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Slow pour spray foam insulation is used to insulate a cavity with polyurethane – this is injection applied through 12mm holes generally created through the pointing where they are easily filled and barely noticeable.

Given that cavity wall insulation is by its a nature a “blind” exercise, the best method to follow is mathematical, first the depth of the cavity must be found, and in already understanding the expansion and flow rate of the material we then have a clear indication of the length of time pumping is required to achieve a complete slow pour spray foam insulation fill. A squared drill pattern is required to ensure the foam when injected expands to meet itself at regular intervals. After the event, all that is required is to fill the drill holes with a matching mortar or exterior filling compound and clean any excess materials on the wall surface.

Slow Pour Spray Foam Insulation

When using slow pour spray foam insulation the foam rises very gently without putting the walls under pressure. The foam does not let air pass through it, unlike silver beads, meaning it’s the warmest process. Slow Pour Spray Foam Insulation ensures an airtight building fabric section and will last a lifetime.


Energy Efficient Homes Ltd.,
The Crescent Building,
Northwood Business Park,
Santry Dublin 9
Energy Efficient Homes Ltd.,
Drogheda Industrial Park,
Drogheda, County Louth
Tel: (1890) 909022
Dave's Mobile: (087) 975 0914
E-mail: [email protected]
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Energy Efficient Homes Ltd. was created for people who want to improve the Energy Efficiency of their home or business. Our office is open 6 days a week to allow you to drop in and meet some of our highly experienced staff, who can demonstrate and explain the benefits of Insulation systems.