There are different ceiling insulation products available in South Africa. Ensure that the insulation boards fit tightly between the … Any significant alteration or replacement that reduces the glazed area of the roof requires Building Regulation approval. Roof insulation is either installed on the sloping part of a roof, typically from the inside, or in the case of flat roof insulation, it is normally installed from outside. It is likely that you will be looking to either; Replace your sloping pitched roof; Refurbish your sloping pitched roof; Extend you sloping piched roof; Convert your sloping pitched roof As of January 1, 2020, Title 24 will mandate new and updated energy efficiency regulations for residential construction in the State of California, including changes to lighting, mechanical ventilation systems, wall and attic insulation, and approaches to overall energy efficiency. Posted on 26th September 2019 Whether you are involved in a new build or a refurbishment project, there are a certain set of standards for thermal insulation which need to be adhered to according to Building Regulations. New insulation in rental properties needs to meet minimum R-values. A great example of this is Powerdeck F Insulation Board which is both rot-resistant and highly durable. You can add a layer of insulation between the timber roof surface and the outer weatherproof layer. Loft insulation in 2017 being 350 mm, That figure in loft insulation i find ridiculous and the whole point of keeping the home warm by using such thickness is misleading and costing home owners wastage not only in money but also in loft space when having to store some personal belongings, why are people not being advised to insulate their roof … Council direction in April 2020, to develop recommendations to ensure that useable space inside a new home is not reduced as a result of the increased space needed for zero emission mechanical equipment, and to ensure interior height is not reduced as a result of the roof thickness required for additional insulation in typical assemblies. As Roof Insulation Installers and Distributors we based in the Western Cape as well as Johannesburg, Pretoria, and KZN. Installing flat roof insulation could save you similar amounts on your heating bills to loft insulation. More information on insulation statements. H owever, i n practice, we use only those materials that are easy to transport and install, won’t be a fire hazard, are relatively cheap, and those that prevent heat loss. Multifoils. Most contractors will choose 2 layers of 2” polyiso, reaching an R-Value of 22.8. For example, in Ohio when a roof is either re-roofed or built new, an R-20 insulation is required. ... roof insulation; draught proofing. KEY HIGHLIGHTS • High performance attics and high … We used Kingspan Thermapitch TP10 zero ODP which is a 100mm-thick rigid board; Install the insulation flush with the bottom of the rafters, making sure that it does not fill the entire rafter depth. News. The insulation must be water resistant and be continuous from the adjacent finished ground level to a depth of 300mm or for at least the full depth of the vertical edge of the concrete slab-on-ground. To a layman this means that the layer of insulation (either fibre or wool) should be 270mm thick, with a rigid board of 175mm, or a … Because motionless air is a very poor conductor of heat. Ridge Ventilation. If your flat roof needs to be replaced anyway, you must now insulate it to comply with building regulations. The Building Regulations requirement is represented by a U-Value, which is a measurement of how much heat is lost through the flat roof insulation and other materials on the roof. If any part of the existing insulation is not in reasonable condition, then the landlord must replace it with insulation that meets the new standard, as below. Consider products that provide both insulation and structural support, such as structural insulated panels (SIPs), and masonry products like insulating concrete forms. The minimum R-value depends on which part of the country … Slate Ventilators. Flat Roof Insulation Cross Section. Bear in mind that the recommended loft insulation … Find out if you qualify, or the best ways to pay for insulating your home, so you can save money on your your energy bills. SI. Our insulation solutions for warm roofs maximise both space and thermal efficiency, whilst also contributing to acoustic performance. The insulation should be level with the bottom of … When adding the insulation to between the rafters there should be a 50 mm ventilation gap above the insulation, between the insulation and the sarking felt. The insulation must achieve a minimum R-value of 1.0 in Zones 1 to 7 and a minimum R-value of 2.0 in Zone 8. Depending on the weather and usage of the roof during its lifespan, the insulation board may still be in a good enough condition to re-use when the time arrives to replace the roof itself. When insulating a house, the loft is usually the best place to start, as it is easy to do yet around a quarter of the heat in an uninsulated house is lost through the roof.. How to insulate a loft. Table 8: Suitable materials for roof insulation. Regulations state that the u-value of the roof needs to be 0.18W/m2 or less. A standard loft insulation installation comprises not only of the fitting of the loft insulation, but also the bringing up to Building Regulations standards, the lagging to the cold water tanks and the pipes at no additional cost. If you intend to use the loft for storage, then the most cost-effective solution is a ‘cold’ roof, where the insulation is laid on top of the ceilings … If insulation was installed after 1 July 2016. The first set of national building standards for England and Wales, The Building Regulations, were published in 1965 (Scotland 1963). Roof Ventilation. Insulation should be of sufficient thickness to meet the requirements of Building Regulations, and laid over the whole loft and wall plate. Flat Roof Insulation. If so, we can help. How much insulation do you need? 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