In many roofing systems, the sealing of the roof waterproofing membrane to the rainwater outlets relies on a clamping ring and a mastic seal.

 

This means there will be a future maintenance item directly in the water flow. To ensure that the connection between the Sarnafil roofing membrane and the rainwater outlet is as well sealed as the seams in the membrane itself, Sika Sarnafil provide a wide range of rainwater outlets that are simply hot air welded to the roofing membrane, creating a permanent watertight joint.

 

Each of the standard Sarnafil outlets has been tested against the requirements of BS EN 1253 (with the Sarnafil leafguard fitted) and eliminate the cold bridging associated with traditional metal rainwater outlets.

 

To complement the product range, Sika Sarnafil also provide a drainage calculation service, enabling the designer to optimise the number of outlets on the roof early in the design stage. As detailed information is required to enable us to carry out drainage calculations for a Sarnafil roof, please contact our technical services team.

S Drain (PVC)

The S-Drain PVC is made of rigid high quality PVC by injection moulding procedure.

 

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T Drain (FPO)

The Sarnafil T Drain is made of rigid high quality polyolefine by injection moulding procedure.

 

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S-Scupper PVC

The S-Scupper PVC is made of rigid high quality PVC by injection moulding procedure.

 

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Box Scuppers

 

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T Scupper

The Sarnafil T Scupper is made of rigid high quality polyolefin by injection moulding procedure.

 

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Duoseal Universal Coupling

The S-Duoseal Universal Coupling is made of ethylene propylene diene monomer rubber (EPDM) by injection moulding procedure.

 

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T Overflow

The Sarnafil T Overflow is made of rigid high quality polyolefine by injection moulding procedure.

 

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G/S Overflow

The S-Overflow PVC is made of rigid high quality PVC by injection moulding procedure.

 

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Flexible Rubber Coupling

Sarnafil flexible rubber couplings are made from a durable thermoplastic compound. The dimensional flexibility of the couplings ensures that a leakproof seal can be achieved on many pipe materials.

S-Leafguard

Standard Sarnafil leafguards for Sarnafil G/S and TG/TS rainwater outlets, manufactured from rigid UV resistant PVC.

 

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