Sustainable Hotel
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insulation picture

Insulation in the property should be a top priority. It is the cheapest way to improve energy efficiency and has the shortest payback period, often in months.

Loft insulation in pitched roofs should be installed to a minimum depth of 270mm/10.5 inches. Loft/roof insulation is a very cost-efficient method of saving energy and can save 20% of total heating fuel costs.

Flat Roofs: Flat roofs should be insulated with solid insulation such as Kingspan comprising 100mm between joists and 35mm under joists. Or in Warm deck construction 96mm above deck and 25mm between joists. Check with Building Regulations for your own property.

Cavity wall insulation can save a massive 33% of heat loss. Cavity insulation is one of the most cost-efficient ways of reducing energy use and lowering carbon emissions.

windowGlazing: All windows should be double glazed for energy efficiency because double glazed windows in an exposed area can reduce heat loss compared to a single glazed window by up to 70%. Double glazed windows with low e-coating (low emissivity) such as Pilkington K glass further reduce heat loss and perform as well as or better than triple glazing. Gas filling with argon, xenon or krypton further reduces the heat loss, and another tip is to use thermal space bars instead of the normal metal ones.

Draught Excluders: We recommend that any external or internal doors without draught proofing have it installed because draught proofing makes a big difference in retaining heat in occupied areas.

Lagging Pipes: We recommend lagging exposed pipes, and insulating them with at least 10mm insulation, to save energy and reduce the risk of burst pipes in winter.

Solid Wall Insulation: Solid walls on older properties should be insulated to prevent heat loss using thermal boards, flexible insulation linings or rockwool on studwork see http://www.nationalinsulationassociation.org.uk.

Floor Insulation: When refurbishing, solid floors and suspended floors can be insulated by several methods including Kingspan Thermofloor.

Insulation