There are 3 types of rigid foam board insulation they are; polystyrene, polyisocyanurate and polyurethane. Each has uses they are better suited for than the others. I will talk about different type’s uses and safety measures you should take when installing attic insulation.

The first one is polyisocyanurate and polyiso foam boards. It is produced to withstand extreme temperatures which make it ideal for installing attic installation and floors. This type of rigid foam insulation has strong stable characteristics for a longer more productive use.

The second is polystyrene It to is shaped under extreme heat and pressure. It is more expensive than polystyrene, but because of its consistency, strength and higher resistance to moisture it works better when installing attic insulation and in walls.

The last type of rigid foam board insulation is polystyrene. It too is shaped under intense heat and force. Although it cost more, it works better when installing attic insulation and walls. This is due to its uniformity, effectiveness and moisture resistance.

Before using rigid foam insulation when installing attic insulation, there are two things to consider, moisture and flame resistance. Because of climate change moisture can escape and be trapped into the walls, causing mold and wood rot. It is highly recommended to use a vapor diffusion retarder. It takes a lot for rigid foam board insulation to ignite but when it does it burns steady. Resistant material like panel, dry wall or gypsum wallboard over top of the insulation is required

Bugs like to make nests in the insulation so if you are insulating basement or floors it is wise to use insecticide treated insulation. Also by placing the insulation on the inside you will discourage bugs.

Next we will discuss flame resistance and sunlight damage. Although it takes a lot to burn when the rigid foam board insulation begins it will burn steady. It is required to use a fire resistant material like gypsum wall board, panel or dry wall over top the insulation. If you are installing attic insulation you need to protect the insulation with roofing felt, tar, asphalt, rubberized paint or acrylic silicone.

Rigid foam insulation can be used for many things ranging from coffee mugs to homes. Although it is cheaper than some insulation correct installation is essential to get desired results. If installing the product be sure you know how know all the safety precautions and building regulations for your area.

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