This “L”-shaped room is locat­ed under one of the roof slopes, almost under the ceil­ing. It is enough to make min­i­mal efforts to make it an office or a bed­room for friends. On this rel­a­tive­ly small space between mas­sive walls, a load-bear­ing wood­en struc­ture was built in com­pli­ance with the usu­al pro­por­tions for wood­en build­ings.


Room on the mezzanine

The struc­ture, made of sol­id oak, rests in front on a cross beam and two sup­port posts (incross sec­tion 200200mm). When choos­ing ele­ments, you should not be guid­ed only by their appear­ance. Don’t For­get Their Pri­ma­ry Pur­pose- light­en the load on the beam embed­ded in the wall mason­ry.

The poles are attached to the side walls and to the floor with screws with a diam­e­ter of 10mm and length about 600mm. The heads of the screws are recessed into drilled holes (cham­fers) and closed with plugs made from oak scraps. On the pro­trud­ing part of the struc­ture, only a sol­id and strong par­ti­tion can pro­vide suf­fi­cient bear­ing capac­i­ty for the entire struc­ture. If there are doubts about its strength, it is bet­ter to move the pil­lars 10 cen­time­ters deep, even if this slight­ly reduces the area of ​​the struc­ture.

In front of the mez­za­nine on the trans­verse beam are six lon­gi­tu­di­nal logs. Their oppo­site ends are sup­port­ed by a grooved trans­verse lag, fixed with screws in the wall.

The floor and its foundation

Room on the mezzanineAssem­bly scheme The floor is made of oak par­quet boards nailed to lon­gi­tu­di­nal joists. FROMon the under­side it is only par­tial­ly cov­ered with gyp­sum boards; this empha­sizes the light­ness of the whole struc­ture. The slabs do not reach the cross beam by 600mm, leav­ing a strip of par­quet vis­i­ble from below. ATIn the depths of the room, the plates are attached with screws direct­ly to the trans­verse log with grooves. In order to strength­en them in front and in the cen­ter of the struc­ture, two thick back­ing bars are per­pen­dic­u­lar­ly strength­ened under the lags. The front bar is hid­den by a belt cor­nice, con­sist­ing of boards with grooves laid end-to-end.


A pre­fab­ri­cat­ed para­pet, nec­es­sary for secu­ri­ty, cov­ers the front of the mez­za­nine. FROMOn the sides, the mez­za­nine is sup­port­ed by two posts attached to the walls, which, for aes­thet­ic rea­sons, con­tin­ue to the roof slope. ATthe low­er part of each post has a groove cut into the low­er frame of the para­pet. The para­pet handrails on both sides fit into grooves made accord­ing to their shape.

Room on the mezzanine
A hole was drilled in the cen­ter of the base of the sup­port post, through which a rod was passed with the base screwed through the tiles to the floor. The whole struc­ture is rein­forced with mor­tar.
Room on the mezzanine
Screws are screwed through drilled holes of the appro­pri­ate diam­e­ter with cylin­dri­cal cham­fers 20 deep.mm for recess­ing screw heads, which are then closed with a plug.
Room on the mezzanine
The sup­port posts and the cross beam are con­nect­ed by means of spikes and grooves. In addi­tion, the beam on both sides enters the walls by 8–10 cm.
Room on the mezzanine
Lon­gi­tu­di­nal logs attached to the first back­ing bar are laid in the gap between the sheath­ing plates and the floor. They pass through the grooves cor­re­spond­ing to the sec­tion of the trans­verse log.
Room on the mezzanine
To make holes in the para­pet posts to secure the para­pet itself, make a card­board tem­plate exact­ly along the con­tour of the cross-sec­tion of the parts.
Room on the mezzanine
Accord­ing to the same prin­ci­ple, grooves are made for the low­er frame of the para­pet and the log sup­port­ing it. Before final fas­ten­ing, check their ver­ti­cal­i­ty.
Room on the mezzanine
First you need to strength­en the para­pet on the pil­lars, lay­ing them on the floor. Then lift the entire struc­ture (two peo­ple can do this) and attach with screws.

  • Source: Ideas for Your Home Magazine#9