Back to results
US 5,704,172 AGranted
Rigid foam board and foundation insulation system and method for treating same with insecticide/termiticide
AssigneesThe Dow Chemical Company, Dow Elanco
InventorsBrad Gougeon, Brian D. Olson, Bruce S. Marks, Beth A. Colbert
Life of this patent
Estimating the term…
Abstract
Disclosed is a rigid polymer foam board suitable for use in a foundation insulation system. The foam board has a face defining a plurality of grooves therein which traverse in a crossing, diagonal configuration. The groove configuration facilitates the application of insecticides/termiticides in foundation insulation systems employing rigid foam boards on the exterior of the foundation.
Claims8
A foundation insulation system comprising:
- a) a foundation wall having an exterior face;
- b) a rigid foam board having opposing first and second faces, the foam board having crossing, diagonally disposed grooves defined in and traversing the first face of the board;
- the first face of the foam board being positioned adjacent and flush to the exterior face of the foundation wall;
- c) backfill positioned adjacent to the second face of the foam board such that only an upper portion of the foam board is exposed.
1 more element
A method for treating an insulating foundation wall with an insecticide/termiticide, comprising:
- a) providing a foundation wall having an exterior face;
- b) providing a rigid foam board having opposing first and second faces wherein grooves are defined in and traverse the first face of the foam board;
- c) positioning the first face of the foam board adjacent and flush to the exterior face of the foundation wall;
- d) backfilling adjacent the second face of the foam board such that only a portion of the foam board is exposed;
- e) applying insecticide/termiticide into the grooves of the foam board at the exposed portion thereof.
2 more elements
Dependencies are inferred from the claim text.