Green Insulation UK | Spray Foam Insulation Services
spray foam insulation, insulation services, insulation installation, roof insulation, commercial insulation, cheap insulation, roof insulation
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Spray Foam Insulation Services

Spray foam insulation can solve many problems in industrial, commercial and residential situations.

Here at Green Insulation we can advise on the appropriate application for your building.

Polyurethane closed cell insulation foam is ideal for stabilising and insulating ageing domestic roofs. Once any external remedial works have been carried out, the expanding foam is sprayed to the underside of the tiles or slates and forms a seamless layer. This not only bonds the tiles and prevents them from slipping even in high winds, but also prevents the ingress of wind driven snow, rain and dust. It also significantly improves the thermal performance of your home by reducing heat loss through the roof by more than 80%, prevents draughts and reduces external noise. It is completely inert, contains no nutritive value to vermin and it insulates homes with little-to-no disruption. Many councils and housing associations have used our insulation product in their housing stock with great success.

 

The installers of our insulation product have over 20 years experience and we only use foam products supplied by UK suppliers.

 

In most cases, sprayed foam will solve problems with condensation spray applied polyurethane foam meets Building Regulations (for England) and Part 3.15, Condensation of the Scottish Building Regulations in respect of condensation control.

 

Surface and interstitial condensation on all building surfaces can be eradicated no matter whether it’s in a normal domestic situation or in buildings with high humidity.

 

We are experienced in all applications of spray foam insulation from factory roofs to warehouse roofs and walls, from cold stores to hot drying rooms. We have spray insulated underground car park soffits and undercrofts, this is particularly effective when the concrete soffit forms the floor of a residence above because concrete is not a good insulator. The closed cell foam we use meets with the Class 1 Spread of Flame rating to BS476 pt 7 and, where required, a Class O system can be applied, which is a two part application utilising a foam and then it is sprayed with a fire proof coating.

Green Insulation Domestic Insulation

We Use Closed Cell Spray Foam Insulation

Closed cell polyurethane foams for building insulation has been in UK for over 40 years – open cell foams have only arrived over the last few years mainly from North America.

 

At Green Insulation we have mostly concentrated on the use of closed cell foams because of the superior thermal insulation, bonding and air sealing properties.

 

Closed cell sprayed foam insulation is considered to be one of the most effective insulation systems commercially available. It can help with improving the stability of buildings. It provides a seamless rigid foam layer which bonds to the roof and walls increasing structural stability and reducing thermal movement.

Air leakage through joints and roof /wall junction can be reduced to zero.

With better thermal performance and reduced air leakage, polyurethane foam outperforms all other forms of insulation.

 

Our polyurethane foam follows the profile of the fabric of the building. It seals draughts and reduces air leakage. It is increasingly important to provide structural integrity to buildings, particularly as weather patterns are becoming more erratic.

 

Closed cell foams are a barrier to driving rain and snow meaning that the insulation stays dry with no loss of thermal properties.

 

Sprayed closed will not absorb water and bonds directly to the substrate with no voids or joints for condensation or cold bridging. We only use material that meets with the Class 1 fire rating when tested to BS476 Part 7.

 

Open cell foams have been around in the UK for far less time, they do not have the same insulation qualities as closed cell foam. Approximately double the thickness of open cell is required to achieve the same result as closed cell, which means reduced space when the work is completed. They do not have the same fire performance as closed cell, so in most cases they should not be left exposed and should be covered by plasterboard or similar.

 

Due to the nature of open cell foam, they have very weak structural strength so they cannot be used to stabilise roofs and walls. There is also a significant chance that interstitial condensation may form at the junction of the substrate and insulation.

 

Whilst the thermal insulation benefits are not as good, they are a better sound attenuation material, however.

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What Are The Benefits of Spray Foam Insulation?

Prevents Condensation Build-up

Many older commercial buildings are constructed from corrugated cement asbestos sheets or profiled metal sheets. To fix insulation board to the underside of these sheets is difficult and almost always means that there is a gap above the insulation board. This means that vapour can pass through the joints in the boards and condense on the cold roof sheets, causing the condensation to flow down the corrugations, find a week point and, consequently, drip into the building. Spray foam insulation on the other hand is sprayed directly on to the profiled sheeting leaving no gaps or joints, it seamlessly insulates and therefore, surface condensation will not form.

Spray insulation will also seal the building so that any air that is generated within the building whether it is cooled or heated is kept within the building and does not escape into the atmosphere. This obviously improves the carbon footprint and saves money spent on energy. Another advantage over traditional insulation materials is that joints, small holes and small cracks are sealed and thus prevent leaking.

Single skin asbestos cement sheet and metal roofs are subject to significant heat loss in the winter and solar gain in the summer. Un-insulated roofs of these types are likely to form condensation on the underside, which can cause major problems for items stored in the building. It can also cause problems with slip hazards or dripping on to electrical appliances. Spray foam insulation will eradicate the formation of condensation and create a dry, warm workspace.

Saves You Money on Energy Bills

Spray insulation seals the building so that any air that is generated within it, whether cooled or heated, is kept within the building and does not escape into the atmosphere. This improves your carbon footprint and saves money that would normally be spent on energy. This also means that joints, small holes and small cracks are sealed and, thus, prevent leaking.

Spray insulation will also seal the building so that any air that is generated within the building whether it is cooled or heated is kept within the building and does not escape into the atmosphere. This obviously improves the carbon footprint and saves money spent on energy. Another advantage over traditional insulation materials is that joints, small holes and small cracks are sealed and thus prevent leaking.

It Can Be Applied To Asbestos

Where asbestos is present, our spray foam will seal and encapsulate the roof sheets and, therefore, prevent the escape of fibres into the working environment.

It Can Be Applied Externally

Where the roof is leaking badly or the logistics of spraying internally are too difficult we can apply the foam externally. This will seal all the joints and cracks and give a monolithic, seamless flashing to the roof. Once the foam has been sprayed then a spray/ brush applied elastomeric or acrylic coating is applied to the foam surface to protect it from UV degradation.