Get €10 off on orders over €50 - Add TJY1222 at checkout (T&C apply)
E-MAIL [email protected]
Blowerproof Airtight Paint - Brush On 5kg Drum
Can we help you? Chat with an expert nowChat with an expert now
Blowerproof airtight liquid membrane is now BBA certified, used widely across Europe because of its ability to reach unrivalled levels of airtightness. Blowerproof is used to reach Passive Standard 0.6 AC/h in buildings but can reach 0.2 AC/h if required.
WALL TO CEILING JUNCTION
The wall to ceiling junctions on all floorlevels along the outer skin of a house or building need to be made airtight.
WINDOW JAMBS
Fill gaps between the window frame and the wall with PU foam and cut off excess then brush on Blowerproof for airtight seal.
WALLS
Spray On Blowerproof liquid airtight membrane is the product of choice for professionals want to reach Passive Standard.
FLOOR TO WALL JUNCTION
The floor to wall junctions on all floorlevels need to be made airtight. Apply Blowerproof coating before the floor insulation and screed is done
APPLICATION OF PAINT-ON
BLOWERPROOF LIQUID BRUSH is ready-to-use; stir before use. Do not dilute with water or solvents.
Apply with a flat paintbrush, suitable for water-based paints. BLOWERPROOF LIQUID BRUSH can also be applied in one layer, total advised indicative consumption: 0.5 - 1 kg/m2.
Clean paint brush and other tools with water.
During drying avoid contact with any type of water, liquids or other construction products.
Complete drying is required prior to applying another product on BLOWERPROOF LIQUID BRUSH (such as plaster).
Drying time may vary and depends on local conditions and condition of the substrate. Indicative: 24 - 48 hours.
| Barcode | 5430000613187 |
|---|---|
| Brand | Blowerproof |
| Weight | 5.0000 |
| 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.
