Name: Wilotekt-Plus Inverted Roof System - Concrete Slab (in-situ/Precast) / Timber Roof Deck
Brand: Axter Ltd
SKU: sgYAwg8wDVqveWMnqgquvk

Liquid-applied waterproofing	-
Reinforcement	Wilotekt reinforcement mesh. Guidance for specification option: WILOTEKT reinforcement mesh is used as the first layer to form the reinforcement of the system and to control the flow of the hot-applied WILOTEKT compound. 100 x 1 m rolls. Colour: purple. Roll weight: 15 kg. European Technical Assessment ETA 03/0049.
Insulation	-
Type	Hytherm ECO XPS and water flow reducing layer. Guidance for specification option: Axter grey Hytherm ECO XPS is a lightweight, durable, rigid extruded polystyrene XPS insulation board, designed specifically for inverted roofing applications in conjunction with the Axter water flow reducing layer. With excellent lambda insulation performance, a GWP <5, and a BREEAM Green Guide Rating A+ it enables the construction of energy efficient buildings. Achieves CE marking, and satisfies the relevant requirements set out in the NHBC Standards 2021, Chapter 7.1 Standard board sizes:1250 x 600 mm. Standard board thickness: 50, 80, 100 ,120, 130, 140, 160, 180 and 200 mm. Thermal resistance: - 1.65–5.80 m²K/W (thickness dependent). Compressive strength: 300 kPa at 10% compression. Reaction to fire BS EN 13501-1: Class E. Hytherm ULTRA XPS and water flow reducing layer. Hytherm XPS and water flow reducing layer. Hytherm EPS and water flow reducing layer. Hytherm HP EPS and water flow reducing layer. Manufacturer guidance Water flow reducing layer (WFRL): High-performance spun bonded polyethylene geotextile designed to improve thermal performance and to help minimize: Water flow below the insulation; Heat loss caused by rainwater cooling; Thickness of insulation required; Flotation effect; Weight of ballast required. The layer also allows water vapour from below to permeate and reduces the risk of condensation being trapped within the construction. Water vapour resistance: 0.17 MN·s/g. Roll size: 100 x 3 m or 50 x 1.5 m. Overlaps: 300 mm sealed with Hytherm tape (sealing of the laps is optional).
System accessories	Lightning conductor clips. Guidance for specification option: Axter lightning conductor clips provide resilience and repellent characteristics, keeping them from fading and going brittle in sunlight. Simple to install and are supplied as a one-piece unit. Colour is dark grey. Rooflights/ access hatches. Guidance for specification option: Consult manufacturer for details. Solar PV Flex. Guidance for specification option: Flexible thin-film photovoltaic system combining CIGS (Copper Indium Gallium Selenide) panels bonded to Axter waterproofing membrane Axter SOLAR PVFLEX flexible. Thin-film photovoltaic system is a lightweight integrated solution, where the solar PV module and the waterproofing are combined, and the PV module is secured to the roof system without the need for mechanical restraint and penetration of the waterproofing layer. TPE corners.
System completion	Interim and final roof inspections by AXTER Quality Assurance (QA) personnel. Final roof inspections by AXTER Quality Assurance (QA) personnel are mandatory for guarantee application.

Certification	BBA approved, accepted by all third party building warranty providers such as LABC and NHBC. Fully compliant with The Building Regulations and all relevant British and harmonized European standards.
Primer	Wilotekt surface primer.
Underlayer	Wilotekt compound. Guidance for specification option: Wilotekt Compound is a hot applied elastomeric modified bitumen based mastic. Used as the waterproofing compound in the Wilotekt®-Plus structural waterproofing system as well as for filling of joints, cracks and pitch pockets around stanchions, pipework etc.
Top layer/ Capsheet	Wilotekt protection membrane. Guidance for specification option: Wilotekt protection membrane is a stabilized polyester reinforced SBS elastomeric modified bitumen waterproofing membrane. The membrane is finished on both surfaces with sand. Top layer in the application of Wilotekt-Plus® composite structural waterproofing. Width: 1 m. Length: 10 m. Weight: 48.8 kg/m².
Finish layer	20-40 mm washed riverstone /ballast. Guidance for specification option: Natural and aesthetic Provides borders and fire breaks on living roofs Can be used as habitat creation areas Form areas of free drainage Depth: 85 mm (typical ballast margin) Colour: Grey/brown mixed Shape: Rounded. Washed Riverstone is also used to create perimeter sterile borders to all Axter living and biodiverse roof installations, acting as an effective barrier and restricting the spread of invasive plant species into gutter and drainage outlets. Adjustable circular base paving slab supports. Guidance for specification option: Non-combustible, 100% full metal pedestal. Suitable for roof decks, terraces, podiums, balconies. Adjustable height range between 25 mm to 300 mm. Supports all types of calibrated paving, including natural stone, concrete and porcelain. 150 mm diameter circular baseplate giving greater lateral stability. Weight tolerance of over 1 tonne each. Smooth underside and edges prevent digging into substrate. Bespoke headpieces for paving and decking. Height can be adjusted when slabs/decking are in position (consult literature for height range). Adjustable square base paving slab supports. Guidance for specification option: Non-combustible, 100% full metal pedestal. Ideal for roof decks, terraces, podiums, balconies . Adjustable height range between 25 mm to 300 mm. Supports all types of calibrated paving, including natural stone, concrete and porcelain. 150 mm diameter circular baseplate giving greater lateral stability. Weight tolerance of over 1 tonne each. Smooth underside and edges prevent digging into substrate. Bespoke headpieces for paving and decking. Height can be adjusted when slabs/decking are in position (consult literature for height range). Copolymer propylene adjustable paving supports. Guidance for specification option: Easy to transport, store, handle and install. Corrosion and maintenance-free. Available in five adjustable versions (height range 8 to 590 mm). Consult literature for details. High resistance to deformation. Supplied in reinforced, humidity-resistant, re-usable bags. Timber decking support adapter. Guidance for specification option: This Timber Decking Support Adapter enables easy installation of flat decking over a laid to falls flat roof. The joists are held clear of the roof itself, increasing their life and allowing free passage of water to outlets. Easily fitted to Axter fixed and adjustable polypropylene paving slab supports. Perforations in the head prevent water stagnation and prolong life of timber decking. High resistance to deformation. Corrosion- and maintenance-free. Easy transport, storage and installation. Diameter: 120 mm. Overall height: 60 mm. Base height: 25 mm. Manufacturer guidance Note: If the podium is to have any soft landscaping such as planted areas, then a detail membrane with anti-root protection must be used.
Ancillary items	Axtrim. Guidance for specification option: Manufactured from extruded aluminium alloy to BS 1474, Quality 6065/T6 (AIMgSi 0.5 F22), this high quality, cost-effective roof edge trim brings a neat finish to flat roof waterproofing. Axtrim aluminium termination bars. Guidance for specification option: Axtrim aluminium termination bars are manufactured from extruded aluminium alloy to BS 1474, Quality 6065/T6 (AIMgSi 0.5 F22). Aluminium termination bars will not rust and are not affected by atmospheric pollution. They are colourfast and maintenance free, once installed. Axtrim GRP termination bars. Guidance for specification option: Axtrim GRP termination bars are manufactured from pultruded GRP (glass reinforced polyester). It is UV protected and has low coefficient of thermal expansion. GRP termination bars will not rust and are not affected by atmospheric pollution. They are colourfast and maintenance free, once installed. Rainwater outlets. Guidance for specification option: Axter rainwater outlets are manufactured from 0.7mm stainless steel in a choice of diameters, with a factory bonded flange if required to provide an excellent bonding area with the relevant Axter waterproofing system. SBS bitumen membrane flange 500mm square suitable for use with the full range of Axter reinforced bitumen membrane (RBM) and hot melt structural waterproofing systems. On our Dual Outlet a bitumen flange is fitted at AVCL level. Axter parapet outlets are manufactured from 0.7mm stainless steel in a choice of diameters, with a factory bonded flange if required to provide an excellent bonding area with the relevant Axter waterproofing system. SBS bitumen membrane flange 500mm square suitable for use with the full range of Axter reinforced bitumen membrane (RBM) and hot melt structural waterproofing systems. On our Dual Outlet a bitumen flange is fitted at AVCL level. PVC membrane flange 350mm square suitable for use with Axter Ecoflex/Ecoline PVC single ply waterproofing systems. Sump outlet. Guidance for specification option: Specifically designed for through walls applications or parapets where a high flow rate is required and are supplied with our Hyflow leaf guard as standard. AXTER sump outlet has an outstanding flow rate of 6.1 L/s. As recommended by UK design standard BS EN 12056:3-2000 with a water depth of 35 mm. Wide parapet outlet. Guidance for specification option: Used where an increased flow rate (2.02 L/s) is required. A 90° pipe angle and extra-large leaf guards are also available to be used with this unit. Universal leaf guard. Guidance for specification option: The stainless steel universal leaf guard is a solid and effective leaf guard which securely clamps to the inside of the outlet stem. Suits all sizes of rainwater outlets. Parapet leaf guard. Guidance for specification option: The parapet leaf guard is a solid and effective leaf guard which is securely attached to the inside of the outlet and is fully adjustable to fit all three parapet outlet sizes. Hyflow leaf guard. Guidance for specification option: The 1.4301 (304) grade stainless steel Hyflow leaf guard is a high performance leaf guard designed to be used with Axter rainwater outlets. Its use increases flow rate by over 50% compared to standard leaf guards. Show more
Detail	Force 4000 Trafic. Guidance for specification option: Standard. Hyranger TS CPV. Guidance for specification option: For details greater than 500 mm in height. Force 4000 Flame Free. Guidance for specification option: Capsheet for combustible details. Requires Vernis SA Primer and Stickflex as underlayer.

Uniclass	Ss_30_40_30_42 Liquid-applied inverted roof covering systemsPrimary
CAWS	J31/130 Inverted roof coating J31/5 Cold deck roof coating

Contains Red List materials	No
Country of product manufacture	France
Material	Bitumen

Platform	Compatible	Version
Revit	-	1
IFC	-	1

Color	Black
Material	Bitumen
Length	Bespoke
Width	Bespoke
Height	Bespoke
Warranty description	25 year Manufacturer guidance Wilotekt-Plus achieves a mininum 25 year guarantee up to a ground breaking 35 year insured system guarantee covering materials, design, workmanship and insolvency. The system is designed to last the lifetime of the building.

Wilotekt-Plus Inverted Roof System - Concrete Slab (in-situ/Precast) / Timber Roof Deck

Application

Description

General information

Color

Material

Length

Width

Height

Warranty description

Manufacturer guidance

Uniclass

CAWS

Product range

Specification data - Liquid-applied inverted roof covering systems

Liquid-applied waterproofing

Reinforcement

Wilotekt reinforcement mesh.

Insulation

Type

Hytherm ECO XPS and water flow reducing layer.

Hytherm ULTRA XPS and water flow reducing layer.

Hytherm XPS and water flow reducing layer.

Hytherm EPS and water flow reducing layer.

Hytherm HP EPS and water flow reducing layer.

Manufacturer guidance

System accessories

Lightning conductor clips.

Rooflights/ access hatches.

Solar PV Flex.

TPE corners.

System completion

Interim and final roof inspections by AXTER Quality Assurance (QA) personnel. Final roof inspections by AXTER Quality Assurance (QA) personnel are mandatory for guarantee application.

Certification

Primer

Underlayer

Top layer/ Capsheet

Finish layer

Manufacturer guidance

Ancillary items

Detail

Sustainability data

Contains Red List materials

Country of product manufacture

Material

BIM objects

Third party certifications

Literature

Case studies