Profile: Haynes Manufacturing (UK) specializes in providing ventilation systems and damp-proofing products. We produce positive pressure and heat exchanger ventilation systems designed to alleviate condensation in dwelling houses, flats and other domestic properties. We can design, supply and install light commercial ventilation for clubs, offices and shops. We also supply a range of roof and tile vents for use in pitched roof, models are available which can be connected to soil pipe duct-work. We supplies treatments against deleterious effects of damp in buildings, by providing a range of damp-proofing products suitable for dealing with most problems likely to arise. The range includes membrane tanking, safeguard hydra check and permagard remedial damp-proofing products. The permagard range includes chemical damp-proofing solutions, waterproof rendering and screed additives, water based timber treatments and cementitous tanking.