A crawl space installed under the house can make the home colder in the winter than a house built on a concrete slab. Mold and mildew are the common problems in a crawl space, so you need to guard your home against that as well. In order to keep the floors warmer and prevent mold and mildew from growing in the crawl space, requires installation of crawl space insulation. The insulation seals out drafts and prevents warm air from escaping out through the space. It is an efficient way to deal with the part of the house that is prone to dampness.

The insulation materials that are required for installing a crawl space range from huge fiber materials like cellulose fiberglass, slag wool and natural fibers to rigid foam boards to thin foils. Huge materials withstand conductive and convective flow of heat in a building cavity. Rigid foam boards trap air or any other gas to oppose conductive heat flow. Highly reflective foils reflect high temperature far from living spaces, making them especially helpful in cooling weather. Other common insulation materials are:

Fiberglass : It is a standout among the pervasive insulation materials made of fine glass fibers. It is available as duct insulation and rigid boards and is generally used for two types of insulation: loose-fill and blanket. The medium and high-density fiberglass batt insulation products have greater R-values as compared to other standard batt products. And, the denser products mainly insulate the regions with restricted cavity space.

Mineral wool insulation materials : The “mineral wool” consists of two different types of insulation material, i.e., slag wool and rock wool. It has about 75% of post-industrial reused materials and is commonly available as loose-fill and blanket insulation. This product doesn't require extra chemicals to make it fire safe and it fits stand wall cavities tighter and is less inclined to air convection thermal losses than other batt insulation products.

Mineral Wool Roll

Polystyrene insulation materials : It is a type of colorless and transparent thermoplastic that are essential for making foam board or bead board insulation, concrete block insulation and loose-fill insulation. There are various polystyrene materials, out of which extruded polystyrene is commonly used as foam board insulation. It is often used as the insulation for insulating concrete forms and structural insulating panels.

Polystyrene

Polyisocyanurate/Polysio insulation materials : It is a thermosetting type of plastic, closed-cell foam that has a low-conductivity, hydrochlorofluorocarbon-free gas in its cells. These types of insulation are usually available as a sprayed foam, liquid and rigid foam board which can also be turned into laminated insulation panels with a variety of facings. They are usually cheaper and perform better than foam boards because the liquid foam molds itself to all of the surfaces.

Venting always remains an adequate solution to remove moisture from under your house, but the evolving consensus is that crawl space insulation is even better. This insulation keeps homeowner rest assured that the integrity of their home is not compromised and thereby makes your house a more comfortable and healthier place to live in.

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