Vermiculite And Perlite Insulation Materials

Perlite vs vermiculite tests peformed by dynatherm engineering reveal that perlite is 6 more eflective as a core fill insulation than vermiculite.

Vermiculite and perlite insulation materials.

Insulation r values of various materials. Vermiculite insulation materials aren t widely used today because they sometimes contain asbestos. Perlite vermiculite packaging industries. Vermiculite and perlite insulation materials are commonly found as attic insulation in homes built before 1950.

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. Used by itself or as a mixture with other mediums. Perlite is harder is white in color and is made out of mined volcanic rock. Environmental protection agency asbestos is not intrinsic to vermiculite.

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. The supply for the perlite is a nursery they use it for potting soil additive. It s the same material used in gas fireplaces with ceramic logs to help the flame spread across the burner more evenly. 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.

Material safety data sheet p erlite resources oregon health authority public health. Where does the asbestos come from and why is it a health concern. Perlite is one of the best hydroponic growing mediums around. Rado howdy thanks for the rapid reply.

All of these materials come in the form of tiny beads pebbles or pellets. However according to the u s. By vermiculite versus perlite as thermal insulation materials. 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.

Panded vermiculite make it useful in lawn and garden agricultural and horticultural products. Thermal conductivity of perlite is also very similar to what vermiculite insulation material provides. Both perlite and vermiculite are made by heating pellets of volcanic rocks until they pop which causes them to expand to. Perlite has good wicking action which makes it a good choice for wick type hydroponic systems.

Other common uses are as thermal and sound insulation construction material insulation material and for lightweight absorbent packaging material.