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NBS Source

Application

For use directly beneath rigid sheet standing-seam metal roof

systems. Suitable for zinc, copper, stainless steel and aluminium standing seam metal roofs.

Description

Vapour permeable drainage membrane based on Tyvek Supro,

that allows condensation which forms beneath roofs to drain away. The membrane has integral lap tape and must be installed over supporting boarding.


Features and benefits:

  • Excellent water resistance.
  • Vapour-permeable, airtight and wind-tight.
  • Allows condensation beneath stainless steel, aluminium, copper and zinc roofs to drain away.
  • Should be installed over 150 mm wide timber boarding with 2 mm gaps between each.
  • For use as drainage membrane beneath standing seam metal sheets roofs over timber boarding or SiPs.
  • Long term performance.

General information

Shape

Roll

Color

Black

Material

Composite of High Density Polyethylene, polypropylene non-woven

and open mesh spacer.

High Density Poly Ethylene (HDPE)

Polypropylene

WarrantyDescription

Ten years

Size

1.5 x 25 m

Uniclass

Pr_25_57_10_94 Vapour-permeable sheetsPrimary

CAWS

H72/10 Valley gutter lining to slate/ tile roofs

H72/110 Aluminium sheet fully supported roof covering

H72/130 Aluminium sheet fully supported wall covering

H72/150 Aluminium sheet fully supported covering to dormers

H72/210 Gutter lining with proprietary expansion joints

H72/230 Valley gutter lining to slate/ tile roofs

H72/240 Recessed valley gutter lining

H72/245 Valley gutter lining

H72/250 Weathering to

H72/5 Aluminium sheet fully supported covering to dormers

H72/7 Gutter lining with proprietary expansion joints

H73/10 Gutter lining with drips

H73/110 Copper sheet fully supported roof covering

H73/12 Valley gutter lining to slate/ Tile roofs

H73/130 Copper sheet fully supported wall covering

H73/15 Weathering to

H73/150 Copper sheet fully supported covering to dormers

H73/210 Gutter lining with proprietary expansion joints

H73/220 Gutter lining with drips

H73/230 Valley gutter lining to slate/ tile roofs

H73/240 Recessed valley gutter lining

H73/245 Valley gutter lining

H73/250 Weathering to

H73/5 Copper sheet fully supported covering to dormers

H73/61 Sheet underlay

H73/645 Sheet underlay

H73/7 Gutter lining with proprietary expansion joints

H74/10 Valley gutter lining to slate/ tile roofs

H74/110 Zinc sheet fully supported roof covering

H74/12 Weathering to

H74/130 Zinc sheet fully supported wall covering

H74/150 Zinc sheet fully supported covering to dormers

H74/210 Gutter lining with proprietary expansion joints

H74/220 Gutter lining with saddle expansion joints

H74/230 Valley gutter lining to slate/ tile roofs

H74/240 Recessed valley gutter lining

H74/245 Valley gutter lining

H74/250 Weathering to

H74/5 Zinc sheet fully supported covering to dormers

H74/7 Gutter lining with proprietary expansion joints

H75/10 Valley gutter lining to slate/ Tile roofs

H75/110 Stainless steel sheet fully supported roof covering

H75/12 Weathering to

H75/130 Stainless steel fully supported wall covering

H75/150 Stainless steel fully supported covering to dormers

H75/210 Gutter lining with proprietary expansion joints

H75/220 Gutter lining with saddle expansion joints

H75/230 Valley gutter lining to slate/ tile roofs

H75/245 Valley gutter lining

H75/250 Weathering to

H75/5 Stainless steel sheet fully supported covering to dormers

H75/51 Sheet underlay

H75/645 Sheet underlay

H75/7 Gutter lining with proprietary expansion joints

Specification data - Vapour-permeable sheets

Standard

To BS EN 13859-2.

Performance characteristics

Vapour permeable.

Class (minimum)

W1.

Material

High Density Polyethylene (HDPE).

Polypropylene non-woven.

Open mesh spacer.

Form

Non-woven.

Third-party certification

British Board of Agrément (BBA) Certificate.

Weight (minimum)

407 g/m².

Thickness (minimum)

7.4 mm.

Product Reference

Tyvek® Metal

Accessories

Tyvek 2060B Tape.

Single sided tape for sealing overlaps in Tyvek® membranes and making good around penetrations, pipework, windows and door openings. Very durable ensuring long term performance. Roll size: 75mm x 25m.

Double sided. For sealing to masonry, metal, plastics or wood, at laps or perimeters.

Tyvek® Double Sided Acrylic Tape.

Double sided acrylic tape for sealing laps in Tyvek® membrane and bonding to smooth surfaces. Excellent adhesion properties under extreme conditions. Strong initial tack. Roll size: 50mm x 25m.

Tyvek® Butyl Tape.

Double sided butyl based sealant, used to seal fixing penetrations in a Tyvek® membrane and form a moisture and airtight seal between a Tyvek® membrane and most commonly used building materials. Tape is compatible with brickwork, blockwork, masonry, timber, metalwork and most plastic products. Roll sizes: 20mm x 30m, 50mm x 30m.

Digital objects

Platform Compatible Version Certified to
IFC

IFC2X3

5

1.3
Revit

Revit 2016

6

2.0
Download now from NBS National BIM Library

Literature

Tyvek Technical Wall Manual 2022

Tyvek Technical Wall Manual 2022

Third party certifications

  • CE Marking: CPD 89/106

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