

Grainger are a specialist contractor providing the construction industry and property owners with following services:
- Flat roofing, metal roofing, roof glazing and standing seam roofing
- Wall cladding, bespoke panels systems, rainscreens
- Structural waterproofing to bridge decks, podium decks, car parks and tanking applications.
- Curtain walling, windows, louvres, solar shading and associated works to provide a complete envelope package.
- Aftercare service of ongoing inspection and maintenance and refurbishment throughout the building life cycle
Grainger have undertaken contracts throughout Ireland and Great Britain. The majority of contracts are carried out in Northern Ireland, Scotland and the North of England from our regional offices in Belfast and Glasgow.
Our services and management system conforms to the requirements of the following national and international standards:
ISO 9001:2008 (Quality Management System),
ISO 14001:2004 (Environmental Management System)
BS OHSAS 18001:2007 (Occupational Health & Safety Management System)
Investors-in-People (People Management and Development Standard)
CHAS (Contractors Health & Safety Assessment Scheme)
Safe-T-Cert (Health & Safety Management System)
| We are active trade member of the National Federation of Roofing Contractors (NFRC) and our Regional Director Alex Owens served as President 2005 to 2007. |
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