A TRUSTED FAVOURITE

Weckman W-20R/1100 is our most popular corrugated model.
It is an inexpensive and safe choice for any roof. W-20R/1100 is also available with Weckman anti-condensation coating.

Available in quality class Premium 50, Standard 40, Economy 30 and galvanised.

Spruce green RR11

Light Grey RR21

Dark grey 
RR23

Red RR29

Dark brown RR32

Black RR33

Tile Red RR750

W-20R BENEFITS

ENVIRONMENTALLY FRIENDLY

Made of 100% recyclable steel.

A WIDE RANGE

Several profile, colour and coating options and raw material thicknesses.

INEXPENSIVE

Durable, low-maintenance and long-lived.

DURABLE

Progantti roofing sheet made of extra strong 320 quality structural steel. Durability classification of up to 50 years.

TECHNICAL INFORMATION AND ROOF ACCESSORIES

Weckman W-20R technical information

Weckman W-20R

Nominal effective width

1100 mm

Profile height

20 mm

Maximum length

~8000 mm

Minimum length

400 mm

Minimum recommended roof inclination

1:7

Raw material

0,45–0,7 mm

Uses

Roofing sheet

Rib interval

300–1200 mm

Steel quality

DX51D+Z(0.45mm); S320GD+Z(0.5mm); S320GD+Z(0,6mm); S350GD+Z(0.7mm)

Fire rating

BROOF (RakMk E1)

Quality system

ISO-9001

Total width

~1135 mm

 

Dimensions according to SFS-EN 508-1 tolerances

BASIC PACKAGE

  • Roofing sheet
  • Harjalista, sileä
  • Gable flashing 160 mm
  • Screws 4.8 x 28 mm
  • Ridge seal

ACCESSORIES PACKAGE

  • Ridge ventilation piece
  • Overhang
  • Roof safety accessories
  • Drainage system

WECKMAN ANTI-CONDENSATION COATING

WECKMAN anti-condensation coating provides effective protection against moisture developing on the underside of roofing sheets. Separate roof cover sheeting may not be required.
Compared to anti-condensation sprays, our coating offers excellent absorption properties: up to 900 g/m2 on a horizontal surface 2 (water). The coating is available for models W-20R, W-45ER and W-45JR.

 

WECKMAN TRANSPARENT SHEETS

Sheets made of semi-clear carbon fibre-reinforced polyester (light transmission of 80%) are available for the W-20R/1100 profile.
Standard length 2,900 mm. Material thickness about 1 mm.

 

Installation accessories for Weckman tile pattern and corrugated roofs

Roofing sheet

Shaped ridge capping L=1,93 m

For tile pattern roofs. Recommended for roof inclinations more level than 1:2.

Wide ridge capping L=2 m

For all roof types and inclinations.

Gable flashing L=2 m

End-wall flashing L=2 m

Available pre-bent to the correct angle.

Eaves flashing L=2 m

Lower flashing L=2 m

Necessary at the eaves under the gable flashing – keeps the gable boards dry. Profile-specific.

Mitre plate, full width L=2 m

Roof hatch

Passage size 600 x 600 mm. Includes hinges and lock.

Base sheet for lead-through tubes L=1 m

For corrugated roofs. Used with insulated lead-through tubes.

Hip end piece

With shaped ridge capping.

Drain ventilation pipe

Insulated 110. Complete set, includes roof lead-through and for corrugated sheets also a base sheet (nr 10).

Ventilation outlet pipe

Insulated 125/160 mm. Complete set, includes roof lead-through and for corrugated sheets also a base sheet (nr 10).

Ventilation piece

For shaped and wide ridge cappings.

Y piece

With shaped ridge capping.

T piece

With shaped ridge capping.

Lead-through rubber

25–70 mm, 50–100 mm, 90–150 mm, 125–200 mm

End piece for shaped ridge capping

Seal

General seal for mitres, ridges and hips, suitable for all Weckman profiles (rm). Gasket tape 3 x 10 mm for side and extension overlaps 25 rm/roll. Ventilated sealing mat for ridge and hip, 5 rm/roll.

Roofing screw 4.8 x 28 mm

Roofing screws with seals are available as galvanised and in standard colours.

Guaranteed durability and safety

Finish your Weckman roof with an impressive and practical drainage system. Trough gutters and gutter pipes are manufactured of hot galvanised steel, which is Pural-coated on both sides. The benefits of the coating are excellent corrosion resistance, good cleanability and durable appearance. Standard colours: white, red, dark grey, dark brown and black .

DIMENSIONS

Down pipe

Down pipe set for 3.0-metre eaves, eaves-heights of over 3 metres with extension parts.

Trough gutter

Standard length

Standard length Standard length 3.0 m, 4.0 m or 5.0 m. Outer bracket and overlap piece as standard.

P13 Trough gutter

P13 End piece

P13 Gutter bracket, short

P13 Gutter bracket, long

P13 Gutter bracket, angled (1:3; 1:2,5; 1:1,15)

P13 Overlap piece

P13 Gutter discharge

P13 Inner corner

P13 Outer corner

P10 Upper bend

P10 Lower bend

P10 Discharge pipe

P10 Downspout fastener

P10 Diversion

P13 Downspout pipe 1.0 m and 2.3 m

Safe and durable Weckman roof safety accessories

Wall ladders guarantee safe entry onto the roof. A roof bridge ensures a safe passage on the roof in connection with, e.g., chimney sweeping, snow dropping, antenna installations and other tasks on the roof. Snow breakers are designed to prevent damage caused by snow dropping and to protect the roof coating. All roof safety accessories are reliable and high-quality Finnish products.

Ladders

Weckman ladders are made of hot galvanised oval tubes without weldings. The steps are round tubes. Wall ladders come in powder-coated or galvanised styles and roof ladders are only available powder-coated.Standard colours for roof and wall ladders: white, red, dark grey, dark brown and black.

ROOF LADDER

Standard lengths 1,2m, 2,7m, 3,3m, 4,2m, 4,5m, 5,4m, 6m, 6,6m, 7,5m, 8,4m. The ladder set includes the ladder frame and wall mounts.

WALL LADDER

Standard lengths 1,2m, 2,7m, 3,3m, 4,2m, 4,5m, 5,4m, 6m, 6,6m, 7,5m, 8,4m. The ladder set includes upper arcs for the ladder frame and wall mounts (for an eaves width of 85–100 cm).

SAFETY LADDER

1,2m, 2,7m, 3,3m, 4,2m, 4,5m, 5,4m, 6m, 6,6m, 7,5m, 8,4m. Includes the ladder frame and wall mounts.

Roof bridge

A roof bridge can also be used for the construction of work platforms and stairs on the roof. Weckman roof bridges are safe, have a snow permeation capacity of over 50% and are classified as class 2, allowing the fastening of safety ropes. The roof bridges are powder coated. Roof profile-specific roof mounts. Standard colours: dark grey, red, dark brown, black, tile red.

ROOF BRIDGE

Standard lengths 1.21 m (3 roof mounts), 2.47 m (3 roof mounts) and 2.97 m (4 roof mounts).

Snow breaker

In Finnish conditions, snow breakers are necessary where people pass by.Weckman tube snow breakers are made of hot galvanised steel.The snow breaker is delivered either galvanised or powder-coated.Two oval tubes, four roof mounts according to the roof sheet.Standard colours: dark grey, red, dark brown, black, tile red.

SNOW BREAKER

3000 mm

Weckman corrugated sheets, installation instructions (Pdf 1.64 MB)
Weckman drainage systems and roof safety accessories, installation instructions
Minimum roof inclinations
Weckman W20R-1100 sectional views (Pdf 31.22 KB)
Weckman corrugated sheets: W-20R/1100. W-20A/1100 and W20B-1100. DoP.506/13 (483.69 KB)
Instructions for roof maintenance (Pdf 664,30 kt)

Weckman quality is ensured by manufacture according to the ISO9001 quality system. Weckman quality can also be identified by the CE certification, as all of our steel products fulfil the requirements of standards SFS-EN 14783:2006andSFS-EN 1090-1:2009+A1:2011. Each of our employees has taken on our goal of keeping work high-quality and faultless.

Weckman Premium 50

Weckman Standard 40

Weckman Economy 30