Spray Foam Insulation in Armagh — Enverge & Purios Spray Foam

The borough around Armagh sells itself on food. Armagh City, Banbridge and Craigavon Borough Council promotes agri-food as a core sector under its Food Heartland banner, alongside support for town-centre traders and small makers, and it names Bleary Business Centre among the enterprise sites it backs. On the land, DAERA’s June 2025 census shows the scale of livestock farming: Co. Armagh held 269,937 pigs, the second-highest county pig count in Northern Ireland, together with 234,403 cattle, of which 39,270 were dairy cows. That stock, and the feed and machinery that go with it, is housed on farms around Keady, Markethill, Tandragee and Richhill.

Livestock are a constant source of moisture. Pigs and housed cattle breathe out water vapour around the clock, and slurry, washing down and wet feed add more. When that damp air rises and reaches the cold underside of an uninsulated metal roof, it condenses and falls back as drip onto animals, pens and stored feed. Armagh’s own weather is not the main driver here. The city’s Met Office station averaged 823.9 mm of rain a year over 1991 to 2020, the lowest of the Northern Ireland stations in our verified data, yet a pig house on a still winter night can run wet inside whatever is falling outside.

Closed-cell Enverge Nexseal LE is sprayed onto the inside face of the roof sheeting and bonds to it, so the surface that warm air touches is foam rather than cold metal. It also fills the gaps at laps, ridges and eaves where heat escapes and wind gets in. In livestock housing, insulation works alongside ventilation and never replaces it, so an approved installer looks at air inlets and outlets during the survey before recommending a thickness. Nexseal LE carries a 25-year manufacturer-backed product warranty. Duratite supplies the foam, and the survey and spraying are done by an approved installer covering County Armagh.

Food businesses in the borough meet a related problem in a different setting. A bakery, packing room or ingredient store with a single-skin roof can gather condensation overhead, and water dripping onto product or packaging is a hygiene matter before it is a comfort one. Small units used by makers and start-up firms often have the same bare sheeting and are hard to keep warm for the few people working in them. Sealing and insulating the roof in a single application makes these spaces easier to hold at a steady temperature, and because the foam goes on from inside, the external cladding stays as it is.

Insulation work in Armagh is measured against the Building Regulations (Northern Ireland) 2012, with Technical Booklet F2 covering energy performance in buildings other than dwellings, and site safety is regulated by HSENI. Before spraying, the installer checks what the roof is made of. If older sheets turn out to be asbestos cement, the Control of Asbestos Regulations (Northern Ireland) 2012 must be dealt with first, and encapsulating the outer surface may be the better starting point. To speed up the survey, note which buildings drip, in what weather, and what is stored or housed beneath them.