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NSAI Agrément Certificate
Certificate type
PermaTEC Anti-Root Hot Melt Green Roof Waterproofing Systems incorporating an in-built root inhibitor for use as a waterproofing layer in green, biodiverse and blue flat and zero fall inverted roofs
PermaTEC Anti-Root Hot Melt Green Roof Waterproofing Systems incorporate PermaTEC Anti-Root and Permatec Ecowrap compounds, formulated from a combination of refined bitumen, synthetic rubbers and other additives. PermaTEC Anti-Root membrane also incorporates an in-built root inhibitor. The membrane is applied in two layers to provide a waterproofing layer with a nominal coating thickness of 6 mm.
The PermaTEC EcoWrap and PermaTEC Anti-Root waterproofing membrane compounds have a recycled content of 45% by mass of the total product.
The two main system build-ups used for green roof and roof garden applications are:
• PermaTEC EcoWrap membrane incorporating PermaFLASH-R reinforcement finished with a layer of IKO Roofgarden 4APP AD/F 7.5 m
• PermaTEC Anti-Root membrane incorporating PermaFLASH-R reinforcement finished with a layer of PermaGUARD F.
The membranes are used in conjunction with a range of reinforcement membranes, protection membranes and boards, including:
• PermaFLASH-R — a 55 g·m–2 polyester reinforcing scrim
• PermaFLASH-D150 — a 1.25 mm thick and 150 mm wide flexible detailing sheet, used as a reinforcement layer over cracks, construction joints and changes in materials, and where minor movement may occur
• PermaFLASH-D500 — a 1.25 mm thick and 500 mm wide flexible detailing sheet, used as a reinforcement at rainwater outlets
• PermaGUARD-F — a 180 g·m–2 sand-surfaced, polyester-based bitumen membrane protection layer
• PermaGUARD-M — a 180 g·m–2 slate-surfaced, high-performance torch-applied bitumen membrane protection layer for use on details which will not be covered by the surface finishes
• PermaGUARD-HDPB — a 3 mm thick high-density polymeric protection board
• PermaGUARD-PB — a 3.2 mm thick protection board fabricated with a bituminous core sandwiched between two layers of non-woven glassfibre reinforcement
• IKO Roofgarden 4APP AD/F 7.5 m — a slate-surfaced, polyester-based, APP modified bitumen containing a root inhibitor, installed as a protection layer in PermaTEC Ecowrap green roof specifications
• IKO PermaTEC High Penetration Primer — a brush- or roller-applied bituminous priming solution used in the preparation of cementitious surfaces prior to the application of the membrane
• IKO PermaTEC Polymer Primer — a brush- or roller-applied synthetic rubber-based priming solution used in the preparation of cementitious surfaces prior to the application of the membrane.
Other products used with the systems include:
• IKO Plasdrain — a range of drainage boards
• Inverted Roof Insulation Board — insulation used in inverted/protected roofs including intensive/extensive green roofs
• proprietary expansion joint systems
• IKOgreen Vegetation — for use in roof garden applications
• IKOgreen Growing Medium — for use in roof garden applications
• IKOgreen Plasfeed — a range of drainage/moisture retention layers for use in roof gardens applications
• Upstand Insulation Board — insulation with a weather-resistant facing board, used for upstand detailing
• PermaFLASH-UN — a 1.5 mm thick and 300 mm wide un-cured neoprene rubber reinforcement sheet used at construction joints and where minor structural movement is anticipated.
Color | Black |
Material | Bitumen Rubber Manufacturer guidanceA hot applied roofing waterproofing membrane system manufactured from a specially formulated combination of refined bitumen, synthetic rubbers, fillers, root inhibitor and other additives. |
Length | Bespoke |
Width | Bespoke |
Warranty description | 25 year Guidance for specification option: Up to 25 years. |
Uniclass | |
CAWS | J31/12 Inverted roof coating J31/130 Inverted roof coating |
Preparation | |
Horizontal work | IKO Permatec primer. |
Skirtings and vertical work | IKO Permatec primer. |
Liquid-applied waterproofing | |
Type | 2 no. coats of IKO Permatec Anti-Root hot melt. |
Reinforcement | IKO Permaflash-R reinforcement. |
Surface treatment | IKO Permaguard-F protection layer. |
Insulation | |
Type | Unilin XPS insulation board.Ravatherm XPS insulation board.Fibran XPS insulation board. |
Water control layer | IKO enertherm water control layer. |
Drainage layer | IKO Plasfeed 20. |
Flashings and detail work | Not required. IKO PermaFLASH-D150. Guidance for specification option: A nominal 1.25 mm thick flexible bitumen EPDM polymer detailing sheet. A reinforcement layer of PermaFLASH-D150 should be applied prior to applying the PermaTEC membrane at all non-monolithic changes in substrate materials, at structural/shrinkage cracks between 3 and 6 mm wide, at structural joints between 6 and 12 mm wide and where minor movement may occur. IKO PermaFLASH-D500. Guidance for specification option: A flexible bitumen EPDM polymer detailing sheet, installed as a reinforcement layer around rainwater outlets. IKO PermaFLASH-UN. Guidance for specification option: At structural movement joints up to 25 mm (maximum 50% total movement), PermaFLASH-UN reinforcement must be installed fully bonded in hot Permatec compound centrally over the movement joint. At structural movement joints between 12 and 50 mm (maximum 50% total movement), a proprietary joint system must be installed. Consult manufacturer for suitable products. |
Upstand | Exposed upstand details: IKO PermaGUARD-M Torch On (T-O) protection layer. Guidance for specification option: A protection layer to PermaTEC on exposed upstand details. |
Outlets | IKO Elite Extended Grate Outlets. |
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Material | Bitumen Rubber Manufacturer guidanceA hot applied roofing waterproofing membrane system manufactured from a specially formulated combination of refined bitumen, synthetic rubbers, fillers, root inhibitor and other additives. |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 45 % |