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Radbar Double-Sided Membrane Tape 4000ga 50 x 10m Product Code: 23552

Double-sided jointing tape, for use when installing damp-proof membranes, radon membranes and gas barrier membranes.


  • Very Low Moisture Vapour Transmission Rate
  • Formulated Using Latest Rubber Polymer Technology
  • Lasts Lifetime of Building
  • Excellent Elongation Properties


W x L: 50mm x 10m. EN 14909, BBA 96/3267.
Additional Information
Technical Specification
  • Brand : Radbar
  • Product Length : 10 m
  • Product Type : Double-Sided Membrane Tape
  • Product Width : 50 mm
  • Pack Size : 1
  • Coverage Per Pack : 0.5 m²
  • Manufacturer Guarantee : 1 Year Guarantee
  • Pieces in Pack/Case : 1
  • CE Standard (Tested to EN...) : EN 14909, BBA 96/3267.
Product Contents
Delivery & Returns


Standard delivery: €15

Free delivery on all orders over €70.00

Click here to see information on our delivery charges and times



Hopefully you won't need to return an item, however, if you do, it is our aim to make this as simple as possible. By following the guidance below you can help us to help you when a product is not what you expected, or is faulty. Your statutory rights are not affected by this guidance.


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€17.45 Incl. 20% VAT

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Radbar Double-Sided Membrane Tape 4000ga 50 x 10m is rated 3.0 out of 5 by 14.
Rated 1 out of 5 by from impossible! This stuff doesn't stick to what its supposed to and sticks to the backing paper - its almost impossible to pull the backing paper off without losing the seal on the dpm. Might have been the heat but the market leading brand and the stuff from Selco both performed really well under the same conditions. I'm taking the rest back.
Date published: 2018-07-28
Rated 1 out of 5 by from Useless This tape has good adhesive qualities, it stuck to every thing it touched especially me, and its own backing paper. Had to throw it away and use single sided tape.
Date published: 2018-03-27
Rated 4 out of 5 by from Membrane Sealant Excellent product, sticks immediately. Only negative which isn't really a negative but would maybe have another 25mm width on tape.
Date published: 2018-02-19
Rated 5 out of 5 by from Does what it is supposed to do Used it to repair DPM that had been cut to access a gas pipe under screed. Surfaces to be stuck need to be very clean and free of dust (I used Isoproponal alcohol). Be very careful not to remove backing tape until ready to install . If two inner (sticky) tape surfaces touch together then you will have a real problem as they cannot be separated. Overall, the membrane tape seems to work very well and do just what it is supposed to.
Date published: 2018-01-28
Rated 1 out of 5 by from Poor quality Screwfix needs to remove this product. I used a roll of this to joint 2 DPMs . The first side goes on well, but when you try remove the backing tape off the back side it keeps tearing the adhetive off. Maybe it was the heat but the tape took twice as long and basically left gaps in the tap where the adhesive was removed. Almost useless as the point is to create a watertight seal. Buy visqueen as this works 100 times better.
Date published: 2017-07-14
Rated 1 out of 5 by from Bad cold would be more useful Tried using at 20deg in sunshine. Material stuck well to roof but even better to the backing tape. 20 mins to do 1 meter. I will be returning the second reel for a refund....... Not what you need when working on a roof!
Date published: 2017-05-25
Rated 4 out of 5 by from Nice sticky tape Tape worked well, I was using it when the temperature was just a few degrees and it still suck well. There were a few places where it didn't stick to start with (probably a bit dusty) but warming the tape gently with a hairdryer sorted those out.
Date published: 2016-12-05
Rated 4 out of 5 by from Reliable, does the job I bought this to stick DPM damp proof membrane on top of sand blinding before the concrete ready mix was poured. There was just enough on the roll to cover the joins over a 4.4 x 3.8 metre area. Once you stick it down, it won't peel off, so get it right the first time. Did the job really well. Satisfied that when the concrete was poured, the membrane didn't come apart. The should make them in 15 and 20 metre rolls as 10meters was just enough.
Date published: 2016-12-03
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