These are the most recent introduction among innovative basement waterproofing membranes. It benefits from a mesh welded to the surface to allow for direct rendering or dot and dab finishing. ARDEX ENDURA provides HDPE (High Density Poly Ethylene) membrane, WPM 3000 BG, a unique composite sheet, comprising of the HDPE backing layer, a pressure-sensitive adhesive membrane, and trafficable weather-resistant protective. PermaSEAL PRO 8 Green Roof is a high quality green roof membrane, ideal for creating an attractive and healthy green roof. Inject the cream into the boreholes using a low pressure sprayer or cartridge gun. 109. Damp Proofing Walls with Damp Proof Paints. Manufactured from premium HDPE, it provides a drainage layer and filtering layer all in one membrane. wall and floor membranes within a PermaSEAL cavity drain system. If you have questions around creating a liquid DPM then contact our expert team. It can be installed into either 10mm or 11 mm holes depending on the substrate. The hygroscopic salts that are contained in the surface attract the damp in the air to the surface giving the appearance of a darker, damp patch. 200 ml/m² depending on the porosity of the substrate. It provides protection in case of water accumulation. 80/square foot, EPDM is one of the most inexpensive roofing materials around. Colour: Black. as identified by a calcium chloride test), a waterproofing agent like Siloxa-Tek 8510 should be applied along with the densifier mentioned above. For accurate estimating, use our Cost Calculator for estimates customized to the location, size and options of your project. We are official distribution. Liquid waterproofer with primer. 5m² for two coats). Rating: 100%. Kiesol C is a next generation Damp Proofing Cream, providing permanent protection against rising damp. This will completely cease the movement of water between the membrane and the structure, creating a building envelope. Its adhesion is impeccable and the edges are completely seamless, preventing water from seeping in. Here at Permagard, we’ve written a number of guides on tanking, from ultimate guides to applying internal and external tanking: 🎬 Watch this: shows us his favourite method for damp proofing a basement or cellar. 7. PermaSEAL 8 Green Roof Membrane – a drainage layer suitable for extensive and intensive green roofs and horizontal drainage below parking decks and walkways. The mesh provides an excellent key for a range of finishes. HDPE/Bentonite sheet waterproofing membranes with expandable bentonite adhered to high-density polyethylene. Benefits include: Highly flexible and instantly waterproof. The typical cost range for basement waterproofing is between $2,300 and $7,575, with a national average cost of $4,920. STOP RISING DAMPNESS IN ITS TRACKS. PermaSEAL Self-Adhesive Tanking Membrane is designed to protect below-ground structures from water ingress. This is the second waterproofing paint on our list that can do wonders to basement walls and below-grade foundations. Permaseal 20 Floor Membrane 40m² 204 75. We’re here to help and have over thirty years of. Find My Store. Remove the protective paper from the Double Sided Tape. The PermaSEAL Basement Sump and Dual Pump System is designed for the removal of ground water from within basements, light wells and water collected from cavity drain membrane systems. SANI-TRED Permaflex allows you to waterproof most construction surfaces, keeping concrete, wood, steel and even some plastics protected. Dimple mat, or dimple board, is a product that seems to fall somewhere in between simple asphaltic dampproofing and a full-on waterproofing membrane. Fit the membrane as level as possible - best results are achievedSelecting the right Waterproofing Solutions for your project, ensuring for overall success. Ideal for masonry, concrete, ICF, PWF foundations. It should require around 3-4 heavy coats to achieve a 30 mil (0. Stretching can lead to creases being caused in the membrane as the tape reverts to its manufactured size. sealing membranes that have been cut in order to overlap, for example at corners, reveals, wall/floor joints or any protrusions through the membrane. PermaSEAL DPM Tape is manufactured from butyl, so it is important not to stretch the tape when unrolling it or applying it. -ft. Basement Membranes. The cavity created by the cavity drainage membranes. PermaSEAL Self-Adhesive Tanking Membrane is designed to protect below-ground structures from water ingress. Call: 800-421-7325. Code: M18. 4. Compatible with all types of pool paints. Our range of PermaSEAL® membranes are highly effective damp proofing membranes designed to damp proof walls and eliminate dampness permanently. PermaSEAL 8 Clear is a translucent high-density polyethylene (HDPE) membrane for damp proofing and waterproofing walls, floors and ceilings in new or existing buildings. The composite weight of the material is up to 1. 70 per square foot at. Basic Uses. They are simply fitted by drilling a 10mm hole through the membrane into the substrate. It is made from 0. Water-based, liquid applied, waterproof membrane. High quality and affordable. £159. Damp proofing. Features • High drainage capability • 250kN/m² compressive strength • Rot, chemical, bacteria and frost resistant PermaSEAL Damp Proof Paint is a high performance liquid damp proof membrane. PermaSEAL Damp Proof Paint is a high performance liquid damp proof membrane. 0. This Kiesol C DPC injection cream kit will cover approximately 30 linear metres of 100mm (4. We also provide our Armor Masonry Sealer which can effectively seal and waterproof rough textured concrete, in addition to a full line of egress and standard. PermaSEAL® waterproofing membranes can also be used in conjunction with other external waterproofing products. Our damp proof paint is a high-performing liquid, ready to use straight from the bucket. Our knowledgeable, technical sales representative are available to discuss these options and how you can best prevent water intrusion. Basement tanking membranes like PermaSEAL and those manufactured by John Newton and Platon, are designed to control the passage of water using cavity forming membranes, drainage channels and sump and pump water evacuation systems. In layman’s terms, it is liquid rubber waterproof product. 1 x 20m² (4m x 5m) PermaSEAL Extensive Root Barrier Membrane. Available now in powdered (hydrophobic or crystalline) and bulk liquid (hydrophobic). Click & Collect in 15 minutes. When temperatures are low, we recommend storing the material in a warmer environment. In these instances, it should be used in conjunction with PermaSEAL 8 Geodrain Membrane. You can then either apply PermaSEAL Rope or PermaSEAL Brick Plug Washers to the head of the plug before hammering home to create a secure seal. 35 to $6. Consul. Newton 508 is made from 0. With the highest strength geotextile filter fabric available and a HDPE drainage membrane made from recycled plastic, we achieve the perfect balance between performance and sustainability. They are supplied with a rubber grommet so that when the plug is fixed into the substrate the grommet creates a compression seal against the membrane to stop any water ingress. The application is easy even around details such as pipe penetrations, inner and outer corners, wall-floor junctions, etc. CleanSpace ®. Estimating the cost to waterproof a basement on a square foot base, most homeowners pay $3. Once dry, apply Colour Flex with a roller or brush. Membrane Primary Waterproofing Layer FINISHING PermaSEAL® PRO 60P Green Roof is designed to receive a number of build-ups including intensive Green Roof or hard landscaping designs. Clean First. Permagard has also put together a PermaPROTECT Mould Removal Kit that contains a mould wash concentrate, anti-mould paint additive as well as the equipment needed to safely apply the products. The drainage channel features an upstand for use in front of the cavity drain wall membrane. PermaSEAL 20 Geodrain is a high performance twin sheet 20mm universal drainage membrane for external waterproofing, both for vertical below ground application and horizontal above ground applications such as decks, green roofs and hard landscaping. Plaster Plugs 60mm. We also stock Plug sealing washers for use with our membrane fixing plugs. These membrane Plugs are designed to give a rapid fix into varying substrates. These PermaSEAL membrane plug sealing washers are part of our complete PermaSEAL system. PermaSEAL 8 Eco Cavity Drain Membrane - 100% recycled cavity drain membrane for basement walls and floors. Damp Proof Cream Kit Contents: 1 x Kiesol C High Strength DPC Injection Cream 5 Litre. Keep the unit filled with SEMCO Liquid Membrane™ to ensure con- tinuous application of liquid. Damp proof paint for internal walls can reduce the risk of damp resurfacing, acting as a barrier against water. 00. The stud depth of 8mm provides versatile use as both a wall and floor applied membrane. Basement Membranes. Long-Lasting Basement Waterproofing Product. PermaSEAL 3 Mesh membrane is the ideal product for isolating salt contaminated surfaces. This translates to at least one wall tie. Zinsser 5 gal. As manufacturers we pass savings onto you. It is a water-based sealer that is designed to resist staining and fading. Blueskin WP 200 is a self-adhering composite membrane consisting of an SBS rubberized asphalt compound. Bamboo Root Control System. PermaSEAL PRO 40 Green Roof Membrane - acts as both a drainage layer and large volume water storage; provides huge drainage and water storage capacity . Membranes like our PermaSEAL PRO 20P Green Roof Membrane combine drainage and water storage to help ensure the long term health of your living roof. PermaSEAL 8 Clear and PermaSEAL 8 Eco are high density polyethylene (HDPE) membranes suitable for use in waterproofing structures below ground level (basements) and isolating damp walls above ground level. 3. Basement Waterproofing & Foundation Repair Detroit Metro, MI - Waterproofing. What is Damp Proof Paint? Damp proof paint is a non-toxic product (free from solvents and plasticizer) that can be applied to surfaces to act as a barrier to. Basement waterproofing costs can vary depending on the size and method, but they generally range between $2,250 and $7,063, with the national average at about $4,539. 6kg/m² per coat (2 coats required). Our range of PermaSEAL® membranes are highly effective damp proofing membranes designed to damp proof walls and eliminate dampness permanently. Epoxy Damp Proof Membrane 5kg. to 12:30 P. For PermaSEAL floor membranes, follow this guidance: It is essential that there are no undulating surfaces or depressions in the floor. The CleanSpace ® wall liner is a 12-mil thick reinforced plastic liner that is installed with permanent drilled-in fasteners. PermaSEAL Membranes . PermaSEAL 3 Mesh Membrane 10m² Permagard. Foundation repair, basement waterproofing, crawl space repair, concrete raising 6 states Manufacturer's and performance warranty: Best Exclusive Technology Olshan Foundation Solutions: Foundation repair, exterior water management, crawl space repair, wall and concrete repairs: 19 states Lifetime transferable warranty: Best Warranty. Damp proof paint for internal walls can reduce the risk of damp resurfacing, acting as a barrier against water. See full list on permasealroofing. Refill the bucket halfway with clean. 5mm and 2mm thickness per coat. Damp proof paint can be applied to a surface with a brush, roller or spray, whichever method you prefer. When hydrostatic pressure is being exerted, you are unable to apply cementitious. Our PermaSEAL Salt Neutraliser is part of a solution to your internal damp proofing issues. PermaSEAL 3 Mesh is fitted horizontally or vertically. HDPE/Bentonite Sheet Membrane Dual Waterproofing System. Final Price: $115. A drying time of at least 12 hours should be allowed between each layer. PermaSEAL® PRO 60P. What is Damp Proof Paint? Damp proof paint is a non-toxic product (free from solvents and plasticizer) that can be applied to surfaces to act as a barrier to. WATERPROOFING MATERIALS AND INSULATING SYSTEMS. Sump and Pump Systems. The 60mm deep perforated cavities provide a water storage capacity of approx 20 l/m². Newton 503 Mesh is a meshed damp proof membrane for use either internally or externally. If you are already dealing with wetness in your basement, then start by locating the source of the moisture. Installation of exterior waterproofing membranes, insulation,. Inspiring Confidence. Ft. PermaSEAL Crystalline Cementitious Tanking is easy to apply with a brush or spray. black basement waterproofing paint. This type of repair entails excavating the entire wall and then installing. t is common practice however to install a drainage and protection membrane that will quickly alleviate water pressure from the surface of the primary waterproofing, whilst also protecting it from damage. PermaSEAL PRO 20P features 20mm cavities that are able to store a large volume of water. 50 to $6. In layman’s terms, it is liquid rubber waterproof product. x 6 mil Blue Virgin Polyethylene Moisture Barrier and Vapor Barrier Underlayment The average cost of waterproofing a basement is between $3. The product is supplied ready to use straight from the bucket. Labor alone makes up 50% to 75% of the total price. Basement Waterproofing, Foundation Repair, Epoxy Injection - Crack Repair, Drain Tile Systems, Foundation Wall Membranes, Window Well Drains, Window Well Covers, Concrete Floor Installation, Concrete Floor Replacement, Crawl Space Liners, Battery Operated Sump Pumps, Backup Sump Sumps, Yard Drainage, & Bowing Wall Bracing. PermaSEAL 3 Clear is a high quality, high density polyethylene (HDPE) membrane suitable for use in damp proofing structures above ground level. Perma-Seal 8 Geo-Drain is a twin sheet 8mm stud cavity drain membrane with Geotex, a filter fabric, thermally welded to the studded face. Once the underlying damp issue is resolved, it creates a physical barrier to prevent further damage and salt contamination. PermaSEAL Self-Adhesive Tanking Membrane is designed to protect below-ground structures from water ingress. It can be used in both extensive and intensive green roof systems on houses, sheds, garages and larger commercial projects. Every joint between gas membranes needs to be made gas tight in this way with the double-sided tape. With its 3mm stud, Newton 503 Mesh is just over 3. PermaSEAL 3 Clear has a life expectancy of at least 30 years (DIN 9001:2000). DPM Handy Pack - 300mu 1200 gauge - 4m x 5m Permagard. The hygroscopic salts that are contained in the surface attract the damp in the air to the surface giving the appearance of a darker, damp patch. PermaSEAL’s flexible tanking system is suitable for waterproofing concrete, brickwork or stone in the following situations: Tanking of basements, cellars, lift pits. The first option is to install a meshed damp proof membrane to the chimney breast. black basement waterproofing paint. Can be effectively applied in conditions to -5C with no special protection. PermaSEAL 8 Plaster Membrane is a high quality basement wall waterproofing membrane. At Permagard, we advise against using a mesh membrane for vault ceilings due to the number of additional fixings required and the additional weight of wet plaster or renders. Interior basement waterproofing costs $4,500 to $10,000 on average. Remove the protective paper from the Double Sided Tape. Can be. This unique rapid tanking system allows you to install a waterproofing repair and solution in a single day, protecting the homeowners’ possessions and property. Suitable. This cavity drain membrane system is a water management system that is not designed to block water ingress but simply controls any water that enters the structure to an evacuation point. A layer of dimpled internal drainage membrane is rolled onto the concrete foundation and secured using special washers and concrete nails. telegraphed through both surfaces of membranes TPO 2 (significantly) and PVC E (moderately) providing a texture to both sheets. £36. It can be used for waterproofing retaining walls, floors and vaulted soffits, and is ideal for basements and cellars as well as in above ground applications. The stud depth of 3mm provides a suitable air gap for use as a wall applied membrane. Kiesol C is the highest strength damp proofing cream in the world with an active ingredient (silane) level of 80% which is more than any other damp proofing cream on the market. LeakBarrier® BG700 is suitable for installation to a variety of substrates and conditions. PermaSEAL 3 Clear has a life expectancy of at least 30 years (DIN 9001:2000). Now apply pressure to the membrane in order to join the two membranes together. Newton Membranes and PermaSEAL Waterproofing Membranes come in a. Helical Spiral Bar 6mm x 7m 5 Pack Permagard. Designed to work against bamboo. Uses of Fleece. Permaseal Quick Plugs are used to secure Permaseal System membranes to brick, concrete, stone and other masonry surfaces. Back in 1931, John Newton introduced the Newtonite lath membrane to the UK. PermaSEAL 8 Geodrain is supplied in two metre wide rolls. Waterborne Dry Fall Black Coating is a high-hiding interior flat acrylic coating for use over prepared ceilings and walls of commercial or industrial buildings. Our ground-breaking Sika Watertight Concrete System is specifically designed for water resistance underground. Both soft and lightweight, it’s a brilliant all-rounder and is remarkably easy to lay in difficult areas, such as staircases or hallways. PermaSEAL Meshed Damp Proof Membrane is a 3mm meshed plastic membrane designed to isolate the damp background and provide an excellent ‘key’ for lime mortars, renders, plasters and dabbed plasterboard. PermaSEAL 1 Floor Membrane is inert and is highly resistant to water, alkalis, hydro-carbons, saline solutionsPermaSEAL Self-Adhesive Tanking Membrane should only be installed in dry weather and at temperatures between 5 °C to 30 °C. PermaSEAL DPM Tape is manufactured from butyl, so it is important not to stretch the tape when unrolling it or applying it. New construction waterproofing services and products to ensure your building will not have future water problems. In June 2023 the cost to Waterproof a Basement starts at $11. Ensure that the. Permagard offers a rapid tanking system to deal with live water leaks in cellars and basements. Podium decks, balconies/terraces, flat roofs. 1000g/m² Composition 100% Virgin HDPE Stud height Approx. Exterior waterproofing a basement costs $10,000 to $15,000. 2 cm (0. Geodrain membrane for new build basements. Damp Proof Paint. SikaBit® self-adhered bituminous modified sheet membranes, provide a cost-efficient solution for basements and below-grade structures. 5 star rating. Related Products. These systems can prevent water from entering basements and damaging. The spacing width for vertical and horizontal plug fixings differs so make sure to follow the instructions as specified in your membrane kit. 180kN/m² Colour Translucent Water drainage capacity Approx. These surfaces can often appear damp in periods of high humidity. The cob plug is ideal as it has an expanding stem, which provides effective anchorage in a wide range of base materials. Apply a Funcosil Bl Primer and allow to dry fully. It can be rendered or dot and dabbed immediately after completion of the membrane installation, significantly cutting down the time of the remedial work. PermaSEAL Basement Waterproofing Membranes. The drainage channel has engineered 19mm holes in the back of the channel to allow any water ingress to freely pass into the channel to be. Work is to be performed in 2024. Green Roof Kit contains: Our green roof kit has been carefully put together to contain all the core components to create the foundations of a successful living roof. 200 ml/m² depending on the porosity of the substrate. It should require around 4-5 heavy coats to achieve a 60-80 mil (1. Rain or Shine, NO WAITING Basement Waterproofing Concept. 5 wall ties per m2 is the recommended spacing. Whilst this is still damp, apply one coat of tanking slurry 100mm up the wall and 100mm across the floor. by Permagard. Wed: 7AM-6PM. Permaseal is a product that can be used to seal concrete, brick, and masonry. Waterproofing layer 3. Many basement egress windows are ugly, rusty, leaky and do not open or close properly. Lines Open: 9am - 5pm, Monday - Friday. Waterbourne Dry Fall Black Coating. Basement tanking membranes like PermaSEAL and those manufactured by John Newton and Platon, are designed to control the passage of water using cavity forming membranes, drainage channels and sump and pump water evacuation systems. A regular upkeep schedule does wonders for keeping your decking. VCLs prevent excess moisture entering a wall’s cavity, behind the insulation. Sealing a deck costs $936 or typically between $551 and $1,329. £ 39. 75 to $4 per square foot for both materials and labor. £41. Once dry, apply Colour Flex with a roller or brush. sump chamber. Basement waterproofing cost by size - Chart. Wall Tie Spacing. for pricing and availability. Sun: Closed. Oldroyd Membranes and AccessoriesCob Plugs - 60mm, 90mm, 110mm, 130mm - generally used on either mesh or clear membranes for fixing into friable substrates. Ensure that the membrane is fitted level by laser levelling the wall beforehand. PermaSEAL Overtape is a black PVC backed one-sided tape which is used for connecting and sealing the non-mesh PermaSEAL membranes together where they join or overlap. PermaSEAL 3 Mesh is a high quality, high density polyethylene (HPDE) membrane suitable for use in damp proofing structures above ground level. A vapor barrier is a unique membrane available for basements and crawl spaces, costing between $0. Which is integrally laminated to a blue, high-density polyethylene film. 5-2mm) (DFT) membrane. Our PermaSEAL damp proofing mesh membranes will also provide a key for rendering, if you aim to plaster your garden room walls directly. (15m² for a single coat per 25kg unit or 7. This upstand allows the floor or wall membrane to be sealed to the drainage channel with PermaSEAL Corner Strip. Learn how to use PermaSeal sealer to seal voids and irregularities created during the. 76mm) (DFT) membrane. For each of these applications and more, there's a BITUTHENE® product developed by GCP Applied Technologies. Its adhesion is impeccable and the edges are completely. Features. Features. The standard suggests consideration be given to the use of dual systems. Protect the Newton HydroBond 410 Geodrain with. This is more than any other damp proofing cream on the market providing long lasting protection. 8kg each) Size: 25 Kg. Sealing a deck costs $936 or typically between $551 and $1,329. Made in Britain by the original innovators of watertight concrete to keep water in its place. The stud depth of 3mm provides a suitable air gap for use as a wall and floor applied membrane. 50 Inc VAT. as identified by a calcium chloride test), a waterproofing agent like Siloxa-Tek 8510 should be applied along with the densifier mentioned above. 520. PermaSEAL 8 Green Roof Membrane – a drainage layer suitable for extensive and intensive green roofs and horizontal drainage below parking decks and walkways. Damp Proof Paint. Clear Membrane for Walls & Floors - 40m². The stud depth of 8mm provides a suitable air gap for use as a wall applied membrane. PermaSEAL 3 Clear is a high quality, high density polyethylene (HDPE) membrane suitable for use in damp proofing structures above ground level. It should require around 4-5 heavy coats to achieve a 60-80 mil (1. We are official distribution partners for Remmers as well as major stockists of Newton Membranes. Stretching can lead to creases being caused in the membrane as the tape reverts to its manufactured size. This plastic sheeting is commonly. The consistency is similar to that of thick emulsion paint, the standard product being supplied as a black or. A phospholipid is a lipid made of glycerol, two fatty acid tails, and a phosphate-linked head group. 00. £108. If you have any questions in relation to external waterproofing or basement waterproofing in general get in touch. Area: 25m². The PermaSEAL Floor Membrane has a 20mm stud profile giving a high drainage flow rate of 36,000 litres per hour for each square metre of membrane. Our PermaSEAL Mesh membranes have a high-quality meshed surface which provides an excellent ‘key’ for lime mortars, renders, plasters or dabbed plasterboard. It is used externally below ground in conjunction with a land drain or French drain and a bitumen waterproofing material. 5 Inch single brick) wall thickness. 500. The first coat should be applied in a horizontal direction all the way down to the fillet level. PermaSEAL Fleece Overstrip is a grey geo textile backed one-sided tape. Its unique dimple design and Air-Gap Technology provide effectiv. M. Uses of Fleece. 5") brick work or 25 linear metres of double skin (220mm, 9") brick work. Perma-Seal 8 Geo-Drain is a twin sheet 8mm stud cavity drain membrane with Geotex, a filter fabric, thermally welded to the studded face. 7. PermaSEAL 3 Mesh has a life expectancy of at least 30 years (DIN 9001:2000). Fibran XPS 500 - Closed Cell Insulation; Permagard - Providing Solutions, Inspiring. It can also be used as a high performance drainage membrane solution for walls or vaulted soffits where. Easy and fast installation to foundation walls. PermaSEAL 8 Plaster Membrane is a high quality basement wall waterproofing membrane. PermaSEAL 3 Mesh Membrane is a high quality meshed membrane, designed for damp proofing walls internally above ground. It is designed for connecting and sealing all PermaSEAL mesh membranes together where they join or overlap. Sat: 7AM-12PM. Damp proofing inside wall with dryzone rising dampfibreglass) APP modified bituminous torch applied membrane. The membrane can support a 65 mm screed or an insulated floating floor. PermaSEAL 8 Geodrain external waterproofing membrane allows water to freely drain through the filter fabric into the cavity. Permaseal Damp Proof Paint is a high performance styrene butadiene based, single pack, liquid applied waterproofing and vapour proofing membrane. 4. The heart of the PermaSeal Roofing System is a high-strength, flexible, white, thermoplastic membrane. Cavity Drain Membranes . The stud depth of 3mm provides a suitable air gap for use as a wall applied membrane. The Perma-Seal 8 Mesh should be chosen as a wall membrane if a dot and dab Plasterboard finished is required and also provides an excellent substrate for Lime Mortars, renders and plasters. Permagard 30 Years of Basement Waterproofing Experience. These surfaces can often appear damp in periods of high humidity. 1 x 10m PermaSEAL Double Sided Jointing Tape. The most cost effective and simple waterproofing method for your sunken garden is to apply PermaSEAL tanking to the external earth-retaining blockwork. Petri-Seal™ adhesive sealing film is a waterproof, chemically resistant sealing tape designed specifically to seal (cover) the petri dishes and multiwell plates, and thus reducing evaporation, and. Permaflex. This Old House general contractor Tom Silva solves soggy basement problems and shows host Kevin O'Connor how to waterproof a basement. ) wide, by 914-cm (30-in. 14 - $13. The term “basement waterproofing” refers to any number of techniques homeowners can use to keep water away from their foundation and remove any water or moisture that does get inside. In new build or whenever floors are being replaced, the floor slabs can be designed and constructed at a 1 or 2 degree fall towards the water collection facility i. This clear membrane is light weight, pliable and easy to bend around corners or protrusions. , a two-part epoxy coating like Epoxy. It features a high quality geotextile filter fabric, thermally welded to the studded face. Read more on how to treat rising damp in our no-nonsense advice section. Rubi Kasuto — Back To Basement: be visiting Back. Most homeowners pay an average of $4,500 to $4,600 to waterproof their basements. DeckDrain is double cuspated - which means it has drainage studs both on the upper and lower surfaces. Basement Sump Pump from Permagard. wall and floor membranes within a PermaSEAL cavity drain system. Epoxy Damp Proof Membrane 5kg. It can cost $10,000 to $15,000, depending on the work needed. Model # HEWP200937 Store SKU # 1000403398. Approx. Easy Handling & Installation.