Is the uncontrolled flow of air both into and out of a building through cracks and gaps. Uncontrolled air flow accounts for a large proportion of energy wasted in dwellings.
Achieving improved air tightness is a key factor for a builder or contractor meeting the present buildings regulations and improve the cost of running the building. Is expressed in terms of air leakage in cubic meters per hour per square meter of the dwelling envelope area when the building subject to a differential pressure of 50 Pascal's
HOw to achieve Air Tightness and Why?
Air tightness simply means eradicating all draughts. Draughts can be so small e.g. under window boards, around windows and doors but an accumulation can have a drastic impact on the energy loss in the dwelling and lead to significant discomfort and high running costs.
A layer of breathable membrane behind the plaster slab on the upper ceiling. Regardless of the structure type, timber frame or masonry construction the air tightness layer must be continuous from floor to ceiling.
Why Choose DK Energy Consultants To Apply The Tapes & Membranes in Cork and Waterford
DK Energy Consultants are certified contractors of the SIGA Air & Wind tightness System. this is comprised of a range of tapes and adhesives, and SIGA Majpell, a vapor control layer. This system has been certified by the The Irish Agrément Board.
The wind tightness tapes can be used with all suitable breathable roofing and facade membranes. The tapes and adhesives are free from residential toxins such as solvents (VOC), high boilers, formaldehyde, chlorine, plasticizers