Pitched Roofing Underlays

Guide to Icopal Pitched Roof Underlays & BS5534:2014

Non-Breather Membranes - Zonal classifications for pitched roof underlays for use on properties with in accordance with BS5534:2014

 

For – Standard Constructions Using A Well-Sealed Ceiling

 

Choose the appropriate zone for your project from the map and then click on the zone links below

Zone-1 Zone 1 (wind speeds <22 m/s) Zone-Map
Zone-2 Zone 2 (wind speeds 22 - 24 m/s)
Zone-3 Zone 3 (wind speeds 24 - 26 m/s)
Zone-4 Zone 4 (wind speeds 26 - 28 m/s)
Zone-5 Zone 5 (wind speeds >28 m/s)

 

 

 

 

 

 

 

 

Zone 1: Classifications For Pitched Roof Underlays For Use On Properties In Accordance With BS5534:2014

For – Standard Construction using a Well Sealed Ceiling

Product Reference Tables – HR (Non-Breather Type) Membranes

 

 

Zone 1
  Batten Gauge  Batten Gauge Batten Gauge
Product ≤100mm ≤250mm ≤345mm
Monartile Supa-R
Monartile Protect
Monartile 1F (Bitumen)
Icopal Jointing Tape 12 rolls per box (75mm x 25m long) 

Table Key

     " ■ " Indicates product complies without taped overlap.
     "Tape" Indicates product complies with a taped overlap using Icopal double sided lap jointing tape.

Important Notes:

  1. Zonal suitability assumes a well-sealed ceiling as detailed in BS9250.
  2. Ridge height is not greater than 15m.
  3. Roof Pitch is between 12.5 and 75 degrees
  4. Assumes no dominant openings in the sides or ends of the building.
  5. Site Altitude is not greater than 100m.

 

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Zone 2: Classifications For Pitched Roof Underlays For Use On Properties In Accordance With BS5534:2014

For – Standard Construction using a Well Sealed Ceiling

Product Reference Tables – HR (Non-Breather Type) Membranes

 

 

Zone 2
  Batten Gauge  Batten Gauge Batten Gauge
Product ≤100mm ≤250mm ≤345mm
Monartile Supa-R
Monartile Protect
Monartile 1F (Bitumen)
Icopal Jointing Tape 12 rolls per box (75mm x 25m long) 

Table Key

     " ■ " Indicates product complies without taped overlap.
     "Tape" Indicates product complies with a taped overlap using Icopal double sided lap jointing tape.

Important Notes:

  1. Zonal suitability assumes a well-sealed ceiling as detailed in BS9250.
  2. Ridge height is not greater than 15m.
  3. Roof Pitch is between 12.5 and 75 degrees.
  4. Assumes no dominant openings in the sides or ends of the building.
  5. Site Altitude is not greater than 100m.

 

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Zone 3: Classifications For Pitched Roof Underlays For Use On Properties In Accordance With BS5534:2014

For – Standard Construction using a Well Sealed Ceiling

Product Reference Tables – HR (Non-Breather Type) Membranes

 

 

Zone 3
  Batten Gauge  Batten Gauge Batten Gauge
Product ≤100mm ≤250mm ≤345mm
Monartile Supa-R
Monartile Protect
Monartile 1F (Bitumen)
Icopal Jointing Tape 12 rolls per box (75mm x 25m long) 

Table Key 

     " ■ " Indicates product complies without taped overlap.
     "Tape" Indicates product complies with a taped overlap using Icopal double sided lap jointing tape.

Important Notes:

  1. Zonal suitability assumes a well-sealed ceiling as detailed in BS9250.
  2. Ridge height is not greater than 15m.
  3. Roof Pitch is between 12.5 and 75 degrees.
  4. Assumes no dominant openings in the sides or ends of the building.
  5. Site Altitude is not greater than 100m.
  6. Zones 3 & 4 also apply to Northern Ireland 

 

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Zone 4: Classifications For Pitched Roof Underlays For Use On Properties In Accordance With BS5534:2014

For - Standard Construction using a Well Sealed Ceiling

Product Reference Tables – HR (Non-Breather Type) Membranes

 

 

Zone 4
  Batten Gauge  Batten Gauge Batten Gauge
Product ≤100mm ≤250mm ≤345mm
Monartile Supa-R Tape
Monartile Protect Tape
Monartile 1F (Bitumen)
Icopal Jointing Tape 12 rolls per box (75mm x 25m long) 

Table Key

    " ■ " Indicates product complies without taped overlap.
    "Tape" Indicates product complies with a taped overlap using Icopal double sided lap jointing tape.

Important Notes:

  1. Zonal suitability assumes a well-sealed ceiling as detailed in BS9250.
  2. Ridge height is not greater than 15m.
  3. Roof Pitch is between 12.5 and 75 degrees.
  4. Assumes no dominant openings in the sides or ends of the building.
  5. Site Altitude is not greater than 100m.
  6. Zones 3 & 4 also apply to Northern Ireland 

 

Back to top

line

 

Zone 5: Classifications For Pitched Roof Underlays For Use On Properties In Accordance With BS5534:2014

For – Standard Construction using a Well Sealed Ceiling

Product Reference Tables – HR (Breather Type) Membranes

 

 

Zone 5
  Batten Gauge  Batten Gauge Batten Gauge
Product ≤100mm ≤250mm ≤345mm
Monartile Supa-R Tape
Monartile Protect Tape
Monartile 1F (Bitumen)
Icopal Jointing Tape 12 rolls per box (75mm x 25m long) 

Table Key

     " ■ " Indicates product complies without taped overlap.
     "Tape" Indicates product complies with a taped overlap using Icopal double sided lap jointing tape.

Important Notes:

  1. Zonal suitability assumes a well-sealed ceiling as detailed in BS9250.
  2. Ridge height is not greater than 15m.
  3. Roof Pitch is between 12.5 and 75 degrees.
  4. Assumes no dominant openings in the sides or ends of the building.
  5. Site Altitude is not greater than 100m.
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