A building panel may be installed below a slab in the construction of buildings. The building panel supports the slab and also provides a ventilation layer that may be depressurized to eliminate or reduce infiltration of radon gas into the building. The ventilation layer may comprise channels which provide a two-dimensionally interconnected void. Ventilation panels which include collars for connecting to ventilation systems may be provided. The panels may be installed directly on compacted soil. The building panels may additionally provide sub-slab insulation and/or a capillary break for water drainage. In some embodiments the building panels are formed substantially entirely of thermal insulating material such as rigid polystyrene foam. In an example embodiment the panels are approximately 4 inches thick and have a grid of intersecting channels formed on an underside of the panels.

The present disclosure concerns a flexible thermal insulation assembly to thermally insulate matter from an external environment, the flexible thermal insulation assembly comprising a plurality of thermal insulation covering sections comprising an outer layer and an insulated matter-facing layer, the plurality of thermal insulation covering sections being configurable in an adjacent configuration wherein the plurality of thermal insulation covering sections are articulately connected to one another to substantially conform to an outer surface of the insulated matter; and an insulated matter-mounting assembly securing the plurality of thermal insulation covering sections onto the insulated matter with the insulated matter-facing layers of the plurality of thermal insulation covering sections at least partially covering the insulated matter and substantially conforming thereto. The present disclosure also concerns a method for thermally insulating matter, such as a snow heap, from an external environment.

A building-construction panel includes a tongue on one edge and a groove on an opposite edge that receives the tongue of an adjacent panel. A shoulder on the tongue-side edge defines an abutted surface that is contacted by an abutting surface on the groove-side edge to limit panel travel during installation and maintain a gap between upper edge portions of the adjacent panels. A bottom transition is formed on the groove-side edge so that the groove-side abutting surface is smaller than the tongue-side shoulder abutted surface. In this way, the relatively smaller groove-side abutting surface structurally maintains the gap but also minimizes frictional interpanel contact area to minimize squeaking. And the relatively larger tongue-side shoulder abutted surface helps keep the shoulder from being collapsed into the groove from overdriving the panels together during installation. In typical embodiments, the panel is a high-performance structural wood subflooring panel.

The Invention is primarily a series of panels that are coasters, or cubes that can be assembled into coasters, that can also be assembled into a really wide range of useful objects like homes, tables, walls, boxes and much more. The panels have smooth surfaces, surfaces with a series of interfaces, and the edges of the panels have interfaces that snap, hook, hold together magnetically, screw and assemble with these interfaces and combinations of these interfaces. The panels, and blocks and other constructions built with the pieces, are locked when spheres are inserted into them and they are locked and reinforced when poles are inserted into them.

According to one embodiment, a halogen free roof system is described. The roof system includes a structural deck that is positioned above joists or other support members. Polyisocyanurate foam insulation is positioned atop the structural deck. The polyisocyanurate foam insulation has an isocyanate index greater than 200 and includes a polyisocyanurate core having a halogen free fire retardant. A water proof membrane is positioned atop the polyisocyanurate foam insulation. The polyisocyanurate core is able to form a sufficiently stable char when exposed to flame conditions such that the polyisocyanurate core is able to pass the ASTM E-84 test.

A vacuum insulated panel (VIP) and a method of manufacturing a VIP includes a rigid core material having high insulation and low conductivity properties. The rigid core may be made of an inorganic material that effectively mimics a porous silica core material. The core material includes large particles of an inorganic material having a diameter in a range of 10 μm to 50 μm. A portion of these large particles may be ground into small particles having a diameter of less than 1 μm. The small particles are mixed with a portion of the large particles to form a core material which is then mixed with a fiber skeleton and compacted under vacuum along with a fibrous skeleton for structure. The resulting structure provides a porosity ranging from 10 nm to 1 μm in diameter.

A ventilation panel for a soil gas barrier system includes: an insulating foam body having first and second opposing faces and a plurality of grooves to define, in cross-section, an interconnected plurality of ventilation channels having walls that extend into the ventilation panel from the second face toward the first face; and a film of substantially gas-impervious material attached to at least one of the first face and the second face.

The present invention relates to a building exterior panel and an assembly structure thereof. A building exterior panel according to an embodiment of the present invention comprises: a front steel plate; a rear steel plate spaced apart from the front steel plate in the rear direction thereof; an upper frame disposed between the upper ends of the front steel plate and the rear steel plate and having a width in the thickness direction; a first side frame disposed at an end of a first side surface located at one end among horizontal opposite ends of the front steel plate and the rear steel plate; a second side frame disposed at an end of a second side surface located at the other end among the horizontal opposite ends of the front steel plate and the rear steel plate; and a lower frame disposed between the lower ends of the front steel plate and the rear steel plate. In addition, an assembly structure of a building exterior panel according to an embodiment of the present invention comprises: a plurality of building exterior panels as described above; and a base steel member having one side fixed to an outer wall and the other side coupled to the plurality of building exterior panels to support the plurality of building exterior panels.

The present disclosure provides skirt panel systems for a post-frame building, comprising: one or more precast skirt panels, each of the precast skirt panels having an outer surface to be oriented away from the interior of the post-frame building, an inner surface to be oriented towards the interior of the post-frame building, a top, a bottom, and two opposing ends, each of the precast skirt panels configured for attachment to at least one post of the post-frame building, and each of the precast skirt panels configured for abutting each other end-to-end to form a skirt wall on the post-frame building; and an attachment apparatus for attaching the one or more precast skirt panels to the at least one post. The present disclosure also provides methods for constructing a post-frame building using such systems.

A composite panel for use in applications such as mobile homes, boats, buses, RVs, or other panels used typically in transportation applications, where a single piece, water resistant, lightweight panel with patterned high-strength areas is needed. The composite panel generally includes internal preforms made of low-density material such as urethane foam, which create patterned structural portions of the panel during the molding process. The patterned structural portions are formed by a maze-like region within a mold, into which composite matrix material is infused. The patterned structural portions have high strength compared to the other regions of the panel, and can be used for structural support or for retaining fasteners for appliances, walls, etc.