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Seal joints, corners, and cracks:  



Leak-Seal Tape is unique reinforcing fabric combined with a special 1mm (approx.) self adhesive waterproofing compound.  


Used in conjunction with waterproofing membranes, it provides the ultimate method in waterproofing and sealing joints, corners and cracks.  


Leak-Seal Tape is simple to apply, is quick, saves time, money and importantly provides the ultimate in waterproofing technique, and long term reliability and protection  




Waterproofs and seals corners, joints, cracks and gaps.  


Leak-Seal Tape should be used in conjunction with waterproofing membranes for ultimate waterproofing protection  


Suitable Surfaces  

Leak-Seal Tape is suitable for clean, primed, even and relatively smooth building surfaces including concrete, render, block work, brick, plaster board, fibre board, CFC sheeting, metal, timber and fibre-glass surfaces  




The information contained in this product data sheet is typical but does constitute a full specification as conditions and specific requirements may vary from project to project. The instructions should be considered as a minimum requirement but the applicator or contractor must use their skill, knowledge and experience to carry out additional works as may be necessary to meet the requirements of the project. Specification for specific projects should be sought from the Company in writing.  




Surfaces must be even and smooth to allow a good bond. Leak-Seal Tape is not recommended for surfaces that are rough, pebbled, textured, spiky or similar.  

Benefits and Advantages  

Leak-Seal Tape is a waterproof applicator's best friend. It provides the best solution to long-term waterproofing of joints, cracks and corners, saves time, effort and money. The membrane can be applied directly to Leak-Seal Tape.  


Leak-Seal Tape:  


Peel and stick.  

Has a tough, flexible and technically advanced waterproof backing.  


Quick, easy.  

Saves time.  

Gives greater protection that conventional methods of waterproofing.  

Long term protection.  


Precautions in Use  


Leak-Seal Tape is considered safe to use if used as intended.  

Priming and Preparation  

Good preparation is essential. Surfaces must be sound, stable, dry, clean and free of dust, loose, flaking, friable material and substances that may diminish adhesion.  


Surfaces must be sound, dry and free of contaminants, dust, dirt, oil, grease, waxes and any adhesion detracting substances and smooth and even enough to allow good adhesion to the surface.  


Prime surfaces with Primeseal MC

To corners and joints apply a flexible polyurethane joint sealant in the usual manner. The Leak-Seal Tape can be applied directly and immediately over the sealant provided that the bead of sealant is no more than 10mm wide.  




Peel and stick the Leak-Seal Tape , centred over the joint, crack or corner. Overlaps should be at least 100mm.  


It is important that pressure be applied uniformly to the tape by a block, roller or broad-knife to ensure a good bond.  


Leak-Seal Tape can be applied over the wet polyurethane sealant provided that the bead of sealant is no more than 10mm wide.  


As soon as the tape is installed the membranes can be applied over it.  


Coat over the Leak-Seal Tape with a suitable Wrimco waterproofing membrane extending to the substrate as would usually be done or required for that product. Refer to the relevant product data sheet.  



The stated average coverage rate may vary depending upon type, condition, porosity, texture of the surface and application technique.    


Not applicable.  



White matting with a grey waterproof backing.  


Drying and Curing  

Drying and curing of the product is affected by type, dryness and porosity of the surface, temperature, humidity, ventilation, climate conditions and application technique and therefore drying and curing can only be given as a guide.  


Not applicable.  



Store in cool, dry and protected area.  


Clean Up  

Not applicable.  


Tiling, Topping or Top Coating  

After installation and application of the waterproofing membrane the area can be tiled, topped and coated. Refer to the data sheet of the relevent waterproofing membrane.  


Safety & Precautions  

Considered safe if used as intended.  


For full safety data refer to the products Material Safety Data Sheet. Observe precautions as per label. 

Leak Seal Tape MSDS:  

Product Name: Leak-Seal Tape  
U.N. Number: N/A  
Class: N/A  
Hazchem Code: N/A  
Poison Schedule: N/A  
Pack Sizes: 80mmx 15m roll; 150mm x 15m roll and 80mm x 1m x 4 strips  
Physical Description  
Appearance: Self stick, grey waterproofing tape.  
Boiling Point: Not known.  
Vapour Pressure: N/A  
Percent Volatiles: N/A - Product is pre-cured.  
Specific Gravity: N/A but approx 1.5 -1.7  
Flash Point: Not Flammable.  
Flammability: N/A  
Water Solubility: N/A  

CAS No.  
Combined Butyl  
Reinforcing fabric  

Waterrpoofing sealing joins, cracks and gaps.  
Health Warning Information  
Health Effects  
Swallowed: Single oral dose adverse effects not expected. May cause nausea and vomiting. Nature of product makes ingestion very unlikely as chewing would be required.  
Eyes: Avoid eye contact. Mild to moderate irritation.  
Skin: Mildly irritating given nature of product.  
Inhalation: Over exposure not anticipated as product is a tacky solid.  
First Aid  
Swallowed: Do not induce vomiting. Give plenty of water to drink and seek immediate medical attention.  
Eyes: Immediately flush eye with clean water holding lid open to ensure any trapped material can be flushed and seek medical attention.  
Skin: Remove contaminated clothing, wash with soap and water. Do not use solvents to remove material.  
Inhaled: Remove person to fresh air. Seek immediate medical attention.  
Advice to Doctor  
Treat Symptomatically.  
Precautions in Use  
Toxicity data is unknown but product is not considered harmful to health provided the product is used correctly.  
Toxilogocal Information: No known side effects.  
Wash hands after use.  
Exposure Limits  
Exposure limits are not established.  
No specific requirements.  
Personal Protection  
The use of rubber gloves, safety boots and goggles is recommended.  
Safe Handling Information  
Storage and Transport  
Store in a cool dry area. Not classified as dangerous goods.  
Temperature of decomposition: >25oC.  
Transport: No restriction.  
Spills and Disposal  
Collect product with asaptule. Dispose in accordance with  
accredited waste disposal authorities by incineration or landfill.  
Fire / Explosion Hazard  
Product should not decompose explosively. Extinguishing media is water, Co2, foam or dry powder. Use water spray to cool fire exposed areas 



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