Building material with protection from insects, molds, and fungi
AssigneeAFM Corporation
InventorThomas L. Savoy
Life of this patent
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Abstract
An insulated building panel for use in residential or commercial construction comprising a core of expanded polystyrene (EPS) bonded to at least two exterior skins of oriented strand board by a urethane laminating adhesive and treated with a sodium borate, such as disodium octaborate tetrahydrate, to preserve and protect the building panels from attack by many types of insects, molds, and fungi is disclosed. In an alternative embodiment, EPS for a variety of construction and insulating uses so protected are disclosed.
Claims9
A building material comprising:
- (a) expanded polystyrene;
- and
- (b) a treatment chemical comprised of a borate having insecticidal and fungicidal properties mixed throughout a least a portion of said expanded polystyrene.
A process for making a building material comprising the steps of:
- (a) mixing a borate having insecticidal and fungicidal properties with beads of a polystyrene;
- and
- (b) expanding said mixture.
A process for making a building material comprising the steps of:
- (a) expanding a polystyrene into a mold;
- and
- (b) treating said polystyrene with a borate having insecticidal and fungicidal properties.
Dependencies are inferred from the claim text.