The roof is the component of any building envelope that is in the most direct contact with the elements – the topmost surface on the building takes all the beating from nature’s forces, being directly exposed to harsh sunshine, heavy rain, snow and wind. Roofing materials are designed to withstand all that stress as well as to form a thermal barrier between the building interior and the outdoor environment, but each material tackles the tasks differently, the capability of attracting or repelling cold and heat being different for each type of roofing material. Here is what to expect:
- Metal roofs – metal is known to be a good conductor and a poor insulator, therefore metal roofs need proper insulation to be able to keep nature’s heat and cold outside. Applying special roof coating products can also improve the thermal resistance of the material;
- Clay and cement tiles – these materials are great insulators, able to prevent heat exchange in hot weather as well as in freezing temperatures;
- BUR – built-up roofs consist of multiple layers of material, which improves the thermal insulation features of the roof;
- Shingle roofs – the thermal resistance of shingle roofs depends on the type and quality of the product used, but the shingle roofs installed in very cold or very hot regions can benefit from thermal insulation. The Austin roofing industry are known for using roofing shingles as their main roofing product of choice.
Original Post here: Is Your Roof Attracting Cold and Heat?
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