The NIA represents the insulation industry in the UK and our members include manufacturers and installers of a number of insulation solutions for your home or business. Both the NIA and its members are fully committed to maintaining and raising standards within the insulation industry.

The BBA is the UK’s major authority offering approval of construction products, systems and installers.

The Cavity Insulation Guarantee Agency provides independent 25 year guarantees for Cavity Wall Insulation fitted by registered installers in the UK and Channel islands.

Knauf Insulation are the UK's leading manufacturer of glass and rock mineral wool, extruded polystyrene and extruded polyethylene insulation products.

Rockwool insulation is the UK's leading supplier of stone wool insulation materials for thermal, fire and acoustic protection.

The world's leading industrial mortar manufacturer offers a complete range of solutions developed using advanced formulation technology to meet the highest technical requirements.

Every organization would like to improve the way it operates, whether that means increasing market share, driving down costs, managing risk more effectively or improving customer satisfaction. ISO9001 gives you the framework you need to monitor and improve performance in any area you choose.

Submit your company for construction project opportunities. Search 1000's of pre-qualified construction contractors for the right supplier.

The MCS certificates microgeneration technologies used to produce electricity and heat from renewable sources.

REIGA offers installers and suppliers the ability to give assurance through the guarantee scheme that will answer the question “what if you are no longer around”. REIGA is independent and if an installer ceases, amalgamates or disappears from the customer’s horizon and a guarantee has been issued, the customer can approach REIGA who will provide a conduit to address these problems.

The Renewable Energy Association represents renewable energy producers and promotes the use of all forms of renewable energy in the UK.

BPEC is the leading provider of training and certification for the Building Services Engineering sector, which covers the gas, oil, plumbing, electrotechnical, heating, ventilating, air conditioning and refrigeration industries.

Logic Certification is one of the UK Building Services Engineering industries foremost certification bodies, offering training and assessment packages through our network of over 170 approved assessment centres throughout the UK.

Gas Safe Register (formerly CORGI) is the official list of gas engineers who are registered to work safely and legally on gas appliances in the United Kingdom, Isle of Man and Guernsey. Rockwarm's membership number: 504383

RETA's vision is that “working collaboratively RETA members will mobilise and enable a low carbon supply chain that will provide a profitable, equitable and secure future with an impact beyond the region”.