This coated metal sheet is for exterior covering, and has a metal sheet and a top coating layer disposed on the metal sheet. The top coating layer is configured from a fluororesin and contains 0.01-15 vol % of microporous particles as a gloss control agent, and the coated metal sheet satisfies the belowmentioned formulae. In the belowmentioned formulae, in the number-based particle size distribution of the gloss control agent, R is the number average particle size (μm), D.sub.97.5 is the 97.5% particle size (μm), Ru is the upper limit particle size (μm), and T is the top coating layer thickness (μm): D.sub.97.5/T≦0.9; Ru≦1.2T; R≧1.0; and 3≦T≦40.

This coated metal sheet for exterior covering has a metal sheet and a top coating layer disposed on the metal sheet, the top coating layer is configured from a fluororesin and contains a gloss control agent comprising 0.01-15 vol % of microporous particles and a matte agent comprising primary particles, and the coated metal sheet satisfies the belowmentioned formulae. In the number-based particle size distribution of the gloss control agent and the matte agent, R is the number average particle size (μm) of the gloss control agent, D1.sub.97.5 and D2.sub.97.5 represent the 97.5% particle size (μm) of the gloss control agent and the matte agent, Ru is the upper limit particle size (μm) of the gloss control agent, and T is the top coating layer thickness (μm).

D1.sub.97.5/T≦0.9

Ru≦1.2T

R≧1.0

0.5≦D2.sub.97.5/T≦7.0

3≦T≦40.

This coated metal sheet for exterior covering has a metal sheet and a top coating layer disposed on the metal sheet, the top coating layer is configured from a fluororesin and contains a gloss control agent comprising 0.01-15 vol % of microporous particles and a matte agent comprising primary particles, and the coated metal sheet satisfies the belowmentioned formulae. In the number-based particle size distribution of the gloss control agent and the matte agent, R is the number average particle size (μm) of the gloss control agent, D1.sub.97.5 and D2.sub.97.5 represent the 97.5% particle size (μm) of the gloss control agent and the matte agent, Ru is the upper limit particle size (μm) of the gloss control agent, and T is the top coating layer thickness (μm).

D1.sub.97.5/T≦0.9

Ru≦1.2T

R≧1.0

0.5≦D2.sub.97.5/T≦7.0

3≦T≦40.

Provided is a coated metal sheet for exterior use, having a metal sheet, and a top coat film situated on the metal sheet. The top coat film contains 0.2-15 volume percent of a gloss control agent composed of porous particles and a delustering agent composed of primary particles. The coated metal sheet satisfies the following expressions in which, in the number-size distribution of the gloss control agent and the delustering agent, R is the number-average particle diameter (μm) of the gloss control agent, D1.sub.97.5 and D2.sub.97.5 are 97.5% particle diameter values (μm) of the gloss control agent and the delustering agent, Ru is the upper limit particle diameter (μm) of the gloss control agent, and T is the film thickness (μm) of the top coat film.

D1.sub.97.5/T≦0.7

Ru≦1.2T

R≧1.0

2.0≦D2.sub.97.5/T≦7.0

13≦T≦20.

Provided is a coated metal sheet for exterior use, having a metal sheet, and a top coat film situated on the metal sheet. The top coat film contains 0.2-15 volume percent of a gloss control agent composed of porous particles and a delustering agent composed of primary particles. The coated metal sheet satisfies the following expressions in which, in the number-size distribution of the gloss control agent and the delustering agent, R is the number-average particle diameter (μm) of the gloss control agent, D1.sub.97.5 and D2.sub.97.5 are 97.5% particle diameter values (μm) of the gloss control agent and the delustering agent, Ru is the upper limit particle diameter (μm) of the gloss control agent, and T is the film thickness (μm) of the top coat film.

D1.sub.97.5/T≦0.7

Ru≦1.2T

R≧1.0

2.0≦D2.sub.97.5/T≦7.0

13≦T≦20.

A wall system comprising at least one wall module and at least one linking element is provided. Said wall module comprising a substantially rectangular plate (3), said rectangular plate comprising two side edges (5a, 5b), each comprising a side edge bent configuration (11), wherein said side edge bent configuration comprises a first side bend (13a), a second side bend (13b) and a third side bend (13c), wherein all three side bends (13a,b,c) are substantially 180° or 160-200° and are provided along different bending lines being parallel with the side edges (5a, 5b) of the plate. Said linking element comprises an elongated rectangular plate (33; 33′) comprising two side parts (45a, 45b: 45a′, 45b′) along a length of said plate (33; 33′) and a middle part (47; 47′) along the length of said plate between said two side parts, wherein said two side parts (45a, 45b; 45a′, 45b′) comprises locking features (43a, 43b; 201; 43a′, 43b; 43a″; 43b″; 43a′″; 43b′″), wherein the radius of the second side bend (13b) of the wall module is provided such that a side part (45a, 45b; 45a′, 45b′) of the linking element (31; 31′; 31″; 31′″; 31″) can be provided into an opening (17) between first and third bent side parts (15a, 15c) of the wall module and during the connection will be passing a third bent side part (15c) which finally will lock a side part (45a, 45b; 45a′, 45b′) of the linking element (31; 31′; 31″; 31′″; 31′″) within the side edge bent configuration (11) of the wall module (1) when a wall module and a linking element have been connected.

A wall system comprising at least one wall module and at least one linking element is provided. Said wall module comprising a substantially rectangular plate (3), said rectangular plate comprising two side edges (5a, 5b), each comprising a side edge bent configuration (11), wherein said side edge bent configuration comprises a first side bend (13a), a second side bend (13b) and a third side bend (13c), wherein all three side bends (13a,b,c) are substantially 180° or 160-200° and are provided along different bending lines being parallel with the side edges (5a, 5b) of the plate. Said linking element comprises an elongated rectangular plate (33; 33′) comprising two side parts (45a, 45b: 45a′, 45b′) along a length of said plate (33; 33′) and a middle part (47; 47′) along the length of said plate between said two side parts, wherein said two side parts (45a, 45b; 45a′, 45b′) comprises locking features (43a, 43b; 201; 43a′, 43b; 43a″; 43b″; 43a′″; 43b′″), wherein the radius of the second side bend (13b) of the wall module is provided such that a side part (45a, 45b; 45a′, 45b′) of the linking element (31; 31′; 31″; 31′″; 31″) can be provided into an opening (17) between first and third bent side parts (15a, 15c) of the wall module and during the connection will be passing a third bent side part (15c) which finally will lock a side part (45a, 45b; 45a′, 45b′) of the linking element (31; 31′; 31″; 31′″; 31′″) within the side edge bent configuration (11) of the wall module (1) when a wall module and a linking element have been connected.

A method of joining a first panel and a second panel with an adhesive and flow drill screws is provided. The adhesive is applied in a continuous strip and the flow drill screws are inserted through the first panel, the continuous strip of adhesive, and through a second panel. Material displaced by the flow drill screw forms a collar. An intermediate portion of the collar defines a bond gap for the adhesive between the panels. An assembly is made according to the method includes the intermediate collar portion formed by the flow drill screw displacing material from the panels that sets a bond gap between the first and second panels for the adhesive.

A method of joining a first panel and a second panel with an adhesive and flow drill screws is provided. The adhesive is applied in a continuous strip and the flow drill screws are inserted through the first panel, the continuous strip of adhesive, and through a second panel. Material displaced by the flow drill screw forms a collar. An intermediate portion of the collar defines a bond gap for the adhesive between the panels. An assembly is made according to the method includes the intermediate collar portion formed by the flow drill screw displacing material from the panels that sets a bond gap between the first and second panels for the adhesive.

A constructive arrangement introduced in module for panels intended to the construction of prefabricated buildings. The modules for the construction of prefabricated buildings, having the objective of facilitating the handling and portability of each module; as well as increasing the structural strength of the module, and, consequently, of the panels composed of such modules. The constructive arrangement comprises of a module consisting of a galvanized metal sheet, folded at the ends, configuring characteristic profiles in the shape of an open socket, and a closed socket, capable of configuring panels by conjoining the modules screwed together and grouped by the upper and lower profiles, characterized by having stiffening ribs near the central portion of the sheets, and stiffening ribs near the profiles.