 5L or less**
Delivery area
Standard delivery area
Charge
€19.99
Delivery time
5–7 working days
*Standard delivery policy. Promotional delivery rates may apply during campaigns.
Additional Information
FREE delivery on eligible Small Items and Large & Heavy orders over €1,499, within the standard delivery area only.
Special Order and Catalogue Products require an additional 5 working days.
FREE collection of old appliances is available through WEEE Ireland when purchasing qualifying large appliances.
FREE Click & Collect is available for items in stock at your selected branch.
Large & Heavy and Extra Large items are available within our standard delivery area only.
Paint delivery Paint in tin cans 5L or less is available for delivery. Larger sizes and paint supplied in plastic buckets are available for Click & Collect only.
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.
