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Guide

PAS 2035 and Spray Foam Explained

What PAS 2035 means in retrofit work and why homeowners should ask careful questions about spray foam insulation.

Why PAS 2035 comes up

PAS 2035 is often mentioned in retrofit because it pushes projects to consider the building as a system. Roof insulation is not only about heat loss; it also affects moisture movement, ventilation, and future inspection.

What homeowners should ask

Ask whether the original installation considered ventilation, condensation, roof condition, and future mortgage evidence. If those records do not exist, a current survey may need to rebuild the picture.

How this affects removal

Removal should not be treated as only scraping foam away. Once foam is removed, the roof may need ventilation reinstatement, timber inspection, or replacement insulation that makes sense for the whole property.

Common questions

Does PAS 2035 certify a removal company?
Not by itself. Avoid assuming a company is certified unless they provide specific proof for the work and people involved.
Do I need PAS 2035 paperwork?
It depends on the original scheme, the current issue, and whether a lender, surveyor, or grant body has asked for it.

Related guides

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