Table 1 Results of the archival query and field research—general data

From: Typology, current state and non-destructive testing of timber roof trusses of historic churches in the West Vistula Delta, Poland

No. #

1

2

3

4

5

6

Location

Miłobądz

Pruszcz Gdański I

Kiezmark

Pruszcz Gdański II

Koźliny

Trutnowy

Date of church construction

14th

Mid-fourteenth century

1727

1928

Mid-fourteenth century

Mid-fourteenth century

Date of roof structure

1956

Fifteenth century

1727

1928

1686

Seventeenth century

Type of roof truss (Figs. 4 and 5)

Attic truss

King post truss

King post truss

Scissor truss

Collar beam truss wit struts

King post truss

Carpentry joint in the ridge (Fig. 6)

Pinned, bolted

Bridle joint

Bridle joint

Pinned, bolted

Bridle joint

Bridle joint

Carpentry joint: rafter and collar beam (Fig. 6)

Pinned, bolted

Lap joint

Mortise and tenon

Pinned, bolted

Mortise and tenon

Dovetail log

Wood species

Pine

Oak

Oak

Pine

Oak

Oak

Roof covering (Fig. 2)

Red tiles

Red tiles

Red tiles

Red tiles

Red tiles

Red tiles

State of conservation

Good

Good

Good

Good

Good

Good

Gracity ventilation of the attic

Intact

Intact

Intact

Intact

Intact

Intact

Carpenters' marks (Fig. 7)

None

Visible, Roman numerals II, III, IIII, V

Visible Roman numerals X, IX, IIIIX

none

Visible Roman numerals VIII, VIIII, XI and signts made with chisel or gouge

Visible Roman numerals IIII, IIIII and signs made with chisel or gouge

Remarks:

The church was burned in 1945, the roof truss was rebuilt in 1956, in 1984–1985 the roof construction was strengthened

The roof truss was rebuilt in the fifteenth century after the fire in 1460. Individual reinforcements and replacements of some structural elements carried out in the past are visible

1971–1972 roofing renovation, 2010–2012 church renovation was carried out

In 1945 the church was demolished. The roof was renovated in 2004, in 2022 a ventilation system was installed in the attic

The church was not damaged in 1945

the church tower was demolished by the Germans in 1945 before the Red Army entered. It was rebuilt in 2018 with the efforts of the parishioners