We stock damp proofing membranes with an overall sheet thickness of between 0. £0. Yes, it’s really not pretty, but we want to sort the damp issue properly and not just patch it up for a few month or years. Add to basket. The damp proofing membrane shall not be allowed to freeze before it has dried as specified by the Manufacturer. $220. Check your local branch stock. Item Code: 222720262. This fix is carried out from external to internal in situations when the joists run parallel to the bowing wall. IKO also offer a number of on-line webinars which can be organised at your convenience. 99 Inc Vat. However challenging your project, Think Visqueen. A Liquid Epoxy Damp Proof Membrane (DPM) is often used as a remedial solution where an existing DPM has failed or was never installed. DPM Damp Proof Membrane 300MU 4m Wide Polythene Sheet 1200 Gauge (0. 1 x Basement Pump – Single Pump Fully Auto With Alarm Float Switch. Ideal for use in areas that are always in contact with water, Technoseal also provides protection against sillage. If using as a damp proofing membrane dress the Bitubond self adhesive membrane to the damp proof course level. Speak to us today on 0117 982 3282. If a DPM has failed or perhaps was never installed in the first place, the features. A specially formulated interior waterproofing primer. 3. Check out which Selco branch is closest to you using our Branch Finder and visit today to get your Weatherproofing Products. waterproofing membranes. A damp proof membrane, also known as a DPM, is a barrier that prevents moisture from passing through walls, floors, or foundations. 19 Inc VAT. Excellent Elongation. Damp proofing membranes can also be made from polyethylene foil. At Polyguard, we offer a superior solution to below-grade waterproofing and vapor barrier/retarders, to protect against water and contaminant entry due to cracks in the concrete slabs and foundation walls. 10. Proofex Engage mechanically bonds to poured concrete, remaining in place if settlement of substrate occurs. Novia Methane Pro Damp Proof Membrane Kit - 80m2 £300. Our Black Breg Polythene DPM is a heavy- duty membrane polythene sheet, that has been designed to prevent moisture from the ground entering a property. Waterproofing and Tanking. 00 incl VAT. Check your local branch stock. When mixed with water a slurry or mortar material is produced for direct application to a variety of construction substrates. Where insulation is concerned, fitting a damp-proof membrane is important, as it safeguards the insulating properties of the material. If a faulty damp proof course is the cause of rising damp in your property, it is important to install a remedial damp proof course as soon as possible. g. We got a building survey and there were some signs of rising damp and recommended a damp proof course being injected. For a complete building envelope solution to liquid waterproofing membranes, ARDEX is your best. The earlier a DPC can be installed, the more likely you are to avoid creating a damp environment. Flat Roof Solutions. Drybase 2mm Plaster Membrane Mesh (2m x 20m) - Low-Profile Plaster Membrane For Use on Damp Walls. JumboSeal 6000® Damp-proof Membrane comprises of 100 % closed cell low density polyethylene foam laminated with high-density polyethylene film. Also acts as a damp-proof membrane. A second-generation breather membrane, which conforms to BS 5534: 2014 and has BBA certification** to support its use within fully supported or unsupported tiled or slated roofing systems. 1 ADESO® – Adesoguard, REOXTHENE TECHNOLOGY® Easy Lift, REOXTHENE TECHNOLOGY® Bitulight and REOXTHENE TECHNOLOGY® Polyflex Light Damp Proof (DPM) Membranes, when installed in accordance with this Appraisal and the Technical. Here you will find a selection of technical articles, presentations and case studies from which to support your enquiry. Add to basket. Option 1 – Install a Floor Membrane. If you have any queries in the meantime, please do not hesitate to contact our office on 0333 202. It is a membrane layer which sits between the concrete and the underlayment, but it is not a liquid. Click & Collect Available for collection. Upload your proof of business, fill out your details, and we'll give you your trade card number then and there so you can buy online and in-branch straight away. Overview. Get a Selco Trade Card or login now. 1200g polythene Damp proof Membrane (DPM) is a heavy- duty sheet that is ideal for preventing the access of. Get a Selco Trade Card or login now. Once you have rectified the original source of the damp, start by removing the old plaster work and render back to the original masonry. I now realise this was the wrong product to apply to the ply board. The type of coating is chosen, depending on the usage of the floor. Our technical downloads library provides you with all your requirements for your next project, from our comprehensive datasheets to our thorough range of standard details. Damp Proofing. Damp proof membrane Trade Store (1) 635 products Compare Sort Sort Capital Valley Plastics Ltd Green 125 Micron Moisture barrier 2 options (2) £ 14. Geotextile Woven Membrane Black 4. There are many advantages to flat roofs; they can offer extra usable space on the top of a building or additional areas for installation of HVAC and various plant and solar panels. 72 Inc VAT. 99. In New South Wales, Clause 3. Protect your home from damp with Funcosil Facade Cream. Constructed with reinforced cross-weave fibre single sided PVC tape is ideal for ensuring joints of damp proof membranes are firmly held together. Highly durable barrier prevents the ingress of harmful, naturally occurring Radon gas. A damp-proof membrane (DPM) is a membrane material applied to prevent moisture. Delivery Free delivery available (restrictions apply) Log in to buy. It is […] SikaMur® InjectoCream-100 is easily injected into holes drilled into the mortar course of masonry using a normal cartridge applicator gun. 25 Ex VAT £239. (9) £39. The purpose of dampproofing is to slow down the transmission of water vapor through the concrete walls into the house. We still need to remove a bit more of the rubble on the surface and level out everything before we can. SmartCare Damp Sheath Interior prevents surface dampness from manifesting itself on top coat and enhances. Place the damp proofing membrane on the wall. Overview. It copes with up to 98% relative humidity and turns a damp area into a dry. The silane then lines the capillaries in the substrate to create a water repellent barrier. Thus damp is prevented from penetrating the membrane, thereby protecting your structure. Homeguard Damp & Timber Ltd is a reliable, punctual and professional family run business with over 20 years' experience of working on-site and. Damp Proof Polyethylene Builders Film creates an effective and reliable moisture barrier for a number of building and construction applications. In the properties of which there has no provided damp protection layer, that. However, there are still some garages that will have a DPC installed. Wykamol's No More Damp baseline & membrane kit is the perfect item to entirely waterproof floors and. Tel: +60 3 5510 8810 Fax: +60 3 5518 8202This is done by either installing a damp proof course membrane or fitting a second ‘fault’ floor and adding insulation between the two layers. 99 Inc Vat. It is there so that dampness does not occur when there is capillary action (the action of unwanted fluid passing through a small area that could create dampness). Read on or choose from the contents below to find out. Damp Proof Membrane. Weather and waterproofing tape will protect equipment, fixings, walls and wood from the damage caused by adverse exposure to the elements. They are 100% impermeable — they repel water, completely preventing it from penetrating the membrane. Up to 10 years warranty on selected items. Oldroyd Xs Slimline Membrane is a damp-proof membrane commonly used on top of damp concrete floors or newly-laid floor slabs. Hydro pressure intensifies with depth and soil wetness, like near ponds or creeks. £73. 1200 Gauge DPM - 4m x 25m. It is formulated with select elastomeric resilient acrylic polymers and reinforced with polyester fibers for excellent elongation and tensile properties. Customer Reviews. A foil backed board should not be used to cover up existing cases of damp. When dampness occurs in floors, issues such as insulation impairment, electrical damage and surface damage can occur. Delivery Free delivery available (restrictions apply) Log in to buy. The Wrekin Multitrack Non-Woven Geotextile Membrane 10 x 4. Packaging Type: Bucket. Wood: Use preservative-treated lumber and sheathing when installing wood products below-grade. Damp Proof Membrane: Hydraguard limits the. £ 62. Get a Selco Trade Card or login now. Solcourse DPM is commonly used as a moisture barrier to prevent moisture rising into a buildings. Basement waterproofing. Show: To prevent moisture and rising damp, browse through our range of Damp Proof Membrane (DPM) available at unbeatable trade prices today. Once applied, it diffuses within the damp wall to form a damp proof course, allowing the wall to dry and block future rising damp. 99Inc Vat. Damp Proofing < Back to Membranes & Barriers; Cromar Vent 3 Lightweight Breathable Roofing Membrane Dark Grey 50m x 1m (2697P). Only 8 left in stock. Contact our moisture control and management experts today at 214. IKO also offer a number of on-line webinars which can be organised at your convenience. SUGGESTED MASTER SPECIFICATION . A Vapour Control Layer, or VCL for short, is a plastic layer that restricts the movement of warm, moist air from inside a property into the fabric of the building. If you need help with a specification, our team are here to help. *Pricing is based on averages and subject to site assessment. Uses Waterproofing and gas proofing membrane for concrete basements, lift pits, carparks and other water excluding structures. It is often used underneath a concrete floor to stop it from gaining moisture. Ultracure Damp-proofing Cream 380 ml (comes with extendable plastic nozzle) Ultracure Damp-proofing Cream 600 ml. Sign in for trade prices. A vapour barrier, on the other hand, is a damp proofing product attached to a wood floor underlay to reduce moisture passage. Get a Selco Trade Card or login now. Add to trolley. From the mid 1960s to the mid 1990s a typical concrete floor comprised a layer of hardcore, a polythene damp proof membrane laid on a thin bed of sand (to prevent puncturing), and a floor screed. Buy Damplas Damp Proof Membrane 250MU 4 x 25m Blue at trade exclusive prices. This Waterproof Floor Membrane is quick and easy to apply. The shed originally contained an outdoor toilet, and a bin store. £5. At Garratt’s Damp, we specialise in providing holistic damp proofing for both residential and commercial properties. 81 Inc VAT. Item Code: 334531009. Damp Proof Courses. 10 of Volume One of the NCC and SA 3. 186. Our collection of Visqueen DPM plastic sheeting in 4mm width rolls up to 25m long and is available in 1000g, 1200g and 2000g gauges. Replaster. Water & Damp Proofing; Damp Proof Course; Wickes Green Polythene Vapour Barrier - 2. Ultracure is supported by BBA Certification Certificate No: 02/3961. DPM is short for damp-proof membrane, a class of waterproofing often used in construction to prevent water damage. Waterproofing sealant is applied to the surface of the roof to seal the roof and create a durable barrier that prevents water from seeping through to the inside. This reduces the risk of harmful interstitial condensation by ensuring that any moisture within the. Our waterproof duct tape is water resistant and extremely versatile and can be employed for use with both doors and windows. Upon curing, it forms a thick, seamless. Withstands 98% RH. It offers protection against a variety of problems associated with moisture ingress ranging from visible damp patches on walls and floors to salt damage, rot and mould. Damp proof course cost. - Physical Damp Proof courses – a new damp proof membrane can be inserted by removing a course of brick work and. Designed to prevent moisture intrusion in brick and blockwork, Damp Proof Course (DPC) Polythene roll provides a reliable and effective solution to domestic damp proofing issues. BBA Damp Proof Membrane 25m x 4m Clear (250mu) Looking for protection against rising damp? This damp proof membrane from Damplas is a versatile and reliable choice that will help to protect buildings against the ingress of moisture. 1 year waterproofing warranty on Dampness. As they can compensate for any structural movement over time, they provide longevity and peace of mind. We will make sure you have the right damp proofing product to get the job done. Returns & Refunds. 68 Per M². The membrane has highly flexible properties, allowing it to easily adapt to irregular shapes without cracking or breaking. Learn more. While damp proof membranes are used under floors to stop damp rising up into the building, vapour control membranes prevent moisture from inside the building. Insulated concrete forms - If installing below-grade insulated concrete forms, use manufacturer-approved materials for damp-proof coating. 84 Inc VAT. Click & Collect Available for collection. We have two different types of liquid damp-proof membranes. Our team of experts will gladly visit you and provide a survey of your damp concerns, recommending the most efficient solution for your personal needs or requirements. The easy application is carried out in two coats, with a brush or roller. 4. The following are the various Internal damp proofing methods, 1. When water rises within the wall it will allow ground salts. 86 Inc VAT. Penetrating damp is caused by water that enters the home from outside, including the walls, roof, or ceiling. FREE next day delivery available, free collection in 1 minute. An effective barrier against moisture, Damplas DPM is manufactured from 100% recycled polyethene and is suitable for use as a "Type A" damp proof membrane. . Dryzone Damp-Proofing Cream. Product Description. DampSafe 802-DPM is compatible with all common building materials, and suitable for numerous applications as a DPM, vapour barrier, or as a slip membrane, screeding membrane or curing membrane. Therefore, damp proofings work best in relatively dry locations. 45kg 200mm x 10m, wt 8. EN 13967. If using as a damp proofing membrane dress the Bitubond self adhesive membrane to the damp proof course level. 515. 88. Spread the Drybase Flex Adhesive with a suitable trowel over the face of the wall to cover approximately 1 m2 at a time. It sits between the concrete and the underlay floor covering. Vapour barriers. 2M X 14M 1000G Black Heavy Duty Polythene Plastic Building Dust Rubble Sheet DIY. Waterproof Paint to and more cities in Jamaica. Delta PT-Lath Plaster Membrane Fixing Plugs (200) inc Drill Bit (with or without seal) £ 37. H001511. Roller applied, Hydraguard is a Liquid Damp Proof Membrane used to limit moisture release; improve the strength of substrates; seal pin holes and air pockets and provide an enhanced surface for bonding for subsequent coatings. Damp proof course injection. 1. Open Mon-Thurs till 6pm and Fridays till 5pm. Overview. Highly durable barrier prevents the ingress of harmful, naturally occurring Radon gas. Drybase 2mm Plaster Membrane Mesh (2m x 20m) - Low-Profile Plaster Membrane For Use on Damp Walls. A waterproofing membrane is a flexible, monolithic, and liquid-based coating that is widely used in a range of applications – from bathrooms, roofs, and ceilings to pavements – to waterproof and protect from long-term damage caused by moisture. Economy Skeleton Gun, 9" Extension Nozzle, 1 x Pair of Green Nitrile Gloves. As a damp proof membrane, Allsheet can be for use in low risk / non-hydrostatic. Ultracure Damp-proofing Cream 1 Litre. The EPDM rubber roofing membranes are manufactured in widths upto 6. Inspiring Confidence. 6 x 380ml Cartridges. An effective barrier against moisture, Damplas DPM is manufactured from 100% recycled polyethene. Here you will find a selection of technical articles, presentations and case studies from which to support your enquiry. - Manufactured using over 90% recycled materials. Country of Manufacture: Germany. The DPM can be used as either. A damp proof membrane, more commonly known as a DPM, is a material that prevents moisture from penetrating the internal walls and floors of a property. This product is powerful and helps to hold back damp and excess moisture from ruining your floors. Call us on 302 244 0179 or submit an enquiry for contact information of contractors in your area. Overview. Upload your proof of business, fill out your details, and we'll give you your trade card number then and there so you can buy online and in-branch straight away. We re-negotiated and got a bit of a discount on the house based on this. Weather and waterproofing tape will protect equipment, fixings, walls and wood from the damage caused by adverse exposure to the elements. This is based on a real life case study, where I personally converted a brick shed into a small outdoor office. The product is easy to lay and comes in multi-fold rolls. Highly durable barrier prevents the ingress of harmful, naturally occurring Radon gas. Colour: White cream dries clear. Guarantees the life of your shower or wetroom. 20 – £ 58. FREE next day delivery available, free collection in 1 minute. How Do Sump and Pump Systems Works. Bricks and mortar can be very porous and contain many fine capillaries, through which water can rise. Our range of roof felting and waterproofing consists of trade-standard breathable roof membranes and roofing shed felt from leading brands such as IKO. Highly durable sheets or rolls to comply with current building. Damp proof. 16 review s. The installation of the DPM is extremely important as this acts as a barrier to prevent damp rising up through the substrate, from the ground below. Description. This bath and shower seal membrane can be applied by fixing the self-adhesive strip to the outside of the bath or shower tray where it will meet the walls. 1500mm x 50m Primaguard Breathable Membrane 115GSM. It sits between the concrete and the underlay floor covering. Drybase Black Liquid Damp Proof Membrane - 5L. 15 Ex VAT £62. And the average damp proofing price per metre is £60. 5 Items Found. The POLYBASE 1200 Gauge (300 Micron) is a loose laid damp proof membrane designed to seal the ground floor construction, perimeter walls and around service penetrations to eliminate damp from. 6/5. Installing a damp proof membrane. 5m x 4m) 2,054. 99 Ex VAT £37. The damp proof course is an important layer for all walls of the building that is provided near the ground in the wall to prevent dampness of the walls. Key. 804 [2019] External Moisture 13. There are many types of waterproofing materials. The surface of the slab should be smooth, flat and free from projections. It’s a BBM-certified DPM that’s. 1 The membranes must be protected against damage by the placement of a protection material between the membranes and the granular fill. The Cost of Damp-proofing in 2023. 20 review s. It is often used underneath a concrete. The Brain Tumour Charity. Vespol Alcor Dampcourse Standard 230mmx30M. Get a Selco Trade Card or login now. Choose Denso Petrolatum waterproofing tape to protect ductile iron and steel pipe. Builder's Roll/ Damp Proof Membrane. 40 Inc VAT. Our 2000 Gauge damp-proof membrane, which is also BBA Approved, is supplied in 4m x 12. 7 out of 5 stars 475Tyvek ® Supro is a durable, water resistant membrane that is reinforced with a laminated polypropylene nonwoven. Available in 380ml Cartridges, 1 Litre Cartridges and 3 Litre Buckets. It's one of a number of specialized products available to builders who want to go beyond simple asphaltic dampproofing. 3. The technical requirements for damp- proofing membrane are detailed in the South Australian Variations to the National Construction Code; SA F1. Sign in for trade prices. Our waterproof duct tape is water resistant and extremely versatile and can be employed for use with both doors and windows. Requirements in the UK. 08 each (Inc. Inspiring Confidence. Damp proofing membranes protect different parts of a structure from damage arising from damp, including mould and mildew, and the risk of rotten timber. 100m² per roll. Available in 380ml Cartridges, 1 Litre Cartridges and 3 Litre Buckets. 41. Get unlimited free shipping in 164+ countries with desertcart Plus membership. Damp Proof Membrane - DPM - 4x25m Roll. SHELTERSEAL DAMP-PROOF MEMBRANES Pg 3 Appraisal No. More complicated basement sealing jobs such as adding drains & gutters can cost over £6,500. Without the 50mm screed the product willLateral restraints provide a solution to bulging brickwork by restraining the whole of the brick outer structure of a wall to the internal floor joists. 2. Damp Proof Membrane. Browse our range of roofing felts, including shed felts, torch on underlays, and breathable membranes in different sizes. 100% recycled, 1200 gauge damp proof membrane for use below concrete floors or screeds where no groundwater pressure is expected. Liquid-applied membrane is commonly used for waterproofing and damp-proofing of concrete surfaces, such as floor slabs, retaining walls, balconies, tunnels, bathrooms and carparks. Complies with BS 8485:2015 + A1:2019 - industry standard for methane and carbon dioxide protection. Product Description. Both the 3000X and 5000HD are made from a high polymer SBS compound. Add to basket. View Product. Our range of PermaSEAL® membranes are highly effective damp proofing membranes designed to damp proof walls and eliminate dampness permanently. Still that may not solve a "rising damp" issue. Vapour Barrier vs Damp Proof Membrane. If the slab is in poor condition then the most comprehensive solution is often to replace it and install a new damp proof membrane below. The ARDEX Shelterseal range is one of the most specified and widely used damp-proofing membranes in the New Zealand market. 5mmx30m. By protecting the roof against the elements and water damage, the roof will have a much longer lifespan and remain strong and sturdy for many years to come. Construction professionals commonly use DPMs to protect buildings from dampness,. These Membranes can have a plain surface, for battening, or a Mesh surface for direct plastering or plaster boarding. This makes it ideal for use in a variety of construction applications like trench drains, wrapping of attenuation units, wrapping of perforated drainage pipes. Aluma Flash Plus is a self. 30mm. £60. We can deliver the Drybase Liquid Damp Proof Membrane (1 Litre, White) - Damp Proofing Paint for Interior & Exterior Walls and Floors. Delta PT-Lath Plaster Membrane Fixing Plugs (200) inc Drill Bit (with or without seal) £ 37. Screwfix customers rate this product 4. If the slab is in poor condition then the most comprehensive solution is often to replace it and install a new damp proof membrane below. The non-woven geotextile membrane allows for easy drainage, filtration and stabilisation while remaining strong and durable. Easy and fast installation to foundation walls. Excellent Elongation. Damp proof membranes are laid underneath concrete. Pre-applied waterproofing membrane conforming to the requirements of BS EN 13967:2004 and BS 8102:2009. Damp proofing should only cost between $2K to $8K*. Wykamol Group Ltd manufacture and supply products for the building industry across the UK, providing technical support and design. Dryzone DPC Plugs - Pack of 100. 99. 5/5. 2. 1 x T Channel Drain. Without the addition of damp proof coursing (DPC) and damp proof membranes (DPM), excess moisture and rising damp leads to deterioration of walls and foundations, as well as poor insulation, slip hazards and other problems. Add for Delivery. Damplas DPM is used as a membrane within a range of building applications, preventing water ingress in vulnerable areas. BBA Damp Proof Membrane Handi-Pak Black 3m x 4m (300mu) ★★★★★ ★★★★★ £13. Our range of damp proofing products includes everything from damp proofing paint and damp seal, to tanking slurry and damp proof membrane. Asian Paints SmartCare Damp Proof Ultra and Damp Proof are the ultimate solutions for roof waterproofing. Up to to 15% increase in top coat coverage. 3. Ideal for masonry, concrete, ICF, PWF foundations. Damplas DPM is used as a membrane within a range of building applications, preventing water ingress in. DPCs prevents the movement of moisture or water from one part of the construction to another. To lay a damp-proof membrane (DPM) you will firstly need to remove the skirting boards from around the room. Check your local branch stock. Cost + VAT (low to high) Average cost. Kit Includes: 8x 380ml of Ultracure Heavy duty Applicator Gun 1x 12mm x 250mm SDS drill bit 1x 12mm x 160mm SDS drill bit 1x Disposable gloves 1x Extended nozzle User Guide. The purpose of DPM. This damp proofing option is a specially designed plastic that you lay on the concrete and trim as needed to cover the entire floor. Read our Guide on 'How To Identify & Treat Rising Dampness On Walls'. bitumen, hessian and jute but the modern system uses plastic membranes or chemical injections. £178. However, while DPMs are instrumental in maintaining a dry, healthy living environment. 3mm. The EPDM waterproofing membranes are an excellent substitute to the torch-on membranes. 80. This transparent weatherproof wall coating is a quality exterior home improvement service is approved by architects. 75 m2 1. The cost to waterproof a basement. damp-proof meaning: 1. 64. You are placing it on top of the insulation, and so when the warm air comes through, when. A thinner sheet might violate building codes and be a costly repair, so 1200 is always suggested. VAT £104. 96 5. Earth where street levels have been raised and gardens cover sub-floor, reducing ventilation. com. Damp Proofing Roof Flashing Weatherproofing Tapes. Our Thistle Multi Finish Plaster is a gypsum finish plaster that is quick and easy to apply with a reliable setting time. Dryrod Hole Clearing Tool - Steel. 3. Call us on 03331 886388 and place your order over the phone. It offers protection against a variety of problems associated with moisture ingress ranging from visible damp patches on walls and floors to salt damage, rot and mould. Concrete paths and verandahs laid without membranes are above. It is highly recommended that the timbers in the immediate vicinity also have woodworm treatment applied as a precaution. The silane then lines the capillaries in the. Monarflex® 2000 Gauge DPM - A loose laid, polyethylene damp proof membrane for horizontal ground supported or suspended slab applications without hydrostatic water pressure. 4. DPM Sheeting is used as a DPC (damp-proof course), which is designed to prevent moisture reaching a concrete slab. The PermaSEAL 3 plaster membrane included in the kit provides. treatment up the walls to join the existing damp proof course. 🎬 Watch this: shows us his favourite method for damp. This vertical damp proof membrane is commonly installed between foundation brickwork known as tanking where a protective layer of bricks is built to protect the membrane from the backfill process. 15/5190)* breathable membranes for pitched roofs (IKO Rubershield ECO Extra, PRO and PRO Extra). Easy Trim Easyridge Plus 10m Dryfix Ridgekit Black. The next layer should be rolled out overlapping the edges of the membrane and seal. Indoor and outdoor use. 20 – £ 58. The HDPE material used to create the membrane is hydrophilic, meaning it can retain water and help to prevent water ingress. Damp-proof Membrane. Solcourse DPM is commonly used as a moisture barrier to prevent moisture rising into a buildings. Can be sprayed or trowel. Easy to Use. The membrane. (16 products) Damp-proof membrane is used to protect buildings from moisture by creating a damp resistant barrier. Your enquiry has been received and a member of our team will be in touch within 24 hours (Mon-Fri). PART 1 GENERAL . Damp proofing does, however, effectively stop diffuse ground. Applying a damp proof membrane for walls can be an excellent solution for damp problems in the home. Black Jack DPM provides an effective.