Do you urgently require Rockwool RWA45 75mm? Have you considered taking a look at the Online Insulation website? Operating across the UK, we are one of the most reliable suppliers for insulation and dry lining due to our diverse range from known and reputable brands. Just a few names worth mentioning include Celotex, Kingspan Phenolic Insulation, Knauf and Rockwool. If you require a specific product, please don’t hesitate to get in touch, we are certain we can assist. 

Rockwool have always been one of the leading insulation providers, and the Rockwool RWA45 75mm is no different. As a semi-rigid, flexible, resin-bonded rock mineral wood slab, the insulation can be used for thermal, acoustic and fire insulation within most general building applications. Traditional slabs are available in 75mm x 600mm x 1200mm dimensions, primarily in packs of 6, however larger pallets are also available should you require large quantities of the insulation. 


When choosing what insulation solutions to supply within our store, not only do we check over the practical functionality, but we also check over various other background factors. One of the most important aspects that we consider is whether or not it’s environmentally friendly to use or manufacture. Fortunately, the Rockwool RWA45 75mm is certified to EN 13162, which particularly highlights its performance as a thermal insulator. One of the best examples of charts to look at with insulation is the BRE Green Guide, which will demonstrate the impact of the materials on the environment. 


Since our establishment, we have focused our work around our business model, which is delivering first-class customer service. Our friendly and approachable team have over 15 years of experience within the industry, meaning we able to deliver our customers honest, accurate and reliable advice about all of our products. As a result, we are continuously rated 5 stars by our clients, all of which can be viewed on our reviews page when you have the chance. 

To speak to a member of Online Insulation about the availability of our Rockwool RWA45 75mm, please don’t hesitate to give us a call on 01509 649065. One of our consultants will be more than happy to confer specific products, where they can provide additional details as well as address any questions you may have. For general enquiries, we are available via email at, where you can expect a reply within a single working day.