What degree of roof pitch is required for PREFA roofs?

Tabelle

PREFA R.16 roof tiles in P.10 light grey

Minimum roof pitch with PREFA R.16 roof tiles:

from 17°: installation on solid sheathing (at least 24 mm thick)

PREFA roof tiles with snow guards in P.10 anthracite

Minimum roof pitch with PREFA roof tiles:

Rafter length up to 7 m = from 12° (approx. 21%) rafter length between 7 and 12 m  = from 14° (approx. 25%) rafter length over 12 m  = from 16° (approx. 29%)

Minimum roof pitch with PREFA rhomboid roof tiles 44 × 44:

from 12°: installation on solid sheathing (at least 24 mm thick)

PREFA rhomboid roof tiles 29×29 with snow guards

Minimum roof pitch with PREFA roof tiles:

From 22° (approx. 40%) installation on solid sheathing.

PREFA shingles with snow guards

Minimum roof pitch with PREFA shingles:

From 25° (approx. 47%) installation on solid sheathing

PREFA DS.19 shingle P.10 oxide red

Minimum roof pitch with PREFA DS.19 shingle

from 17° from 17 to 25° you need solid sheathing

MINIMUM ROOF PITCH WITH PREFA FX.12 ROOF PANELS:

from 17°: installation on solid sheathing (at least 24 mm thick)

PREFA Prefalz in P.10 tile red

Minimum roof pitch with Prefalz:

from 3° (approx. 6%)

About roof pitch (Part 2)

Recommendation: plan a minimum substructure roof pitch of ≥ 7º (13%). However, the standards or specialist guidelines applicable in the respective country must also be taken into account.