R.16 ROOF TILE - CAD DETAILS - Roofing snow guards and roof constructions

Oct 25, 2026

Uploaded by Ezra

R.16 ROOF TILE CAD DETAILS document provides installation and construction diagrams for roof tile systems, emphasizing roof safety, watertight junctions, and ventilation. It includes contents covering minimum roof pitch, snow guard installation diagrams (1–3) and key roof constructions such as single-skin and double-skin assemblies, ridge and hip components, eaves variants with different gutter brackets, flashing types, valleys, anchors, and roof window flashing for different pitch ranges. It also references engineering product versioning and governing standards for structural snow loads.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages41

Reading Time1 h 43 min

AccessFree to download

Contents

Minimum roof pitch

Snow guards – installation diagrams (R.16 1, R.16 2, R.16 3)

Roof constructions

Ridge, hip, and eaves constructions

Flashing, valleys, and connections

Roof accessories and anchors

| | R.16 | ROOF TILE
CAD DETAILS | | --- | --- | --- | |
CONTENTS:
2 MINIMUM ROOF PITCH
3 snow guards – installation diagram R.16 1
4 snow guards – installation diagram R.16 2
5 snow guards – installation diagram R.16 3
6 single-skin roof construction
7 double-skin roof construction
8 ridge construction—ridge vent
9 ridge construction—hip cap
10 mono-pitched roof construction
11 eaves construction with gutter
12 eaves construction with box gutter
13 eaves construction with upright gutter bracket
14 eaves construction with upright gutter bracket (variant 1)
15 eaves construction with upright gutter bracket (variant 2)
16 eaves construction with on-roof gutter
17 roof verge construction with verge flashing
18 roof verge construction with recess
19 roof verge construction with bargeboard
20 wall flashing
21 roof parapet flashing
22 lateral wall connection
23 valley construction with safety valley
24 valley construction with simple valley
25 valley construction with recessed valley
26 valley construction with recessed valley
27 frog-mouth vent cover
28 roof anchor hook
29 Roof window flashing on a roof pitch over 25° .
30 Roof window flashing with an insert wedge on a roof pitch over 25° .
31 Roof window flashing with wedge frames under 15°
32 Roof window flashing with wedge frames under 15°
33 mansard crease
34 construction of pitch transition
35 Vario (or Fix) solar bracket
36 pipe-style snow guard system
37 pipe-style snow guard system XL
38 mountain snow-guard bracket
39 roof anchor hook according on mounts
40 safety tread
41 walkway support
Product Engineering Version: 03.07.2023 020204_EN_Details_Dach R.16_PREFA_2023-Q3 page 1 | | | | | snow guards – installation diagram R.16 1
R.16 ROOF TILE
CAD DETAILS | | --- | --- | | Installation diagram R.16 1 (1,7 per m²—must be installed along the first two rows) Basic principle: ÖNORM B 1991-1-3 and EN 1991-1-3
Product Engineering Version: 03.07.2023 020204_EN_Details_Dach R.16_PREFA_2023-Q3 page 3 | | | | snow guards – installation diagram R.16 2 R.16 ROOF TILE
CAD DETAILS | | --- | --- | | installation diagram R.16 2 (3,4 pc. per m² ; must be installed along the first two rows) Basic principle: ÖNORM B 1991-1-3 and EN 1991-1-3
Product Engineering Version: 03.07.2023 020204_EN_Details_Dach R.16_PREFA_2023-Q3 page 4 | | | | snow guards – installation diagram R.16 3 R.16 ROOF TILE
CAD DETAILS | | --- | --- | | installation diagram R.16 3 (6,8 pc. per m²)
Basic principle: ÖNORM B 1991-1-3 and EN 1991-1-3
Product Engineering Version: 03.07.2023 020204_EN_Details_Dach R.16_PREFA_2023-Q3 page 5 | | | | single-skin roof construction R.16 ROOF TILE | | --- | --- | | 1

hip and ridge cap
2 ventilation for roof tiles R. 16 via frog-mouth vents 3 R.16 ROOF TILE
4 roof underlay
5 Solid sheathing conforming to national guidelines
6 rafters
7 edge cleat strip for R.16 roof tile
8 snow guard for R.16 roof tile 9
10 eaves apron strip

10

7
possible ventilation

4

outgoing air

outgoing air

30–80*

11 edge board
CAD DETAILS
hip and ridge batten, 30 mm wide (height may differ according to roof gradient)

8

1

9

2

5

3

11
The eaves projection must not exceed 80 mm.
Product Engineering Version: 03.07.2023 020204_EN_Details_Dach R.16_PREFA_2023-Q3 page 6 | | | | double-skin roof construction R.16 ROOF TILE | | --- | --- | | | CAD DETAILS | |

1 ridge vent
2 snow guard for R.16 roof tile
3 R.16 ROOF TILE
4 Solid sheathing conforming to national guidelines
5 count

FAQs

What topics are covered in the R.16 roof tile CAD details contents?

The contents list snow guard installation diagrams, minimum roof pitch, and detailed construction assemblies including single-skin and double-skin roofs, ridge and hip components, eaves with gutters, flashing types, valleys, and roof window flashing.

How are snow guards installed according to the R.16 installation diagrams?

The document provides separate installation diagram references for R.16 snow guards (1, 2, and 3), including placement requirements along the first two rows and specified quantities per square meter.

Which roof constructions are included for different roof assembly types?

It includes both single-skin and double-skin roof constructions, plus ridge construction variants (ridge vent and hip cap) and mono-pitched roof construction, each broken down into component layers and fixings.

Oct 25, 2026

Uploaded by Ezra