Of course, for us to be able to provide a quote we would require the area to be insulated, the depth required and the type of spray foam you wish to be quoted for. If you require a quote for a loft we always advise you to take a free survey so we can check the condition of your felt/membrane because if this is damaged and needs replacing/patching it will incur additional costs.
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If you are unsure about any of this we are more than happy to arrange a free survey for you.