## Calculation of the length and width of the tile cover

Calculation of the length and width of the tile cover:

Calculation of the length and width of lap tile coverage.

Overlap tiles are a covering laid on an overlap specified by the factory with the dimensions of the locks. Zamki

## Attic with an insulated roof above the rafters

The roof is insulated above the rafters with extruded polystyrene plates.

Roof with thermal insulation of the slope made of extruded polystyrene boards on full boarding above the rafters, makes it possible to display the roof truss as an element …

## Usable attic in a frame and transom building with an internal knee wall

Usable attic in a frame and transom building with an internal knee wall.

The skeleton and transom structure made of massive structural elements allows the use of traditional collar beam roof trusses. Due to the forces acting in the collar trusses …

## Unused attic in a frame building

Full hood with rails.

The thermal insulation of the skeleton wall is led to the cap, on which the roof truss is supported. The roof in a frame building is usually insulated, as is the ventilated bipartite flat roof – …

## Unusable attic in a brick building

Unusable attic in a brick building.

In the unused attic, the thermal insulation is placed on the ceiling of the last floor. Columns are usually used in a roof truss with longer span trusses, które opierają się

## Designing the ventilation gap of roof slopes

The undercoat is spread over the rafters with a slight slack, with connections of horizontal lap stripes.

When designing the ventilation gap, calculations are made for a roof strip with a width 1 meters. Pole

## Mansard roof

A mansard roof with a claw-purlin structure.

The claw-purlin truss in the mansard roof has a purlin beam supporting the rafters of the lower and upper parts of the roof.

Roofs with a mansard structure are two-story roofs. lower part …

## Polish mansard roof with a collar beam structure

Polish mansard roof with the same angle of inclination of the roof slopes.

The collar beam in the Polish broken roof has three horizontal beams:
• the lower purlin between the columns for the rafters of the lower slope,
• cap …

## Lukarna – goiter eye

The structure of the “ox-eye” dormer made in a collar roof with a recessed knee wall.

A free-eye dormer is created by stretching the surface formed by the roofing without breaking it, co …

## A dormer with a wooden structure and a gable roof

Dormer structure covered with a gable roof, made in a claw-purlin roof with a recessed knee wall.

To illuminate the attic, dormers with a gable roof are most often used.

The dormer structure consists of: front wall …