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  • Low Trade Prices
  • Free Technical Advice

We are now open and processing orders in line with Government advice. We are offering a 1-3 day delivery service and a contactless click and collect service from our Bristol Depot.
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  1. Damp Proof Membrane Black (BBA) Handy Pack - 300mu 1200 gauge
    DPM Handy Pack - 300mu 1200 gauge - 4m x 5m
    £17.35 Ex VAT
    £20.82 Inc VAT
  2. Damp Proof Membrane Black (BBA) 300mu 1200 gauge - 4m x 25m
    1200 Gauge DPM - 4m x 25m
    £43.80 Ex VAT
    £52.56 Inc VAT
  3. Vapour Control Layer Standard
    Vapour Control Layer 125mu - 2.5m x 50m
    £43.60 Ex VAT
    £52.32 Inc VAT
  4. Radbar Radon Gas Barrier Membrane Green 1200 gauge - 4m x 25m
    Radbar Radon Membrane 1200 Gauge - 300mu - 4m x 25m
    £88.50 Ex VAT
    £106.20 Inc VAT
  5. Radbar Amber 1 Gas Barrier Membrane 4m x 12.5m Permagard
    Radbar Amber 1 Gas Barrier Membrane 4m x 12.5m
    £96.60 Ex VAT
    £115.92 Inc VAT
  6. Radbar Amber 2 Foil Gas Barrier Membrane 2m x 50m
    Radbar Amber 2 Foil Gas Barrier Membrane 2m x 50m
    £392.00 Ex VAT
    £470.40 Inc VAT
  7. Flexible Hydrocarbon Membrane | Permagard
    Radbar Flexible Hydrocarbon Membrane 1.3 x 20m
    £248.00 Ex VAT
    £297.60 Inc VAT
  8. Single Sided DPM Tape - 75mm x 33m
    Single Sided DPM Tape - 75mm x 33m
    £6.50 Ex VAT
    £7.80 Inc VAT
  9. Radbar Double Sided Tape 50mm x 10m
    Radbar Double-Sided Tape 50mm x 10m
    £7.80 Ex VAT
    £9.36 Inc VAT
  10. Radbar Single Sided Tape Foil (Vapour Barrier) - 75mm x 50m
    Radbar Single Sided Tape Foil (Vapour Barrier) - 75mm x 50m
    £12.10 Ex VAT
    £14.52 Inc VAT
  11. Radbar Single Sided Tape Grey (Radon)
    Radbar Single Sided Tape Grey (Radon) 75mm x 50m
    £12.10 Ex VAT
    £14.52 Inc VAT
  12. Radbar Hydrocarbon Jointing Tape - Single-sided
    Radbar Hydrocarbon Jointing Tape - Single-sided 100mm x 20m
    £32.95 Ex VAT
    £39.54 Inc VAT
  13. Radbar Double-sided Hydrocarbon Jointing Tape
    Radbar Double-sided Hydrocarbon Jointing Tape - 100mm x 15m
    £19.95 Ex VAT
    £23.94 Inc VAT
  14. Radbar Radon Sump | Permagard
    Radbar Radon Sump
    £26.85 Ex VAT
    £32.22 Inc VAT
    Out of stock
  15. Damp Proof Course 500mu 112.5mm x 30m
    Damp Proof Course 500mu 112.5mm x 30m
    £2.90 Ex VAT
    £3.48 Inc VAT
    Out of stock
  16. Damp Proof Course 500mu 100mm x 30m
    Damp Proof Course 500mu 100mm x 30m
    £2.60 Ex VAT
    £3.12 Inc VAT
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Learn more about Capital Valley Plastics

When it comes to gas barriers, damp proof courses and 1200 gauge DPMs, Capital Valley Plastics is at the forefront of the industry. Their Radbar range is a market leader, featuring leading-edge products at affordable prices.

As well as manufacturing specialist damp proofing materials and barriers for the construction industry, Capital Valley Plastics also manufactures a full range of entry-level products.

Here at Permagard, we are pleased to supply a selection of Capital Valley Plastics’ award-winning damp proofing products including: