Siding with loose plastic film facing

Claim 2

A. Architectural siding board for the exterior wall surface of a building comprising b. a siding backerboard having a weather surface which is normally exposed when the siding is installed in place on a building structure to provide overlapping courses, c. a film of flexible plastic sheet material secured to said backerboard only at unexposed locations on the siding, d. said film lying unadheredly against and in direct contact with the backerboard at all surfaces which are exposed to the weather when the siding is installed, said film being of soft, non-rigid material smoothly stretched over the exposed surface of the backerboard and having sufficient elasticity to resume its smooth appearance even when the siding is struck sufficiently hard to dent the backerboard beneath the film.

Claim 3

a. Architectural siding board for the exterior wall surface of a building comprising b. a siding backerboard having a weather surface which is normally exposed when the siding is installed in place on a building structure to provide overlapping courses, c. a film of flexible plastic sheet material secured to said backerboard only at unexposed locations on the siding, d. said film lying unadheredly against the backerboard at all surfaces which are exposed to the weather when the siding is installed, said film being of soft, non-rigid material smoothly stretched over the exposed surface of the backerboard and having sufficient elasticity to resuMe its smooth appearance even when the siding is struck sufficiently hard to dent the backerboard beneath the film, e. including means for securing the plastic sheet to the backerboard, f. said means comprising a horizontally extending lock strip of rigid material secured to the plastic sheet near its upper edge and to the upper portion of said backerboard, g. said lock strip comprising means for firmly retaining the lower edge of an adjacent similar siding unit when installed on a building.

Claim 4

a. Architectural siding board for the exterior wall surface of a building comprising b. a siding backerboard having a weather surface which is normally exposed when the siding is installed in place on a building structure to provide overlapping courses, c. a film of flexible plastic sheet material secured to said backerboard only at unexposed locations on the siding, d. said film lying unadheredly against the backerboard at all surfaces which are exposed to the weather when the siding is installed, said film being of soft, non-rigid material smoothly stretched over the exposed surface of the backerboard and having sufficient elasticity to resuMe its smooth appearance even when the siding is struck sufficiently hard to dent the backerboard beneath the film, e. including means for securing the plastic sheet to the backerboard, f. said means comprising a horizontally extending lock strip of rigid material secured to the plastic sheet near its upper edge and to the upper portion of said backerboard, g. said lock strip comprising means for firmly retaining the lower edge of an adjacent similar siding unit when installed on a building.

Claim 5

The invention according to claim 2, h. and a second lock strip of rigid material secured to the lower edge of said plastic sheet and to said backerboard, i. said second strip having a portion adapted to interlock with the first strip of an adjacent course of siding when installed, j. said second strip being secured to the backerboard adjacent the bottom edge of the backerboard.

Claim 6

The invention according to claim 3, k. said first lock strip having an upwardly hooked projecting edge, l. and said second strip having a downwardly hooked projecting edge dimensioned and located to fit into the upwardly projecting edge of the first strip of an adjacent course when installed.

Claim 7

The invention according to claim 1, e. said film of plastic sheeting being in the form of a sleeve which is tightly fitted to the backerboard to cover it on all sides.

Claim 8

a. Architectural siding board for the exterior wall surface of a building comprising b. a siding backerboard having a weather surface which is normally exposed when the siding is installed in place on a building structure to provide overlapping courses, c. a film of flexible plastic sheet material secured to said backerboard only at unexposed locations on the siding, d. said film lying unadheredly against the backerboard at all surfaces which are exposed to the weather when the siding is installed, e. including means for securing the plastic sheet to the backerboard, f. said means comprising a horizontally extending lock strip of rigid material secured to the top edge of said plastic sheet and to the upper portion of said backerboard, g. said lock strip comprising means for firmly retaining the lower edge of an adjacent similar siding unit when installed on a building, h. and a second lock strip of rigid material secured to the lower edge of said plastic sheet and to said backerboard, i. said second strip having a portion adapted to interlock with the first strip of an adjacent course of siding when installed, j. said second strip being secured to the backerboard adjacent the bottom edge of the backerboard, k. said first lock strip having an upwardly hooked projecting edge, l. and said second strip having a downwardly hooked projecting edge dimensioned and located to fit into the upwardly projecting edge of the first strip of an adjacent course when installed, m. the non-projecting edge of each of said strips fitting into and retained by a horizontally extending slot or kerf cut into the backerboard.

Claim 9

a. Architectural siding board for the exterior wall surface of a building comprising b. a siding backerboard having a weather surface which is normally exposed when the siding is installed in place on a building structure to provide overlapping courses, c. a film of flexible plastic sheet material secured to said backerboard only at unexposed locations on the siding, d. said film lying unadheredly against the backerboard at all surfaces which are exposed to the weather when the siding is installed, e. including means for securing the plastic sheet to the backerboard, f. said means comprising a horizontally extending lock strip of rigid material secured to the top edge of said plastic sheet and to the upper portion of said backerboard, g. said lock strip comprising means for firmly retaining the lower edge of an adjacent similar siding unit when installed on a building, h. and a second lock strip of rigid material secured to the lower edge of said plastic sheet and to said backerboard, i. said second strip having a portion adapted to interlock with the first strip of an adjacent course of siding when installed, j. said second strip being secured to the backerboard adjacent the bottom edge of the backerboard, k. said first lock strip having an upwardly hooked projecting edge, l. and said second strip having a downwardly hooked projecting edge dimensioned and located to fit into the upwardly projecting edge of the first strip of an adjacent course when installed, m. the non-projecting edge of each of said strips fitting into and retained by a horizontally extending slot or kerf cut into the backerboard.

Claim 10

a. Architectural siding board for the exterior wall surface of a building comprising b. a siding backerboard having a weather surface which is normally exposed when the siding is installed in place on a building structure to provide overlapping courses, c. a film of flexible plastic sheet material secured to said backerboard only at unexposed locations on the siding, d. said film lying unadheredly against the backerboard at all surfaces which are exposed to the weather when the siding is installed, e. said film of plastic sheeting being in the form of a sleeve which is tightly fitted to the backerboard to cover it on all sides, f. including a horizontal kerf or narrow slit cut into the backerboard near the top edge of one side and near the bottom edge of the other side, g. the plastic material of the sleeve being pushed into said kerf so as to take up the slack and produce a tight fit, h. and A strip of rigid material having one edge thereof tightly wedged into each of said kerfs to retain the sleeve material therein, i. the other edge of each strip projecting out from the backerboard at an angle so as to engage and lock with the oppositely corresponding strip of the next adjacent course of siding when installed.

Claim 11

a. Architectural siding board for the exterior wall surface of a building comprising b. a siding backerboard having a weather surface which is normally exposed when the siding is installed in place on a building structure to provide overlapping courses, c. a film of flexible plastic sheet material secured to said backerboard only at unexposed locations on the siding, d. said film lying unadheredly against the backerboard at all surfaces which are exposed to the weather when the siding is installed, e. said film of plastic sheeting being in the form of a sleeve which is tightly fitted to the backerboard to cover it on all sides, f. including a horizontal kerf or narrow slit cut into the backerboard near the top edge of one side and near the bottom edge of the other side, g. the plastic material of the sleeve being pushed into said kerf so as to take up the slack and produce a tight fit, h. and A strip of rigid material having one edge thereof tightly wedged into each of said kerfs to retain the sleeve material therein, i. the other edge of each strip projecting out from the backerboard at an angle so as to engage and lock with the oppositely corresponding strip of the next adjacent course of siding when installed.