Page 6 of catalogue Twin trough gutter tile of Dachziegelwerke Nelskamp GmbH

Classification of additional measures for the twin trough gutter tile D 15 Ü according to the basic rules of the German Roofing Trade, 30° regular roof pitch, minimum roof pitch 10°
Use of the attic. in particular for living Roof pitch in degrees (rafter pitch) no further increased requirement * 30° * 24° * 20° * 10° underlayment rainproof roof substructure rainproof roof substructure Higher requirements Design *with special roof shapes *with long rafters *with very jointed roof areas (e.g. through dormers. valleys. etc.) one further increased requirement underlayment underlayment rainproof roof substructure waterproof roof substructure Climatic conditions *exposed location *extreme locations *snowy areas *windy areas *special meteorological conditions two further increased three further increased requirements requirements overlapping or interlocked underlayment undercover overlapping or interlocked welded or undercover bonded undercover waterproof roof substructure waterproof roof substructure

rainproof roof substructure waterproof roof substructure

* The additional measures named in the table are minimum measures. With very high requirements and/or special local conditions a higher-value additional measure should be chosen (Leaflet for roof substructures, Table 1, German Roofing Trade Rules). Higher-value additional measures can always be used in place of the minimum measures.

Roof Lathing in conjunction with ridge flaps (dry ridge)
Supporting laths: The following min. cross-sections must be used: (rules for roofing, notes on wood and timber materials) Nom. cross-sections of support laths 30 x 50 mm 40 x 60 mm Rafter intervals (unit spacing) ≤ 80 cm ≤ 100 cm Sizing class S 10 S 10

Eaves lath ~ 40 cm to end of rafter

Counter-laths: Rec. thickness of counter-laths acc. to rules for roofing (notes on wood and timber materials): Rafter length up to 8 m up to 12 m over 12 m Rec. thickness 24 mm 30 mm 40 mm

3.5 ~ 3 2 cm . 35 3.5 gth ~ 3 2 cm len er 5. 3 aft R

X

Distance upper support lath to ridge crown (see table)

RP ≤ 30° > 30° - ≤ 45° > 45° X ~ 40 mm ~ 35 mm ~ 30 mm Covering length The dimensions are planning figures and should be checked before laying.

Details eaves design
The dimensions are planning figures and should be checked before laying depending on the design and local circumstances.

1 With gutter & vent element
ter raf of nd e to

2 High-level gutter (recommended for flat roof pitches < 22°)
Tile overhang in gutter max. 1/3 of gutter width
to 2 cm h~3 s lat Eave of end r rafte

~ th s la ave E

cm 40

Vent element

Eaves plate Fresh air Drip plate