for Cold Climate Housing and much more

Last Updated: , Created: Thursday, October 14th, 1999

LOOSE FILL POURED: POLYSTYRENE BEADS

Colour: White

Thermal Resistance: RSI - .020/mm R - 2.8/in. Fair

Cost: Low

Capacity to dry out if wet: Good

Fire Resistance: Poor

Fungus / Vermin Resistance: Fair

Limitations:
-- Highly flammable.
-- Very light and difficult to keep from blowing around during and after installation.
-- Highly susceptible to static electricity and hence difficult to fill cavities. Working on humid days will help.
-- Difficult to locate supply -- often sold as packing material, not insulation. Should be 5 mm (1/4 in.) diameter beads.

Advantages:
-- Pours easily and cleanly.

Applications:
-- Filling concrete block cavities.

 


Keywords: Types, R-Value, Insulation

Article 804