A wall comprises building blocks with opposing like outer members spaced apart by at least two risers as cross members inward from outer member ends leaving a center open with a void between the outer members and the risers. The risers extend from the bottom of the block to above the outer member tops. A continuous tongue projects upward from the top of the outer members parallel thereto along the length of the outer member and mates with grooves along the bottom of a similar outer member stackable thereon for ease of block alignment. A next stacked block is nailed to the risers projecting into its center.

Embodiments herein relate to sill cleats for fenestration systems. In an embodiment, a fenestration system is included having a frame assembly including a sill with a bottom side. The bottom side can include a first edge projection, a second edge projection, and can define a cavity. The system can also include a sill cleat with a first angled surface configured to engage the first edge projection upon movement of the sill in a first direction. The sill cleat can also include a second angled surface disposed on an opposite side of the sill cleat from the first angled surface configured to engage the second edge projection upon movement of the sill in a second direction. Other embodiments are also included herein.

Embodiments herein relate to multi-part sill assemblies for fenestrations. In an embodiment, a multi-part sill assembly for a fenestration unit is included having an exterior sill subunit and an interior threshold subunit. The exterior sill subunit can be formed of a metal and the interior threshold subunit can be formed of a composite material. The interior threshold subunit can be joined to the exterior sill subunit by at least three different points of contact. The three different points of contact can include a pivoting joint; a locking joint; and an adhesive joint. Other embodiments are also included herein.

Embodiments herein relate to multi-part sill assemblies for fenestrations. In an embodiment, a multi-part sill assembly for a fenestration unit is included having an exterior sill subunit and an interior threshold subunit. The exterior sill subunit can be formed of a metal and the interior threshold subunit can be formed of a composite material. The interior threshold subunit can be joined to the exterior sill subunit by at least three different points of contact. The three different points of contact can include a pivoting joint; a locking joint; and an adhesive joint. Other embodiments are also included herein.

A threshold assembly has an interior side, an exterior side opposite the interior side, a top side, and a bottom side opposite the top side and includes a substrate and a sill deck. The sill deck is attached to the substrate and includes a deck cover and a sill track. The deck cover may be positioned over a portion of the substrate. The deck cover extends towards the exterior side of the threshold assembly. The sill track has an attachment wall, an exterior wall, and a bottom wall, the attachment wall is positioned on an exterior side of the substrate. The exterior wall is positioned on an exterior side of the attachment wall and defines the exterior side of the threshold assembly. The attachment wall and the exterior wall define a channel therebetween with the channel being open upward and closed on the bottom by the bottom wall.

A threshold assembly has an interior side, an exterior side opposite the interior side, a top side, and a bottom side opposite the top side and includes a substrate and a sill deck. The sill deck is attached to the substrate and includes a deck cover and a sill track. The deck cover may be positioned over a portion of the substrate. The deck cover extends towards the exterior side of the threshold assembly. The sill track has an attachment wall, an exterior wall, and a bottom wall, the attachment wall is positioned on an exterior side of the substrate. The exterior wall is positioned on an exterior side of the attachment wall and defines the exterior side of the threshold assembly. The attachment wall and the exterior wall define a channel therebetween with the channel being open upward and closed on the bottom by the bottom wall.

An automatic door seal assembly for a door is provided. In one aspect, the assembly includes a magnet secured to a surface of a doorway or a floor area within the doorway adjacent to an edge of the door in a closed position. The assembly further includes a door edge assembly configured to mount to an edge of the door and having a base and a sealing strip assembly with a ferromagnetic part. The sealing strip assembly is generally movable between a retracted position and an extended position relative to the base, wherein the magnet transitions the sealing strip assembly to the extended position as the door approaches the closed position to contact and seal against one or more of the surface of the doorway, the floor area within the doorway, and the magnet.

An automatic door seal assembly for a door is provided. In one aspect, the assembly includes a magnet secured to a surface of a doorway or a floor area within the doorway adjacent to an edge of the door in a closed position. The assembly further includes a door edge assembly configured to mount to an edge of the door and having a base and a sealing strip assembly with a ferromagnetic part. The sealing strip assembly is generally movable between a retracted position and an extended position relative to the base, wherein the magnet transitions the sealing strip assembly to the extended position as the door approaches the closed position to contact and seal against one or more of the surface of the doorway, the floor area within the doorway, and the magnet.

A prefabricated window sill 10 suitable for external use comprises a closed cast outer shell 12 having at least an upper surface 16, a lower surface 18, a front surface 20, a rear surface 22 and first and second end surfaces 24, 26. The shell is made from a composite of a plastic polyester resin mixed with either crushed marble or crushed glass, with a catalyst which causes the resin to set; the shell being filled with an expanded plastics foam.

A prefabricated window sill 10 suitable for external use comprises a closed cast outer shell 12 having at least an upper surface 16, a lower surface 18, a front surface 20, a rear surface 22 and first and second end surfaces 24, 26. The shell is made from a composite of a plastic polyester resin mixed with either crushed marble or crushed glass, with a catalyst which causes the resin to set; the shell being filled with an expanded plastics foam.