St Sampson·Bar
✦287-year heritage (1739)
This long-established Channel Islands holding company is primarily a builders' merchant, supplying timber and building materials to trade and public.
Ventilation (inferred from the source page)
From their website
Roofing/Ventilation (inferred from the source page)
Also Hardware & DIY · Plumbers' & electrical merchants · Structural / 1st-fix carpentry