Rung Heating has been established for some 52 years and now covers an area from Lands End to Scotland and whole of Ireland Ou ... r installation teams are based throughout Britain etc and all teams hold Skill Cards, PASMA, IPAF and Roof Awareness cards but to mention a few of the courses which have been attended. What we can do for you … We can offer full design packages on all flue requirements and can carry out free of charge full site surveys and if required at a cost video CD surveys. We can prepare full specific specifications for all types of boilers, generators, CHP units, air handling units, kitchen extract, bio-mass and fire vents etc using two and four hour fire rated products, stainless steel, aluminium, insulated or un-insulated flue products. We also offer full CAD drawings free of charge upon receipt of an order complete with site measuring and computer calculations to allow installation. Our range of services can extend fully to the long term maintenance and servicing of flue systems also. read more