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Warm and Cold Flat Roofing Construction

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If you are having your flat roof repaired, or you’re installing a brand new flat roof, it’s advisable to explore the difference between warm and cold flat roofing and weigh up the pros and cons. Warm and cold roof designs can play a role in effective insulation of your property, and it’s useful to know which construction type will suit your property best.

The Differences Between Warm and Cold Flat Roofing Construction

In the past, cold flat roofs were more commonplace, but warm flat roofs are becoming more popular. This is largely due to changes in our lifestyles, which mean that we spend more time indoors and we devote more of our minutes to activities like washing and cooking. As a result, our homes generate more moisture through water vapour.

Warm Flat Roofing

Warm flat roofing construction houses insulation above the timber rafters or between the structural beams and supports. This maximises warmth, meaning that the roof is kept a temperature that is consistent with the temperature of the internal rooms of the property. With a warm flat roof, the entire building becomes warmer, and the risk of cold bridging is reduced. Cold bridging facilitates increased energy and heat loss. As well as conserving heat and cutting energy bills, warm flat roofs also enable moisture to escape from the property, subsequently lowering the risk of damp and rot.

Cold Flat Roofing

Cold flat roofing construction differs to warm flat roofing because the insulation layer is located either between or beneath the timber rafters. The location of the layer renders the roof cold, and means that a membrane is required between the insulation and the structure of the roof to prevent damp. Cold flat roofing is relatively simple to install and it’s cheaper, but it may not be as well as suited to our modern lifestyles as warm cold roofing.

Which option is best for me?

Warm flat roofing is more expensive than cold flat roofing, but there are advantages that could cut costs in the long-run. Warm flat roofs conserve heat and reduce the loss of energy and warmth. They are also more suited to the way we live now, as we spend more time indoors. Cold flat roofs are often easier to install and they’re a cheaper option, but they require a ventilation system to be fitted to reduce the risk of damp. Damp occurs when excess moisture collects within the property, and it can cause widespread problems. If you start to notice a musty smell or dark patches appearing on the walls or ceilings, these could be signs of damp.

If your flat roof needs updating or replacing, it’s worth considering both options, weighing up the costs and exploring the advantages and disadvantages before making a decision. If you need advice or help, an expert flat roofer can provide detailed information about the two options and make recommendations based on your property and your budget.

Cold and warm flat roofing constructions offer different levels of insulation. If you’re having your flat roof repaired, it’s a good idea to think about which option would suit you best and to get some advice from experienced flat roofers.

Warm and Cold Flat Roofing Construction

Contact Us For A Obligation Free Quote or Roof Assessment

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Red Kite Roofing (Bucks), Aylesbury, HP21 9BH

Red Kite Roofing (Ceredigion), Cardigan, SA43 2JE

0330 100 5483


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