Insulated sport/utility shelter
View Patent ↗The present invention relates to an outdoor shelter, such as a hunting blind consisting of a rectangular structure with roof and floor. The outer surface is coated with a spray closed cell foam insulation material, such as spray polyurethane. The foam is coated with a waterproof flexible membrane, such as a waterproof flexible latex paint.
1. A rigid enclosure for outdoor sporting activities having an assembly of rigid building material assembled to construct the enclosure comprising at least four spaced apart side walls, a floor, a roof, and at least one of a door, a window, and a shooting vent consisting essentially of:
a) panels of a rigid porous material attached to themselves or to a rigid frame to form the walls, floor and roof;
b) an entire outer surface of the walls, floor, and roof are spray coated with a composition consisting of a closed cell spray foam of a least about a two lb. per cubic foot density; and
c) wherein the outside surface of the foam is coated with a composition consisting of water-based UV coating and the inner surface of the enclosure is not insulated.
2. The enclosure according to claim 1 wherein the spray foam has a density of from about a 2 lb. per cubic foot density to a 3 lb per cubic foot density.
3. The enclosure according to claim 1 where in the closed cell spray foam is spray polyurethane foam.
4. The enclosure according to claim 1 wherein the panels are constructed of wood or wood product.
5. The enclosure according to claim 4 which comprises a lumber frame.
6. The enclosure according to claim 4 where in the panels are fiberboard or plywood.
7. The enclosure according to claim 1 wherein the panels are a rigid polymer.
8. The enclosure according to claim 1 which further comprises a stand for elevating the enclosure off the ground.
9. The enclosure according to claim 1 wherein the sporting enclosure is a hunting blind.