Patent ID: 8104241

Claim:
A kit for framing an opening in a building, comprising pieces that completely frame the opening, precut for the opening, wherein all the pieces can be assembled together in the opening by hand and held together with a friction fit, wherein the opening is for a window, the window abutting an exterior side of the opening, the opening having a wall portion and an interior side, and wherein the pieces include: a head trim for framing a top portion of the opening and abutting the interior side; a pair of side trim for framing side portions of the opening and abutting the interior side; a sill trim for framing a bottom portion of the opening and abutting the wall portion; a pair of jamb extenders for framing the side portions of the opening and abutting the wall portion, the jamb extenders respectively coupling with the side trim, and both coupling with the sill trim; and wherein at least one of the pieces include a tongue adapted to insert into a groove in the window in the opening, and wherein the at least one piece further includes an outer flange that extends in a common direction with the tongue and spaced from the tongue by an amount corresponding to a portion of the window between the groove and a surface of the window, and wherein the spaced amount is adapted to cause the at least one piece to engage with the portion of the window with the friction fit when the tongue is inserted into the groove and the outer flange simultaneously presses against the exterior surface, and wherein the at least one piece further includes: a U-shaped pair of prongs extending in an opposite direction from the tongue and outer flange, the U-shaped pair of prongs being adapted to grasp the jamb extenders, wherein the U-shaped pair of prongs are separated so as to engage with the jamb extenders with the friction fit when the U-shaped pair of prongs couple to the jamb extenders.