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COREFLEX XP - Thermoplastic Waterproofing Membrane

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CETCO

A thermoplastic waterproofing membrane with XP technology core.

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Application

Suitable applications include:

  • Plaza decks.
  • Split-slab deck construction.
  • Foundation walls.
  • Earth-covered structures.
  • Property line construction.
  • Under slab.
  • Tunnels.
  • Greenroofs.

Description

A 1.5 mm nominal thermoplastic membrane reinforced with a 90 g/m² polyester reinforcing scrim, integrally bonded to an XP Technology Core. Polymer technology provides performance in a wide range of ground contaminates, including high-salinity conditions.

The barrier performance starts with a thermoplastic membrane with welded seams, providing a monolithic watertight barrier layer. The thermoplastic membrane is reinforced with a polyester reinforcing scrim and is produced with DuPont’s Elvaloy-KEE® (Keytone Ethylene Ester), a solid phase high molecular weight ethylene interpolymer.


Features and benefits:

  • Does not experience phase separation and migrate out; thus the membrane properties are maintained for long term performance.
  • Provides chemical resistance properties.
  • The XP Technology Core layer is integrally bonded to the Elvaloy-KEE® thermoplastic membrane.
  • The XP layer is designed to activate with water to swell and form a positive seal. Thereby, at any unforeseen puncture or installation defect, the XP layer reacts at the breach, self-sealing to stop the water ingress.
  • Welded thermoplastic membrane composite with reactive, self-sealing XP technology feature.
  • The membrane can be continued under the floor slab and up onto a horizontal deck to provide a continuous, uniform waterproofing system.
  • Can be used to waterproof structures under continuous or intermittent hydrostatic pressure.

General information

Color

Yellow

Material

Polymer

Plastic

Polyester

Manufacturer guidance

1.5 mm nominal thermoplastic membrane reinforced with a 90 g/m² polyester reinforcing scrim integrally bonded to an XP Technology Core.

Shape

Rectangle

Length

12900 mm

Width

1700 mm

Uniclass

Pr_25_57_65_60 Plastics sheetsPrimary

CAWS

J42/10 Warm deck roof covering

J42/12 Inverted roof covering

J42/380 Protection layer

J42/383 Separating layer

J42/385 Filter layer

Q37/130 Extensive green roof

Q37/110 Intensive green roof

Q37/120 Simple intensive green roof

Specification data - Plastics sheets

Material

-

Manufacturer guidance

1.5 mm nominal thermoplastic membrane reinforced with a 90 g/m² polyester reinforcing scrim integrally bonded to an XP Technology Core.

Purpose

Damp-proof membrane.

Standard

Guidance for specification option:

Consult manufacturer for further information.

Performance characteristics

-

Tensile strength (minimum)

≥1000 N/50 mm to EN 12344-2.

Tear resistance

≥200 N to EN 12310-2.

Elongation to break

≥26% to EN 12311-2.

Resistant to underground gases

Radon, Methane, Carbon dioxide.

Water vapour resistance (minimum)

≥18.000 μ (+30%) to EN 1931.

Fire performance

Broof (T1) to EN 13501-5.

UV stabilization

Resistant to EN 1297, 1000 hours.

Antistatic properties

≥20 kg to EN 12730.

Form

Reinforced.

Root inhibitor

Resistant to root penetration to EN 13948.

Physical properties

-

Colour

Guidance for specification option:

Consult manufacturer for further information.

Dimensions

-

Thickness (minimum)

Guidance for specification option:

Consult manufacturer for further information.

Width (minimum)

1.7 m (1.55 m wide thermoplastic membrane).

Guidance for specification option:

With XP Technology Core offset by 150 mm along the long roll edge; consult manufacturer for further information.

Roll length (minimum)

12.9 m.

Guidance for specification option:

Consult manufacturer for further information.

Accessories

Not required.

Adhesive SB-100.

Guidance for specification option:

Adhesive for securing COREFLASH membranes to various substrates, including cured concrete, wood, metal and cementitious boards.

Akwaswell.

Guidance for specification option:

Hydrophilic polyurethane caulk used for detail work including pipe penetrations.

Cetseal.

Guidance for specification option:

A multipurpose UV stable single component polyether moisture cure sealant/ adhesive. Primary applications are ground termination sealant, membrane lap sealant and water-stop adhesive.

Corecap Tie-Back Covers.

Guidance for specification option:

Preformed non-reinforced thermoplastic flashings, designed to provide a welded thermoplastic cover over tie-back heads on property line shoring walls; three preformed sizes available. CORECAP(s) used in conjunction with same size rigid TB-Boot.

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Watertightness

Waterproof to EN 1928.

Reaction to fire classification

Class E to EN 13501-1.

Peel resistance of joints (to BS EN 12316-1)

≥300 N/50 mm.

Joint strength

≥900 N/50 mm to EN 12317-2.

Impact resistance

≥1000 mm to EN 12691.

Dimensional stability

≤1% to EN 1107-2.

Foldability at low temperature (to EN 1107-2)

≤–50°C to EN 495-5.

Chemical resistance

Resistant to effects of liquid chemicals including water to EN 1847 (28 days/ 23°C).

Radon transmission rate 0.47 x 10-9m/s SP. Radon gas permeability

5.3 x 10^-12 m²·s^-1 to K124/02-95.

Methane transmission rate

18 mL/m²·day·atm to ISO 15105-1.

Carbon dioxide transmission rate

14 mL/m²·day·atm to ISO 15105-1.

Weather resistance

Hail resistance: ≥17 m/s to EN 13583.

Roll size

1.55 m wide thermoplastic membrane with XP Technology Core offset by 150 mm along the long roll edge.

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