Torch applied waterproofing membrane
Description

Proofex Torchseal 3P and 4P are quality torch applied membranes manufactured from premium grade heavily modified bitumen, reinforced with a core of non-woven polyester fabric, weighing 180g/m², rot-proof and is malleable. The core gives the membrane its excellent mechanical properties, allows for good elongation and affords high resistance to piercing.
              Proofex Torchseal 3P and 4P membranes are ideal for use in a wide range of waterproofing applications such as foundations, basements, tunnels, roofs, carpark decks and other civil works. The chemical resistance of Proofex Torchseal 3P and 4P makes it particularly suitable for tanking applications in areas where aggresive ground water conditions prevail.
              Slated surface (3 mm / 4mm ) Aluminium faced range ( 3mm / 4mm) and double reinforced torch membranes are also available.

Uses
To provide waterproofing and damp-proof membranes for:
Concrete roof and floor slabs „
Basement tankings „
Car park deck slabs „
Concrete retaining structures „
Tunnels and subways
Advantages „
  • High strength reinforcement gives excellent resistance to puncture and stress
  • Easily torch applied „ Bonds well to the substrate „
  • Readily formed to contours
Specification

The waterproofing membrane shall be a high performance torch applied 3mm / 4mm thick membrane, manufactured from high quality polymer - modified bituminous compounds and reinforced with non woven polyster fabric, weighing 180g/m².

Technical support

Fosroc offers a comprehensive technical support service to specifiers, end users and contractors. It is also able to offer on-site technical assistance, an AutoCAD facility and dedicated specification assistance in locations all over the world.

Instructions for use
Surface preparation

Concrete surfaces should be float finished and free from cavities and projecting nibs. All surfaces shall be dry and free from frost, surface laitence and contamination.

Priming

Proofex Torchseal Primer must be applied to the substrate and allowed to dry until it is tack free, prior to the application of the membrane. All surfaces must be re-primed if left for more than 24 hours prior to the application of Proofex Torchseal membranes.

Application

The membrane is unrolled and placed in the correct position where it is to be torched on later. During each stage, each roll must overlap the next layer by atleast 10cm. The membrane is rolled back without changing the orientation. The rolled membrane is slowly unrolled again, while it's surface is lightly heated, transversally, by means of a propane gas torch, thus causing surface melting and subsequent adhesion to the surface. End joints should be made with a minimum of 15cm overlap.

Application tools and equipment

The tools and equipment required to apply Proofex Torchseal 3P and 4P membrane include a propane gas torch with related gas cylinder, a knife for cutting the membrane to size and a trowel with a rounded tip. Protective gloves and goggles are necessary when using the gas torch.

 
Packaging 

Supply Proofex Torchseal 3P/4P : 10 m long x 1m wide roll Proofex Torchseal Primer : 20 and 200 litre drums

 

 

 

 

images 3 Download Datasheet for ProofexTorchseal3P_4P

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