Powerscrim top hat
Pipe seals for reinforced HDPE liners

Product shown for illustration — spec above is definitive
A pre-formed top hat that seals a pipe where it passes through a Powerscrim liner — the detail where most leaks start. Sized to the pipe, in 45° or 90° to suit the angle it enters at.
- Pipe sizes
- 110 – 225mm
- Angles
- 45° · 90°
- For
- Powerscrim liners
- SKU
- AQ-TH-PS-110-45
- Lead time
- Confirmed with your order
- Carriage
- £225.00 per order, ex VAT
- Sold
- each
Specification
- Material
- Powerscrim reinforced HDPE
- Pipe sizes
- 110mm · 150mm · 185mm · 225mm
- Angles
- 45° or 90°
What you get
- One pre-formed top hat
Where it's used
- Inlet and outlet pipes through tank liners
- Service penetrations
Supply & install
We'll put it in for you.
Buying the parts is one option. The other is handing us the drawing and taking a single installed price — with the welding, test weld and handover documentation included.
Attenuation tanks →Before you order
Frequently asked questions
Match the angle the pipe meets the liner: 90° where it passes straight through a wall, 45° where it enters at an angle.
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