Corrapol-BT Corrugated Bitumen Sheet

£18.83 *

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  • CLE-2066-1002
  • AC110BR
  • Parcel XL
  • Hardware > Building Materials > Roofing > Roofing Shingles & Tiles
Corrapol-BT the Premium Corrugated Bitumen Roofing Sheet (Available in choice of colours)... more
Product information "Corrapol-BT Corrugated Bitumen Sheet"

Corrapol-BT the Premium Corrugated Bitumen Roofing Sheet

(Available in choice of colours)

Lightweight, Low Cost and Easy to Fit!

Bitumen impregnated Corrapol-BT corrugated roofing sheets. Lightweight, easy to cut and quick to install. The perfect choice for opaque waterproof roofing over sheds, log stores, garages and other outbuildings.

Corrapol-BT is manufactured from bitumen saturated organic fibres, which create an extremely strong, durable corrugated roof sheet that is waterproof, soundproof and a good insulator.

Features & Benefits

  • Durable material and design - strong corrugated profile
  • Bitumen impregnated - greatly improved weatherproofing
  • Fast to install - simply overlap sheets to cover roof
  • Easy to handle - strong and lightweight sheet size
  • Easy to cut - use lubricated handsaw or power saw
  • Part of complete system - trims and fixings available

Did you know? The Corrapol® range includes ancillary products, which can help to prevent ingress of rainwater, draughts and airborne debris such as leaves. Be sure to check out the Corrapol® Foam Eaves Filler, Wall Flashing, Side Flashing and Ridge.


The Corrapol-BT Bitumen Corrugated Sheet is one of four sheet types in Clear Amber’s versatile range of corrugated roofing sheets. The following table will provide a quick guide as to which product in the range is most suited to your application:

Corrapol Range Selector

Technical Information

Property Value
Material Bitumen saturated organic fibres
Pitch 5° to 90 °
Sheet Size (width x length) 930mm x 2000mm
Sheet Thickness 2mm
Sheet Weight 5.13 Kg
Wave Length 95mm
Wave Height 33.5mm
Coverage (width x length) 855mm x 1820mm for roof pitch >15°
855mm x 1780mm for roof pitch 10-15°
855mm x 1680mm for roof pitch <10°
Vertical Overlap Minimum 1 peak for roof pitch >= 10°, minimum 2 peaks for < 10°
Horizontal Overlap 180mm >15°
220mm for roof pitch 10-15°
320mm for roof pitch <10° Maximum
Minimum Fixings Needed 25 per sheet
Life Expectancy 15 Years

Fitting Corrapol-BT to an Apex Roof

We have all seen corrugated bitumen roofing sheets fitted to lean-to roofs, here is how you can use the same great product on an apex roof.

    1. Fit foam Eaves Fillers along horizontal purlins
    2. Cut and pre-drill Rock ‘n’ Lock Flashing, cut and fit first Corrapol Sheet into flashing and fix with supplied fixings
    3. Fit remaining Corrapol Sheets and secure with Screw Cap Fixings, or Plastic Headed Nails
    4. Attach the end sheets to Rock ‘n’ Lock Flashing and secure to end of roof
    5. Finally, fit the Aluminium Ridge Bar or Bitumen Ridge to secure the apex of the roof.

Fitting Corrapol-BT bitumen corrugated roof sheets to apex roof

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