Sealco Waterproofing are proud to be the first in the market with our EcoTUFF TPO membranes.
Introduced to NZ in 2004, EcoTUFF has gained much popularity in the New Zealand market mainly due to the quality, price and added features. EcoTUFF TPO thermoplastic polyolefin membrane is a co-polymer of polypropylene and ethylene propylene rubber that has been formed into a membrane sheet and reinforced with a heavy duty polyester scrim. This means you get a flexible rubberised material with the ability to be heat welded for permanent secure detailing.
EcoTUFF Is manufactured by the largest and most technically advanced manufacturer in the USA and is well known internationally to be one of the best performing membranes available. It is BRANZ Appraised and comes with a full system of heat welded accessories to ensure watertightness in all areas of your roof. EcoTUFF provides absolute watertight integrity for low-slope and pitched roofs, gutters, parapets, pond liners, balconies, under floating decks and roof gardens of commercial and residential buildings.
A ‘second generation’ single ply product, EcoTUFF marries the advantages of previous generation materials while eliminating their limitations. The result is a roofing membrane that is faster and easier to install yet offers outstanding resistance to weathering, temperature extremes, ultraviolet exposure and a whole wide variety of industrial chemicals.
Why Vent?
Moisture venting helps remove any retained moisture in the substrate. When working on substrates where moisture is present, it is vital to vent under the membrane. Failure to do so will allow the entrapped moisture to expand under the membrane causing bubbling.
Roof-space venting of confined skillion type roofs creates air flow and equalises roof-space pressure. Roof space venting minimises temperature variations across the roof and so reduces substrate movement due to thermal expansion and contraction.
A minimum of two vents are required in each roof area to be vented. Vents should be installed for every 50m² of roof area.