Techniques on How to Insulate a Flat Roof from the Outside and the Inside

If you are longing to buy a flat roof house or you have actually searched and picked your options, knowing how to insulate it should be one of your priorities. To be honest, insulating a flat roof, as compared to a pitched roof, is more complex. So, you will in for a difficult task. But you just have to consider it as a challenge and know that every challenge comes with a well-deserved success. Plus, you also have professionals to assist you with if you find it hard to understand and to do. To make it easier for you, here are some helpful techniques on how to insulate your flat roof from the outside and how to insulate it from the inside.

Understanding Flat Roof Insulation

Before anything else, it is important for you to know the basics of flat roof insulation in order for you to understand the following helpful techniques. Flat roof insulation is basically done to increase energy efficiency and energy use in your home. Its main purpose is to minimize heat loss inside your home, which will result to energy-saving benefits. In general, there are two types of flat roof insulation, which will depend upon the climatic condition in your area, its location, and the local building regulations. These two types are highly related to how to insulate a flat roof from the outside and how to insulate it from the inside.

Two Major Types of Flat Roof Insulation

As mentioned previously, there are two major types of flat roof insulation. The first one is the cold roof insulation. This is when you insulate your flat roof from the inside. On the other hand, the second major type of flat roof is warm roof insulation, which is the exact opposite of cold roof insulation because, in this case, you will insulate your flat roof from the outside. At this point, we will now go to the specifics and the helpful techniques on how to insulate a flat roof from the outside and from the inside.

Cold roof insulation is more commonly used by many homeowners since it is much less expensive as compared to warm roof insulation. In this type, the insulation is snugly placed underneath the roof’s surface and in-between the joists. To be more specific, you will have to put the insulation between each of the supporting joists and leave a gap in each for about fifty (50mm) to sixty (60mm) millimeters. On the other hand, if you are going to replace the insulation in your current flat roof house, one recommended piece of advice is for you to take down your ceiling too to ensure proper installation. Also, in the case of a shallow joist above your ceiling, the best way is for you to use spray foam as your insulation.