Installing a floor membrane on concrete to fight dampness is a relatively simple process, but getting it wrong can cause even more issues down the road. At DryCore , we have seen hundreds of cases like this and have helped clients to overcome the problem using various professional damp proofing methods. Category: Floor Treatment Tags: Damp Proof Membrane, Damp Proofing. You are essentially painting a concrete floor, after all! But it is an effective way to do it. Buy great products from our damp proof membrane Category online at Wickes. Aug 27, 2017. Indoor and outdoor use. It, therefore, prevents moisture build-up beneath vinyl or other floor coverings. e 0. If I put a damp proof membrane down first, like a paintable one like Wickes paintable bitumen or Drybase Dpm in white, would products like this work under self levelling compound?Wickes Bitumen Damp Proof Membrane Liquid - 25L (71) £80. T1000 Stampable OverlayFor use with resurfacing concrete floors and hardscapes. Broom Overlay Mix 6000 PSIAdd water and mix - Grey or white. Floors: Under/above screeds to provide a damp proof membrane. When installing an underlay process, roll out the damp-proof membrane the same way you do a carpet and cut to size. Mapelastic AquaDefense is a premixed, advanced liquid-rubber, extremely quick-drying waterproofing and crack-isolation membrane for installation under ceramic tile or stone in residential, commercial and industrial environments. 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. A ready to use liquid-applied damp-proof membrane. 18 Dec 2013. An ARDEX Damp Proof Membrane will protect the floorcovering. An advanced, ready-to-use, chemical damp proofing formula which forms an effective. Concrete floors subject to rising damp; New or old concrete floors where a DPM has failed or was never installed; Suitable for heavy wear areas; Use on areas of damp concrete which cannot be surface dried prior to painting; Features. These black DPMs can also be used with underfloor heating - under normal operating conditions this will not adversely affect the membrane. Thin Micro-ToppingProduces durable surface to color or stain. How does a Liquid Epoxy Damp Proof Membrane work? I don't know anything about using damp-proof membranes. Ground bearing concrete floors - 1960s to 1990s. 50 Inc VAT. Holds back rising damp where a damp proof membrane is either missing or defective. When laying radon membranes, they should extend the whole of the floor and walls. Whats people lookup in this blog: Liquid Damp Proof Membrane For Concrete Floor; Liquid Moisture Barrier For. • Protects walls and floors from water ingress and dampness. Can be over painted after 16 hours with most types of floor coatings. Damp Proof Membrane Paint. 60 per L. The epoxy DPM comes as a two-component system. Thread starter rifraf74; Start date 22 Feb 2007; R. The product is applied in two coats. Provides a flexible and resilient barrier to penetrating damp on. Larsen DPM Universal is a superior 2 pack epoxy surface applied liquid damp proof membrane that enables laying of flooring even where moisture levels are at their highest up to 98% RH. An advanced, ready-to-use, chemical damp proofing formula which forms an effective. Form some haunching on the 50mm flat, to create slope. Keep below grade excavations free of water to prevent potential reservoirs of moisture that can migrate upward through slabs. Self levelling compound. Rapid Set Skim CoatRepairs, levels, and smooths concrete for applications. ARDEX DPM accommodates hygrometer readings up to 98% RH. Drybase Black Liquid Damp Proof Membrane - 5L (0)The DPM may be above or below the concrete and continuous with DPC in walls and piers (See Figure 1). Applications: Floors. Underlayment for Laminate Floor (moisture barrier)Damp proof membrane for structural waterproofing Damp proof membranes (DPMs) are required for use either above or below solid concrete floor slabs that are in contact with the ground. Concrete floors are arguably one of the most common subfloors today. Whether you need to cure a damp concrete floor with a liquid DPM or paint your garage we have a specialist paint product fit for purpose. 64 Inc VAT. It is available in black or white with a consistency similar to that of thick emulsion paint. Using pin m/m's on a concrete or s&c screed floor needs experience - more important is what is the composition of the slab or the in-situ screed and if there is an actual DPM below the floor. Wait until the first coat of liquid DPM is touch-dry - approximately 15 to 30 minutes at 20°C – before applying the second coat at right angles to the. It did not cause any problems before (I took off the old screed and tiled floor already). KIAB Super Member. Self Leveling OverlayFind the overlay to meet your project's needs. It is. Iam a floor layer with 25 five years experience. Wickes are open, click and collect only, as are all the other ‘hardware’ type businesses. DPM Floor Membranes. £2,000. 50 /sqm. It had infact penetrated everything in the room. Capital Valley Plastics Ltd Damp-Proof Membrane Black 1200ga 25m x 4m (47163) (55) compare. Answered 27th Feb 2012. . ARDEX DPM is a solvent free, low viscosity, two-component epoxy resin. Using this latex based damp proof paint as a damp p. Broom Overlay Mix 6000 PSIAdd water and mix - Grey or white. Virtually solvent free liquid epoxy resin damp-proofer. link with wall DPCs to form an impervious barrier to prevent moisture reaching the interior of the dwelling. Concrete floors subject to rising damp; New or old concrete floors where a DPM has failed or was never installed; Suitable for heavy wear areas; Use on areas of damp concrete which cannot be surface dried prior to painting; Features. The vinyl that was laid bubbled up, so contractor removed it. The underlay of the laminate flooring includes a thin plastic sheet that covers the concrete floor right up to the skirting. How to apply Damp Proof Paint. In the case of gluing the floor, a liquid damp proof membrane should be used in conjunction with a suitable adhesive. Universal DPM allows immediate installation of moisture sensitive floor finishes onto damp concrete and screed. During construction a concrete floor was cast and plastering undertaken internally. Liquid Epoxy DPM . 1. Drybase Liquid-Applied Damp-Proof Membrane High-strength damp-proof coating for a wide variety of applications. The black layer is possibly the adhesive from the previous floor such as thermo plastic tiles or parquet. Assuming that the damp proof membrane (dpm) under the concrete has failed in areas then yes you possibly would get the odd patch of dampness showing in the floor. To apply liquid epoxy DPM correctly, build up multiple coats, always follow manufacturer's recommendations and ensure that the concrete surface is free of debris or organic matter. Once applied, it cures to form a flexible and elastic damp-proof membrane. A two-component epoxy resin membrane known as a liquid epoxy damp proof membrane (DPM) is especially made to be applied to damp floors in order to create a barrier between your floor and the layer below. If a DPM has failed or perhaps was never installed in the first place, the features. R. At Permagard, we stock the Radbar radon membrane. £. Use on concrete floors as an alternative to polythene. • 5L tin offers coverage of approximately 6. Sika Waterproof Coating Grey 5kg. It might seem a bit unusual. I think this is too expensive, so got a quote of another supplier of £2565 plus any potential floor preparation, with latex screen costing £13 /sqm or a feather finish at £2. Can be over painted after 16 hours with most types of floor coatings. A reading greater than 2. Effectively, a damp proof membrane (DPM) is used to create a barrier between a concrete (or screed) subfloor and a wood floor. Can be easily applied by brush. Stauf VPU-155 S DPM solvent free polyurethane primer: is a ready-to-use, one component polyurethane primer is particularly fast drying. Acts as a bonding agent for plaster and curing agent for concrete. Add to basket. I have a friend who has a concrete floor in her garage. The moisture readings taken at the time were 120 and 85, although the 120 reading was due to fresh concrete having recently been laid to level. liquid dpm and self levelling compound. Vapour barriers. Prevents rising damp and efflorescence. . £9. An insulation foam board needs to be laid directly on top of the concrete floor. The last reading taken was 95 and we were told it would need to come down to 75. 100% solids, high build coating; Virtually solvent free liquid epoxy resin damp-proofer; Withstands 98% RHTesting the Floor’s Moisture Level. It is supplied ready to use. Drybase Black Liquid Damp Proof Membrane - 1L (0)The DPM may be above or below the concrete and continuous with DPC in walls and piers (See Figure 1). It. Small hole dug through 2" soft sandy concrete to reveal hardcore and soil. 1. Description . S. You should use them to protect all final floor finishes. SikaBond® Rapid DPM Solvent Free Resin Primer and Damp Proof Membrane for Cement Based Substrates PRODUCT DESCRIPTION SikaBond® Rapid DPM is a single part moisture curing polyurethane. 5kg Tins of Epoxy DPM. 00. Learn More . • Weatherproof protection for walls, above-ground structures and foundations. 2. A punctured or missing damp-proof membrane below a concrete floor can give rise to the passage of moisture to the surface with the potential of ruining floor coatings and coverings such as. Withstands reverse hydrostatic pressure to 4. DPM Membranes for Concrete Floors ; Damp Proof Course; Damp Proof Paint; Rising Damp Treatment; Water Repellents; Vapour Control Layers; Internal Waterproofing;. After hardening the ARDEX DPM produces a membrane with high inherent strength and excellent bond strength to appropriate substrates including very damp concrete and screeds. Apply in Two Coats. Quarry tiles are installed on the solid concrete slab which is a good. Cromaprufe Bitumen DPM is a cold applied rubberised bitumen emulsion and damp proof paint that dries to provide a tough, black flexible coating that provides a waterproof membrane on concrete and brick foundations, retaining walls and bridge abutments. Tramex reading at the time of vinyl removal was 3-4+. Part of this improvement was to remove a wall to open the kitchen up into the adjacent room. 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. 18 Dec 2013. Due to the Breast wall settlement we pulled up the boards in the living room to use self levelling. I'm not 100% convinced they are asbestos tiles - but I best err on the side of caution. 00 Inc VAT. Oldroyd Xs Slimline Membrane is a damp-proof membrane commonly used on top of damp concrete floors or newly-laid floor slabs. Damp floors and increased moisture levels on concrete floor slabs can be a sign that the damp proofing has failed or that no DPM floor membrane was installed in the first place. DPMs come in solid or liquid form, the latter being a practicable solution for a garage conversion. This should be applied in a minimum of two coats (i. You can buy self-levelling floor screed compound from any DIY store. I applied this to the floor in two coats. Virtually solvent free liquid epoxy resin damp-proofer. All the. Drybase® Liquid-Applied DPM is suitable for use on solid floors, embedded timbers and floor-to-wall. A liquid-applied DPM (damp proof membrane) is a simple solution and an excellent way to damp proof a concrete floor. It is supplied ready to use. 32 metre Kit (Dri-Wall DPC Injection Kit - Mini) 17DWKIT4. ) 4. Liquid epoxy DPM for existing concrete floors. If you have that problem, I don't think a damp-proof membrane on top of the concrete will help. When mixed together and applied to a concrete surface it forms a barrier against the passage of water and is tolerant of residual moisture in concrete floors. underneath a screed or self level we. If the concrete is level you could glue the floor to the concrete using an adhesive (as you would a ceramic tile] It is advisable to use an epoxy primer first, it is expencive, about £60 for an average room. Applications. With a consistency similar to that of thick emulsion paint, it's suitable for use on solid floors, embedded timbers and. All tiles and sand cement screed removed and last remaining suspect area. Oldroyd Xs. This effectively creates an airtight seal through which moisture cannot break. • 1 or 2 coat application. € 80. The current recommendations for an effective damp proof membrane are that the ground should be constructed using screed with the damp proof membrane laid either on top or below that layer. It will tackle residual moisture in concrete up to 6% C. Our liquid waterproof membrane is a liquid DPM that makes your floors durable and water-resistant. I plan to tank the walls too, but want to know if I should treat the breeze block walls with a chemical DPC first?. , 20 mils thick. Use 1000 gauge or thicker – ideal for this is the polyethylene use for the DPM under your concrete subfloor. I have a friend who has a concrete floor in her garage. A damp proof membrane is primarily used on solid material floor constructions and it is designed to act as a waterproof barrier, preventing moisture from travelling into other. g. Whilst scraping them I noticed a bitumen Smell and residue. Once applied via a roller the compound creates a barrier between the concrete and wood flooring. Can be over painted after 16 hours with most types of floor coatings. Our epoxy DPM products create a new damp proof membrane in a highly. RonaScreed DPM is also suitable for use prior to the application of tiles, soft flooring or wood. Barcode 5055047210603. The choice of application method depends on personal preference and the substrate being treated. #3. Discover how and why you should be. 2. Our costs are ballpark averages – get a local tradesperson to quote now. Screwfix Select. By choosing the right product for your application and following the manufacturer’s instructions carefully, you can enjoy peace of mind knowing that your concrete floors will. Also acts as a waterproofer for walls, above ground structures and foundations. Two coats will provide protection up to a maximum hygrometer reading of 95% RH. BAL DPM is resistant to water, chemicals, grease and pollutants, and can be used internally or externally either as a DPM, primer, waterproofer or residual m. 98/3454), high performance, brush applied damp proofing emulsion containing synthetic rubber latex which provides a seamless waterproof and vapour resistant, black elastomeric membrane. How to do Damp Proof Membrane of your sub-floor. Step-by-step guide for how to apply liquid DPM for concrete floors. A range of high quality DPM membranes from Capital Valley Plastics, designed for use with solid concrete slabs. After hardening the ARDEX DPM produces a membrane with high inherent strength and excellent bond strength to appropriate substrates including very damp concrete and screeds. SikaBond® Rapid DPM Solvent Free Resin Primer and Damp Proof Membrane for Cement Based Substrates PRODUCT DESCRIPTION SikaBond® Rapid DPM is a single part moisture curing polyurethane. Groundwater should be tested for any type of sulphate that can contaminate the base flooring and if so, the membrane should be placed under the slab. Capital Valley Plastics Ltd Damp-Proof Course Black 30m x 225mm (85921) (28) compare. All surfaces must be mechanically sound, dry and clean, i. Buildings have been dampproofed for years, a practice that used to be. 5m) It will have 50mm insulation boards on top of it, followed by 18mm/22mm. If this is the case then either a damp proof membrane sheet or a 2 part liquid damp proof membrane should be used over the concrete sub-floor. the DPM and new floor can then go on top of this. I want to avoid digging it up if I can. It has excellent adhesion to damp cementitious surfaces and once dried provides a dry barrier against moisture below. About this product. There should be a damp proof membrane under the concrete slab already, but it might be damaged if there is moisture on the slab. Delta Water Based Epoxy Resin is suitable for all applications where concrete or masonry requires waterproofing and protection. if the lower blocks are concrete then you can use Dryrod Damp-Proofing Rods from Safeguard which will separate the lower blocks from the above creating the. DPM Membranes for Concrete Floors ; Damp Proof Course;. Property is mid 1960s, solid ground floor. Country. Membranes. Still have moisture coming through (I think), and after further reading, 50mm of concrete is required to 'hold it down' and stop penetration. OK stuck - Liquid DPM, concrete floor and a pipe. If you lay a liquid dpm, you need to cover the walls as well, for the same reason. General waterproofing: - for use on concrete,Information Liquid Waterproof Membrane. The principle of tanking is to provide a continuous waterproof barrier or membrane; this is created using either mastic asphalt or proprietary adhesive DPM. Preferred methods of floor construction for such premises are full-thickness trowelled concrete or a topping on a concrete base. Consideration should be given to applying the DPM to the top of the slab, as the installation and moisture sensitive internal finishes are then protected from any residual moisture in the concrete. This Epoxy DPM is a two-component, solvent-free, low odour epoxy resin membrane that is tolerant of residual moisture in concrete floors. I probably would have done the same thing if there was rising damp. 2. Damp proof membranes can be used to help resolve damp issues which already. • Solvent Free, Low Odour. You also mentioned that there are vinyl tiles over the floor. Professional tips: how you should do it. Before applying the damp proof paint, stir the contents of the bucket well. 1. It is laid on top of a subfloor to keep moisture at bay and ensure natural timber. Say on quarry tiles or a rough surface screed/concrete floor ? They used to say 131 primer and then 200 acrylic. Would slurry under vinyl floor covering work the same as liquid DPM? glob@l, May 17, 2019 #1. I would advise a single part flexi tile adhesive on top which will enable you to have stone, ceramic or porcelain tiles fixed. Once painted on, Drybase ECS Epoxy Floor Coating provides resistance to oils and greases. I need it for another job so would this work the same as DPM on a small concrete floor under vinyl? glob@l, May 17, 2019 #3. 5%CM (~ 4% Tramex) for a concrete subfloor indicates that a suitable damp-proof membrane must always be installed – either a 2 coat/2 part liquid layer (e. of the floor. A liquid DPM such as Bostik Cempolatex Moisture Suppressant must be applied in two coats. After moving into a 1960s house we had a flood that started lifting old vinyl tiles under the carpet. • Weatherproof protection for walls, above-ground structures and foundations. Cures in half the time of conventional epoxy based surface damp proof membranes. Resistant to frost and salt attack. 00 Ex VAT. This barrier is intended to stop moisture passing from one to the other. External wet concrete should be allowed to dry thoroughly or sealed with one coat of ARDEX HydrEpoxy WPM 300 as above. Would slurry under vinyl floor covering work the same as liquid DPM? glob@l, May 17, 2019 #1. Use a Vapour Barrier Membrane or Damp Proof Membrane. Suitable as a damp proof membrane on solid concrete floors. You are essentially painting a concrete floor, after all! But it is an effective way to do it. Now, let’s clarify some things concerning product. We have had a damp survey and it is confirmed that there is no issue with rising damp. There is no damp proofing on the floor. As the brick shed was set on a concrete slab. 4M X 5M 500G Clear Heavy Duty Polythene Plastic Building Dust Rubble Sheet DIY. An ARDEX liquid Damp Proof Membrane will protect the floorcovering installation from residual construction moisture and rising damp, where the highest measurable moisture readings are present (up to 98% RH). Drybase ECS Epoxy Floor Coatings for damp proofing floors and walls. • Protects walls and floors from water ingress and dampness. Cement based coating for preventing water and damp penetration in walls and floors. £ 49. Mapelastic AquaDefense provides a thin, continuous barrier to protect adjacent rooms and floors below from water damage. 7 days or sealed. Ready to use. Quarry tiles are installed on the solid concrete slab which is a good. It is available in black or white with a consistency similar to that of thick emulsion paint. Buy great products from our damp proof membrane Category online at Wickes. Ikopro Synthaprufe Trade Damp Proofing Liquid - 25L. The bitumen is less than a millimetre thick - painted on by all accounts. then a liquid membrane goes over this called ardex dpm 1c. Another solution for. I would. Thanks for the response. I'm purchasing a new build and want to put Amtico Spacia down throughout the downstairs. BAL DPM is resistant to water, chemicals, grease and pollutants, and can be used internally or externally either as a. Withstands 98% RH. Apply prior to laying laminate or wooden flooring, over wall-to-floor junctions. Hi, my name is Andy Parkin. Coverage - Typically 10 - 20 m 2 per 5 kg pack (based on two coats). Once applied, it cures to form a flexible and elastic membrane that. Impatience and damp concrete subfloors. In this video I apply a damp proof membrane / tanking slurry to a concrete floor to stop moisture coming in to the building where we have issues with mould a. Suitable for heated concrete and sand cement screeds (provided the surface temperature does not exceed 27°C in. Holds back rising damp where a damp proof membrane is either missing or defective. Hi, We've just finished pulling up old quarry tiles ready to fit new Porcelain tiles throughout! Had to remove quarry's due to levels of external doors, were unsure what the subfloor is beneath the quarry's, I believe the property is prone to rising damp seeping through subfloor as no DPM. The damp surveyor has identified the laminate flooring as a possible cause. Self-leveling concrete can be used as an underlayment for tile, carpet, or other floor coverings. It can also be used on floors tanked with Sovereign Hey’di K11 when a vapour barrier is required. Can damp come up through a concrete floor? The easiest issues to isolate and fix with damp floors are problems with above. Drybase White Liquid Damp Proof Membrane - 5L (0) £55 . #1. Old coal cellar, half is decent concrete but the other half has a bitumen type coating already. Liquid DPM for concrete floor as a rising damp treatment. The floor DPM range manufactured by Capital Valley Plastics is designed for use with solid concrete floors. Also there is less likely to damage the components of the floor makeup at this stage over placing them at foundation stage with regular concrete. A liquid-applied DPM (damp proof membrane) is a simple solution and an excellent way to damp proof a concrete floor. If a concrete floor is being replaced because it is causing damp or other problems, limecrete offers an alternative. I have attached a photo after removal. If the problem is moisture, lift the vinyl and allow the concrete to dry properly. Good afternoon. For further help and advice with damp proofing and Liquid DPM please call our product experts today. Discover important FAQs including what is liquid DPM, what is the best liquid DPM and more. weberfloor DPM is a two-component epoxy based chemical damp proof membrane that is capable of being applied in one coat, dependent upon the condition of the substrate and quality of workmanship to ensure full coverage is achieved at the required thickness. Isolates damp substrates for new floor finishes including carpets and laminated flooring. The concrete slab I poured for my utility room extension is slightly uneven - a small dip into the centre. 21 May 2010. Additionally, it’s important to factor in the load capacity of the. If it’s solid wood you need a surface dpm. I have attached a photo after removal. 14 May 2010. You may need to apply a damp-proof epoxy coating to the concrete before laying a new floor. 99. When using as a liquid DPM make sure the substrate is load-bearing, and that any laitance is removed mechanically (common on new concrete floors/screeds). We have had a full structural survey done which highlighted damp at the ground floor level. Add to basket. 45sqm to supply and fit. If the floor has no dpm, it'll have a damp history. coating to create a key for the screed. DPM Membranes for Concrete Floors ; Damp Proof Course; Damp Proof Paint; Rising Damp Treatment; Water Repellents; Vapour Control Layers; Internal Waterproofing;. ARDEX DPM 1 C R has been specifically developed to provide a DPM or to suppress residual moisture in concrete slabs and cement sand screeds that are dense, well compacted and sound, where readings of up to 98% RH can be accommodated. Damp proof for concrete floor. i try to keep up on new products and a company called ardex uk make a latex based levelling compound called (arditex na)that goes straight over bitumen to seal it. Can be over painted after 16 hours with most types of floor coatings. Drybase Liquid-Applied DPM is a single-component two-coat paintable damp-proof coating that is easily applied to substrates by brush, roller, or spray. uk. The VPU-155 S is a versatile primer easy to apply by either trowel. The only way to tell properly, is to carry out a proper test. Water under tiles. Hardwearing – high abrasion resistance. Suitable for all areas of a home, DPM is available in a choice of fabric and liquid forms. Holds back rising damp where a damp proof membrane is either missing or defective. Laying new floor - needs DPM? dunroving Posts: 1,881 Forumite. View all: Sika Waterproof Sealants. £51. Browse damp-proof membrane products from Toolstation here. 25 Ex VAT. If the coating is not going to be the final decorative surface and a. The membrane can support a 65 mm screed or an insulated floating floor. BAL DPM is resistant to water, chemicals, grease and pollutants, and can be used internally or externally either as a DPM, primer, waterproofer or residual m. The existing concrete floor can be used as a base, however a new damp proof membrane (DPM) will need to be introduced. Hi there. Wait until the first coat of liquid DPM is touch-dry - approximately 15 to 30 minutes at 20°C – before applying the second coat at right angles to the. How To Install Damp Proof Membrane on Concrete Floors. Dampproofing is intended to keep out soil moisture while waterproofing keeps out both moisture and liquid water. Damp Proofing Concrete. Laying a DPM over the floor slab (not sure on the integrity of the one below the slab so just in case. The tiler can then latex or screed over the DPM. Suitable for extensions, basements and cellars. 19. Looking lay a liquid dpm in the cellar floor followed by a self levelling compound as it uneven. Where oil and grease are present it should be treated with a degreasing agent several times to ensure it has been fully lifted. Easy Handling & Installation. It’s primarily designed for brushing onto concrete floors and fine concrete. It is important that concrete and sand/cement screed surfaces are mechanically prepared to produce a clean, sound and dust-free before the application of a WSM. A – Sand/cement screed or concrete floor B – Damp proof membrane C – Prime using UltraTile ProPrimer neat D – Apply adhesive (select upon tile type) E – Install tiles G – Grout all joints. or self level to adhere to. When using as a liquid DPM make sure the substrate is load-bearing, and that any laitance is removed mechanically (common on new concrete floors/screeds). Liquid damp proof membrane can be applied to both floors and walls using various methods such as brush, roller, or spray. USES For priming, consolidating and sealing of: Absorbent and non-absorbent sub-floors, consolidat-ing weak cement screed and isolation of old. 1200 Gauge DPMs should be used when a floor is direct to the ground. One solution is to dig up the floor and replace the existing damp proof membrane with a new plastic membrane then relay the concrete slab. The product can also be used to protect retaining wall structures. DAMP PROOF MEMBRANE A DPM is a continuous and impervious membrane applied above or below ground floor slabs to prevent water ingress into a structure. Once the floor is even it should be completely cleaned.