While there are a few users who have experienced limitations in high-humidity environments, the overall consensus is that the 1200 Gauge Visqueen Vapour Barrier DPM 100m2 (50m x 2m) is an exceptional product that lives up to its promises. The quality and performance of this UK-manufactured vapour barrier make it an excellent investment for those seeking to protect their buildings from the harmful effects of condensation. As the word “duty” implies, each range has a usage application, ranging from very light use, like a garment separator sheet – to super heavy applications, like a membrane sheet for use in the construction industry. Polythene sheeting is a staple product for any project due to its versatility. It can be used for protecting furniture during house removals, covering floors during building and decorating work, or creating temporary dust screens, to name just a few!

It can also be used for general DIY and redecoration projects, especially to cover items which require a higher level of protection. If undamaged, it is suitable for reusing again. Extra heavy-duty polythene (1000+ gauge) These 1200 gauge DPMs from Capital Valley Plastics are designed to prevent moisture from the ground entering a property. The low density polythene sheets create a barrier between a concrete slab or screed and the final flooring finish. One micron is smaller than a bacteria cell – which isn’t a very helpful scale, considering most of us don’t have a microscope! Polythene’s high strength to weight ratio is thanks to the way it is made. During a controlled chemical reaction, single, free-floating molecules of ethylene gas are formed into long, repeating chains – producing a plastic solid. These long chains can be melted together, creating a flexible yet immensely strong material, with the properties we’ve come to know and love. Custom polythene from 32 gauge to 1200 gaugeDamplas Damp Proof Course Membrane is Manufactured to last the lifetime of the Floor Construction when correctly installed. DPM must be covered by a screed or other protective layer as soon as possible after installation. Care should be taken to ensure that the membrane is not stretched or displaced when placing the concrete or screed over the membrane. Sufficient allowance should be made to avoid bridging (i.e. creating areas of unsupported membrane) during screeding operations at internal angles, etc. It is ideally equipped to safeguard buildings against moisture, rising water and damp from the ground. Damplas DPM is Premium 1200 Gauge Polythene Sheeting is ideal to protect Buildings against Moisture and has Robust Puncture Protection. Installation Complexity: Proper installation of the Visqueen Vapour Barrier requires adherence to the recommendations of BS5250: 2002 ‘Code of practice for control of condensation in buildings’, and may necessitate the use of various tapes and accessories to ensure a continuous and properly sealed barrier.

What accessories are recommended for use with the Visqueen Vapour Barrier? To ensure airtightness, the following high-performance components are recommended for use with the Visqueen Vapour Barrier: When DPMs overlap you should use DPM tape to seal the joints. We sell both single and double sided DPM tape. Your DPM always needs to be continuous with the damp proof course (DPC) in the walls etc. Benefits of DPM Tyvek AirGuard Reflective Vapour Barrier 50m x 1.5m: A high-performance, reflective vapour barrier designed to improve thermal efficiency and control condensation in buildings.High Vapour Resistance: With a vapour resistance of greater than 530 MNs/g, this product effectively restricts the passage of warm, moist air from the interior of the building, reducing the risk of interstitial condensation and associated structural damage.

When DPM is used in underfloor heating applications, there will be no adverse impact on the membrane. Installing a DPM in the concrete slab helps protect your flooring from moisture transmission. Under normal conditions, the 1200 gauge DPM will remain an effective moisture barrier for the life of the concrete slab. Capital Valley Plastics pride themselves on the durability of their membranes. Permagard – over 30 Years’ Experience in DPMs How should the Visqueen Vapour Barrier be installed? The Visqueen Vapour Barrier should be installed according to the recommendations of BS5250: 2002 ‘Code of practice for control of condensation in buildings’. It is essential to ensure that the vapour barrier is continuous and properly sealed at all joints and penetrations, using the appropriate tapes and accessories. Comprehensive System Components: Visqueen offers a range of high-performance accessories, including jointing tapes and flashing tape, to ensure a complete and airtight vapour control system.

Our CE approved 1200 gauge damp proof membrane is manufactured to last the lifetime of the floor construction if it is correctly installed and not damaged by subsequent building operations.

Can the Visqueen Vapour Barrier be used in high humidity environments? The Visqueen Vapour Barrier is designed for use in environments with humidity levels less than 60% at 20 degrees Celsius (BS5250: 2002 class 2 and 3 conditions), making it less suitable for buildings with higher humidity levels or more demanding conditions.

Dimensions

DPM membranes are laid either under a new concrete slab or on top of it to prevent moisture transmission. Ordinarily you will have a bed of hardcore on the ground then either a blinded surface and a DPM before a layer of concrete, or you place the DPM on top of the concrete slab before the final flooring. If you suspect the groundwater to contain sulphates, then the DPM should always be placed below the concrete.