<ul>
	<li>Operatives to apply protective sheeting to work routes and working areas.</li>
	<li>We propose a tracer gas survey is carried out which involves use of a harmless mixture of Hydrogen (5%) and Nitrogen (95%) gas mix into the external elevation/underside of the roof areas to the affected area to be tested. The Nitrogen is used as a carrier for the Hydrogen molecules which will gradually rise and permeate through the external construction in the area(s) of leakage. Electronic detection equipment is then used either externally or internally to locate the Hydrogen molecules. The suspected area(s) of leakage are then recorded within our final report.</li>
	<li>In addition we may utilise a thermal imaging camera as heat sensitive areas can be located or areas of water ingress where water maintains its heat through thermal capacitance. The area of highest water concentration is often the point of entry. Flood testing may also be employed and simply consists of using a hosepipe to concentrate water to an area of suspected ingress and can be enhanced using a tracer dye. A water source will need to be readily available to carry pressurised water to the roof surface.</li>
	<li>Report and findings to be issued upon completion.</li>
	<li>Site to be left clean and tidy.</li>
</ul>

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