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Environmental Protection

Product Applications » Transformer Bunding

Transformer Bunds
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1. Bund walls are prepared with TR 35 fillet and Rawpaste mastic prior to laying membrane.
Transformer Bunds
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2. Overlaps are sealed with an application of Rawpaste mastic.
Transformer Bunds
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3. All internal and external corners are sealed to ensure a complete seal is achieved.
Transformer Bunds
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4. The entire bund must be sealed ensuring a bond is made to all plinths, sumps and ducts.
Transformer Bunds
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5. Once the membrane is laid and all overlaps/penetrations sealed, 50mm sand identification layer is placed.
Transformer Bunds
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6. A minimum 200mm layer of single sized stone is placed into the bund.
Transformer Bunds
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7. The stone confines the RAWMAT® HDB but allows volume for oil to be maintained.
Transformer Bunds
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8. RAWMAT® HDB provides an economical and effective barrier to transformer bunds. Also allows easy maintanence.