Vermiculite And Perlite Insulation Materials

Environmental protection agency asbestos is not intrinsic to vermiculite.

Vermiculite and perlite insulation materials.

Used by itself or as a mixture with other mediums. Vermiculite is used for special coatings and packaging fire protection loose fill insulation concrete screeds and plasters swimming pool liners and potting mixes or potting soils. Vermiculite and perlite also differ when it comes to ph level which may be a consideration when you re choosing which to add to your soil. Thermal conductivity of perlite is also very similar to what vermiculite insulation material provides.

Perlite has good wicking action which makes it a good choice for wick type hydroponic systems. Both perlite and vermiculite are made by heating pellets of volcanic rocks until they pop which causes them to expand to. Vermiculite and perlite insulation materials are commonly found as attic insulation in homes built before 1950. All of these materials come in the form of tiny beads pebbles or pellets.

Perlite vermiculite packaging industries. Vermiculite is a silicate material that s brown or beige in color and has a soft sponge like texture. Supreme perlite portland oregon summary factsheet. Where does the asbestos come from and why is it a health concern.

Perlite vs vermiculite tests peformed by dynatherm engineering reveal that perlite is 6 more eflective as a core fill insulation than vermiculite. This article provides a table of insulation values and properties for various insulation materials useful in procedures to measure or calculate heat loss in a building defines thermal terms like btu and calorie provides measures of heat transmission in materials building insulation design data and heat loss in a building. By vermiculite versus perlite as thermal insulation materials. It s the same material used in gas fireplaces with ceramic logs to help the flame spread across the burner more evenly.

Other common uses are as thermal and sound insulation construction material insulation material and for lightweight absorbent packaging material. Panded vermiculite make it useful in lawn and garden agricultural and horticultural products. The supply for the perlite is a nursery they use it for potting soil additive. Material safety data sheet p erlite resources oregon health authority public health.

However according to the u s. Perlite is commonly used with vermiculite a 50 50 mix is a very popular medium and is also one of the major ingredients of soiless mix s. Perlite is harder is white in color and is made out of mined volcanic rock. Vermiculite insulation materials aren t widely used today because they sometimes contain asbestos.

Although the physical characteristics of the two materials are similar the closed cell structure and lower thermal conductivity of perlite account for perlite s superiority.