Attic Insulation using Spray Foam Insulation

 

Spray foam insulation is one of the most effective ways to insulate your attic or loft. The foam used to insulation attics is called open cell spray foam, it expands to over 200 times its size and is able to get into gap or crack in the buildings structure. 

Breathable Vent Cards

In order to allow water vapour to escape your home a air gap needs to exists between the roofing felt and the insulation material. If your roof has been counter battened then you're fine, if not then you will need to create this gap by attaching a breathable vent card between the rafters 50mm from the roofing felt and the insulation material. Thais allows the air to leave the building preventing the buildup of condensation that leads to harmful damp and mould. 

Spray Foam Insulation Costs

The cost of insulation your attic with depend on a few factors. The size of the space to insulation, the depth of the insulation needed, the brand of foam used and the labour costs etc. 

Spray foam insulation is one of the most cost effective forms of insulation so your attic insulation cost must be offset against the money saved from reducing your heating bills. 

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Spray Foam Insulation Ireland

 

Spray foam insulation is one of the most versatile insulation materials available on the Irish market. Spray foam insulation come in 3 forms, open cell spray foam, closed cell spray foam and slow pour foam. 

Open Cell Spray Foam

Open cell spray foam is used primarily in residential application, roof, attic, floor and internal wall insulation. Open cell spray foam expands to over 200 times its size enabling it to fill every nook and cranny creating a continuous airtight seal in you attic, wall, floor or roof. Its cells are open and while it is prevents air or heat loss it allows harmful water vapour to escape preventing hazardous damp and mould. 

It is easy and quick to apply and is inert making it an ideal insulation material for attic or loft insulation. 

Closed Cell Spray Foam

Unlike open cell spray foam insulation, closed cell spray foam's expansion is 20-30 times its size forming hard coating seal that prevents both water and air escaping. Closed cell spray foam is normally used on metal or concrete structures. Its is the best insulation material for farm sheds, commercial and insulation units and container insulation. It prevents the buildup of damp and mould and is used for bot heating and cooling. 

Slow Pour Foam

Slow pour foam is used mainly to insulate wall cavities, it once again gets into every nook and cranny and is very effective at prevent heat loss. 

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