Glidevale Protect Zytec
Application

For use in warm and cold roof constructions. Can be used as a temporary roof covering during the period the roof covering is applied.

Description

Protect Zytec is a high performance type LR roof underlay for use in warm and cold roof constructions. Its low vapour resistance helps to avoid the risk of harmful condensation whilst at the same time remaining completely airtight. Protect Zytec is both CE marked and BM TRADA certified. Where the highest performance of Protect VP400 Plus LR is not required but a heavier underlay than Protect VP300 is needed, Protect Zytec meets the requirement.


Features and benefits:

  • Highly vapour permeable with a performance better than required in BS 5250.
  • Completely water and airtight with >2.0 mm water resistance.
  • UV and heat-resistant.
  • Does not generate nuisance noise under wind loading.
  • BMTRADA independently certified.
  • Helps to avoid condensation risk within the roofspace in accordance with BS 5250 and NHBC requirements.
  • Easy to cut and handle.
  • Can be used as a temporary roof covering.

General information

Finish

Embossed

Color

Grey

Embossed grey upper and grey/white lower surface. Printed with product branding for ease of identification.

Material

Polypropylene

Shape

Roll

-

Size

1.0 x 5.0 m

1.5 x 5.0 m

Uniclass 2015

Pr_25_57_10_94 Vapour permeable sheetsPrimary

CAWS

J42/110 Warm deck roof covering

J42/130 Cold deck roof covering

Specification data - Vapour permeable sheets Enhanced data

Standard

BS 5250, BS 5534, NHBC STANDARDS.

Performance characteristics

Water vapour resistance to BS EN ISO 12572; 0.15 MNs/g and 0.03 Sd.

Class (minimum)

W1.

>2.0 m hydrostatic head resistance.

Material

Polypropylene.

Form

Non-woven, spun bonded.

Third-party certification

BM TRADA.

Weight (minimum)

158 m/g².

Thickness (minimum)

0.72 mm.

Reflective face

None.

Execution

Installed below the primary roof covering onto rafters or sarking board, can also be used as a breather membrane on walls.

Product Reference

Zytec

Tear strength

270 N.

To EN 12310-1 with mods, along roll.

216 N.

To EN 12310-1 with mods, across roll.

TensileStrength

273 N/50 mm.

Unaged tensile strength to EN 12311 with mods, along roll.

230 N/50 mm.

Unaged tensile strength to EN 12311 with mods, across roll.

220 N/50 mm.

Aged tensile strength to EN 12311 with mods, along roll.

198 N/50 mm.

Aged tensile strength to EN 12311 with mods, across roll.

Wind resistance

Zones 1—4.

Wind uplift resistance, at 345mm batten gauge & 600mm rafter centres.

Flexibility at low temperature

-40°C.

Environmental information

Contains Red List materials

No

Country of product manufacture

United Kingdom

Recycled content

Recycled materials will vary.

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Third party certifications
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