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SELECTING AND SPECIFYING THE PRODUCT
1 Product Description and Suitable Applications
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SealPROOF membrane is a single part liquid rubber membrane designed for waterproofing areas that will be covered over with toppings and/or tile beds.
Common applications include:
- Wet areas
- Showers
- Laundries
- Terraces, balconies and decks
SealPROOF is suitable for application to concrete, fibre cement, wet area timber sheeting and external grade plywood surfaces –see Substrate Requirements and Compatibility for full details.
SealPROOF membrane complies with AS/NZS 4858:2004.
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Sealtec Waterproofing Systems are a complete membrane solution, supported by a range of specialty products to provide assurance and security against the penetration of water in any form.
Developed by advanced polymer technology SealPROOF membrane is flexible and elastomeric, displaying outstanding waterproofing features with low water vapour transmission properties and the ability to withstand permanently wet conditions without re-emulsification of the cured membrane.
Another key feature of the SealPROOF membrane when cured is the compatible bonding surface for a variety of toppings, renders, tiles and screeds to adhere without concerns of incompatibility or de-bonding
Sealtec specify all ancillary products to be used as part of the SealPROOF Liquid Membrane System for ease of design and application.
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External Weatherproofing use:
i.e. Podiums, Decks, Balconies |
| The system consists of a two coat liquid rubber membrane, applied directly to a primed, plywood or compressed sheet substrate. |
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This system creates a two coat membrane system totalling up to 2mm thick.
On completion this system must be covered with a suitable tile bed, finish topping or floating deck. |
2 Product List
The SealPROOF Liquid Membrane System includes these ancillary products:
| Membranes: |
Accessories |
- SealPROOF single component, advanced polymer membrane.
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- SealPRO Backing Rod polyethylene foam backing rod in various sizes ranging from 5mm – 50mm.
- SealFLOW polypropylene, aluminium or stainless steel droppers, sumps, scuppers and outlets.
- SealFLEX is a stretchy reinforcement tape composed of a layer of elastic butyl and non-woven polyester edge strips and backing.
- Metabronze clamp tight outlets and grates.
- Quickflash aluminium and Colorsteel® Maxx™ flashings.
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| Sealants: |
Primers: |
- SealPRO 151 single component, paintable non slump polyurethane sealant.
- Neutrasil high grade neutral cure silicone sealant.
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- SealPRIME is a multipurpose 2 in 1 primer and waterproof bonding agent, as a primer it enhances surface adhesion.
- SealBLOKA vapour block primer is a one part, solvent free polyurethane primer designed to prevent the rise of residual damp into floor coatings or sensitive timber finishers.
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3 Limitations
Limitations for this product are as listed below:
- Not to be used as a trafficable surface.
- Not to be applied over glass or glazed surfaces.
- Not designed as a sealant for expansion or control joints.
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- Not to be used in areas subject to negative hydrostatic pressure.
- Not to be used in areas where solvent or petroleum based products may be spilled.
- All finish coatings over SealPROOF membrane should be specifically designed for the purpose, and be solvent free.
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Following are weather limitations that will greatly affect the application of this product:
- Do not apply to areas when rain is imminent.
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- Do not apply when surface temperature is below 5 degrees Celsius or above 35 degrees Celsius.
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4 Substrate Requirements
Substrates suitable for application of the SealPROOF system are:
- Concrete, concrete block, render and masonry.
- Wet area timber sheeting.
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- Fibre cement sheeting, plasterboard and structural sheeting.
- AExternal grade plywood.
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SealPROOF membrane is generally suitable for use in conjunction with:
Please refer to priming details for each of the substrate types before proceeding.
For further information on suitable surfaces and substrates contact Sealtec on 0800 179 000 for correct advice on surface preparation and suitability.
5 Incompatibility with other Building Materials
- Not to be used in areas where solvent or petroleum based products may be spilled.
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- Not to be applied to glass, perspex, and plastic or glazed surfaces.
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Product Appraisal by BEAL
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The Bituplus product has received BEAL Appraisal Number M810
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Warranty
NZBC Compliance
Clause B2 - Durability
The SealPROOF Waterproof Membrane System, when installed according to the manufacturer’s instructions, will meet Performance B2.3.1(b) 15 years of the New Zealand Building Code.
Clause E2 - External Moisture
The SealPROOF Waterproof Membrane System complies with clause E2.3.2 of the Building Code, when installed in accordance to the manufacturer’s instructions.
E2 - External Moisture
The Sealtec SealPROOF Waterproof Membrane system was assessed for proper design and tested to verify compliance with Clause E2.
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Methods used for verifying compliance with the relevant performances of the New Zealand Building Code, include Testing and Assessment by a laboratory, Ease of Installation assessment, Assessment of data provided by the manufacturer, and the In-service history overseas and in New Zealand. Details are available from the distributor.
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