Gutta Bitumen Ridge

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  • GUT-2160-1003
  • 1366012
  • Parcel M
  • Hardware > Building Materials > Roofing > Roofing Shingles & Tiles
Corrugated Bitumen Ridge by Gutta (466mm x 850mm, in choice of colour) Ridge and hips... more
Product information "Gutta Bitumen Ridge"

Corrugated Bitumen Ridge by Gutta

(466mm x 850mm, in choice of colour)

Ridge and hips coverage in one product!

Bitumen capping for waterproofing ridge apex and hips over corrugated roofing sheets. Flexible enough to accommodate any pitch from 7°, and durable enough to fit and forget.

Part of the popular Gutta corrugated roof system, which provides excellent thermal and acoustic comfort, whilst guaranteeing watertightness of renovation and new build projects.

Features & Benefits

  • Durable and flexible ridge - any pitch from 7° upwards
  • Easy to cut - cuts with standard lubricated handsaw
  • Extremely robust - resistant to extreme weather conditions
  • Fast and easy installation - just overlap then nail
  • Environmentally friendly - asbestos-free recycled material
  • Noise reducing material - noticeably quieter during rain
  • Non-hazardous substances - safe during and after installation
  • Guaranteed water permeability - 15 year manufacturer warranty

High performance, maintenance-free roofing for smaller coverings, such as garden sheds, canopies and pergolas, plus larger ones, like garages, stables, cabins and summerhouses.

Profile of the Gutta Corrugated Bitumen Ridge Size

Technical Information

Product Specification

Ridge Width 450mm
Ridge Length 850mm
Ridge Height 40mm (central dome)
Ridge Thickness 2.3mm
Ridge End Overlap 100mm
Ridge Sheet Overlap 100mm

Gutta Corrugated System

Material Multi-layer bitumen corrugated roof sheets with colour impregnation for final covering
No. of Layers 16-22
Profile Corrugated with 10 waves
Acoustic Insulation 20 dB (ISO 140)
Sheet Size (width x length) 950mm x 2000mm
Sheet Thickness 2.3mm
Wave Length 95mm
Wave Height 31mm
Gross Coverage 1.9 m2
Average Weight 2.73 kg/m2 ± 5%
Tolerances ± 7%
Pitch 7° to 90°
Fixings Gutta countersunk head galvanised nails with PE round headed washer
Standards EN 534:2006 + A1:2010
Fire Resistance Class B2 (according to DIN 4102)
Guarantee 15 Years water permeability*

*when fitted to manufacturer guidelines

Overlap and Coverage

MeasurementStandardLow Pitch or High Load
Min. Side Overlap One wave Two waves
Min. End Overlap 150mm 200mm
Gap at Ridge Apex 855mm 760mm
Net Coverage 1.58 m2 1.37 m2
Effective Width Coverage 855mm 760mm
Effective Length Coverage 850mm 800mm

Lath and Sheet Fitting

Counter Laths Size (Horizontal) 45mm x 45mm
Support Laths Size (Slope) 60mm x 60mm
Counter Lath Spacing Load Spacing
90Kg/m2 62cm
200Kg/m2 46cm
350Kg/m2 31cm
Max. Overhang at Eaves 50mm
Min. Ridge/Gable Angle Overlap 50mm
Min. Fixings 20 per sheet

Fitting & Usage

The flexible bitumen ridge sections are suitable for any pitch from 7°, and must overlap each other, and the roof sheets, by a minimum of 100mm. Ridge sections should be nailed along each side, on each crest. Ensure that sheets end at least 5mm before the ridge crown.

Please refer to the sheet listing for general system fitting details.

Note that the Gutta product warranty requires that the products have been fitted to specification, please do follow the manufacturers recommendations.

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