Respond to these showcases www. ajplus. co. uk/ajdirect Readers may obtain information about these products by filling in the enquiry numbers on an AJ enquiry card. Advertisers wishing to promote their products on these pages should contact Chris Bond on 020 75056816 A Rockfon Sonar D Ceiling System has been installed in the award-winning Rockwool Garden Room at this year's Chelsea Flower Show. The ceiling system offers a high-quality finish and strong long-term performance, combined with a high aesthetic appeal. It is made from 100 per cent Rockwool stone wool.