To prepare the substrate, RIW Cementfill HB was applied. Cementflex NBS Clause. Technical number: 01753 944200. Other uses. 397788 Cementseal 2 x 1mm coatings onto prepared surface Cementjoint fully embedded in 2mm Cementseal Cementfill HB Fillet (25 x 25) 20mm 20mm Cementseal 2 x 1mm coatings onto prepared surface. Structural Waterproofing, Basement Tanking & Damp Proof Membranes. Technical number: 01753 944200. Sales number: 01753 944210. If existing surfaces are very rough, they. A single component cementitious high build mortar, which incorporates the most advanced cement chemistry, microsilica, fibre and styrene acrylic copolymer technology. About Us;. Concrete surfaces: The strength of the concrete sub base must be a minimum of 20N/mm2. Gas Seal Black; Gas Seal HC; Liquid GM; Sheetseal GR; Structureseal GPT; Resources + Technical Downloads. Cementfill HB- Cement based waterproof high build repair mortar for profiling and providing fillets. Cementfill HB - Cement based waterproof high build repair mortar for profiling and providing fillets. Cementflex NBS Clause. Members; 2. Double Drain can also be used to provide excellent. Home / Waterproofing by Application. DPM Blue; DPM Red; Sheetseal 226RIW produce a range of ancillary products for use with Sheetseal GR which include: Cementfill FC - Cement based waterproof fairing coat and repair mortar for filling minor holes, voids and defects. Betec Flex Part B 25kg. The above performance figures are typical values and should not be considered a product specification. Gas Seal GR DPC - Gas resistant damp proof course/Gas/Radon Resistant. Waterproofing Membranes & Waterstops. RIW Cementseal Primer Data Sheet. - Blow holes, cavities, cracks, etc : Remove loose material and fill flush using RIW Cementfill FC in accordance with RIW Limited’s recommendations. Damaged areas should be first repaired as necessary, using Cementfill HB. Cementflex NBS Clause. Sales number: 01753 944210. pdf. Sales number: 01753 944210. 3. BENEFITS l Totally waterproof l Resists up to 100m head of positive and negative water pressure l Applied to damp surfaces l 5-80mm build up in horizontal, vertical and overhead applications l Excellent low. Technical number: 01753 944200. RIW Limited 487-488 Ipswich Road, Slough, SL1 4EP Technical enquires tel: 01753 944200 Commercial enquires tel: 01753 944210 Cementfill HB . GM Reinforcing Scrim – a material for embedding in• RIW Cementfill HB — a cement-based waterproof high-build repair mortar for profiling and providing fillets • RIW Double Drain — a drainage board for protecting the membrane during backfilling operations, and also promoting drainage of water away from the structureRIW Cementfill HB 20kg. Tilesafe. RIW’s technical seminar programme provides step-by-step guidance on a range of waterproofing issues. Joint Sealants & Adhesives. May also be used as a curing membrane. RIW Cementfill HB – a waterproof high build repair mortar for profiling and providing fillets. RIW Cementfill HB – a waterproof high build repair. POA . Cementfill FC - Cement based waterproof fairing coat and repair mortar for filling minor holes, voids and defects. RIW Cementfill HB – a waterproof high build repair mortar for profiling and providing fillets. com. RIW Cementfill HB. RIW Sheetseal 226 uses Commonly used as a basement tanking system, but can also be used as a damp proof membrane on ground floors. RIW Cementseal Primer – a ‘primer’ for use on all horizontal and porous surfaces. Gas. GM Reinforcing Scrim – a material for embedding inRIW has a broad range of high performance structural waterproofing products. Technical number: 01753 944200. Totally waterproof. RIW Cementfill HB – a waterproof high build repair mortar for profiling and providing fillets. 30 . RIW has a broad range of high performance structural waterproofing products. RIW has a broad range of high performance structural waterproofing products. RIW Cementfill FC – a waterproof fairing coat and repair mortar for filling minor holes, voids and defects. £120. RIW Cementseal Primer Data Sheet. PRIMING RIW Cementfill FC – a waterproof fairing coat and repair mortar for filling minor holes, voids and defects. Cementfill HB is used for the structural repair rendering and profiling of vertical, horizontal and overhead surfaces. RIW Cementfill HB Data Sheet. ANCILLARY PRODUCTS Cementfill FC – Cement based waterproof fairing coat and repair mortar for filling minor holes, voids and defects. 3. About Us;. RIW has a broad range of high performance structural waterproofing products - from basement tanking, waterproofing membranes and damp proof membranes to gas proofing products. Search. RIW in the UK has over 90 years experience in structural waterproofing. 5 to 80mm build up in horizontal, vertical and. Cementflex NBS Clause. Cementfill HB NBS Clause. nbs. Gas Seal Black; Gas Seal HC; Liquid GM; Sheetseal GR; Structureseal GPT; Resources + Technical Downloads. Applied to damp surfaces. Cementfill HB Fillet Sub-soil drainage as required Detail 2 - Internal Tanking LAC (two coats) Reinforcing strip of Sheetseal 226 x 300 wide Sheetseal 9000 DPC / cavity tray Detail 3 - Ground Floor DPM. 01753 944200. This results in a rapid hardening, low density, high strength mortar with enhanced polymer properties. phrases % portland cement 25 65997-15-1 xi r36/37/38-41. RIW REPEL AC The product may also be mixed. hazardous components of mixture substances presenting a health hazard within the meaning of the chemicals (hazard information & packaging) regulations 1994. Cementflex NBS Clause. RIW Cementfill FC – a waterproof fairing coat and repair mortar for filling minor holes, voids and defects. RIW Cementfill HB - Cement based waterproof high build repair mortar for profiling and providing fillets. Sales number: 01753 944210. Features & Benefits of Cementflex. Cementflex is a two component, polymer modified, flexible, cement based, waterproof coating for concrete and masonry. Technical number: 01753 944200. Krystol Waterstop Treatment is used in conjunction with Krystol Waterstop Grout and/or Krytonite, as part of the Krystol Waterstop System, wherever water penetration through static concrete-to-concrete joints is a concern, including construction joints. RIW produce a range of ancillary products for use with Flexiseal Pro which include: Cementfill FC - Cement based waterproof fairing coat and repair mortar for filling minor holes, voids and defects. doc. About Us;. Technical Hotline 01753 944200. About Us;. RIW Cementfill FC – a waterproof fairing coat and repair mortar for filling minor holes, voids and defects. SKU: 014cfhb. RIW Cementfill WP – a rapid setting waterproof mortar plugging and sealing compound for arresting water ingress. A single component cementitious high build mortar, which incorporates the most advanced cement chemistry, microsilica, fibre and styrene acrylic copolymer technology. RIW Limited 487-488 Ipswich Road, Slough, SL1 4EP Technical enquires tel: 01753 944200 Commercial enquires tel: 01753 944210 has a broad range of high performance structural waterproofing products. The project included multiple pedestrian walkways and landscape features above the car parking areas of this large complex. Range of cold applied, self adhesive. All suface laitance should be removed, preferably using wet grit, power washing techniques or other equivalent approved methods. More Info. RIW Cementfill HB 20kg. Solvent free. Concrete surfaces: The strength of the concrete sub base must be a minimum of 20N/mm2. Cementflex NBS Clause. BENEFITS l Totally waterproof l Resists up to 100m head of positive & negative water pressure l Tough & flexible to accommodate differential movement l Seamless & fully bonded l Applied to. Double Drain - a drainage board which protects theRIW LTD 580 / 581 Ipswich Road, Slough, Berkshire, SL1 4EQ, UK T: +44 (0) 1753 944200 E: technical@riw. pdf; ESD04 floor wall detail bent. About Us;. DPM’s can be applied to either a suitable blinding layer under the slab or internally to the top of the slab. EN. RIW Solaflect -a solar reflective coating which offers protection against infra red and ultra violet attack. More Info. freephone: 0800 047 6775 menu menuCementfill FC is a single component, thixotropic, polymer modified, cement based waterproof repair mortar with high adhesive properties. The above performance figures are typical values and should not be con-RIW Limited sidered a product specification. Technical number: 01753 944200. About Us;. RIW produce a range of ancillary products for use with Sheetseal GR which include: Cementfill FC - Cement based waterproof fairing coat and repair mortar for filling minor holes, voids and defects. Tough with good abrasion and impact resistant. RIW Cementfill FC – a waterproof fairing coat and repair mortar for filling minor holes, voids and defects. RIW produce a range of ancillary products for use with Sheetseal 226 which include: Cementfill FC - Cement based waterproof fairing coat and repair mortar for filling minor holes, voids and defects. RIW RIW Cementflex - 15KG. Cementflex NBS Clause. 84 (inc. Technical number: 01753 944200. 2. Cementflex NBS Clause. RIW Limited 580-581 Ipswich Road, Slough, SL1 4EQ Technical enquires tel: 01753 944200 Commercial enquires tel: 01753 944210 Cementfill HB - Cement based waterproof high build repair mortar for profiling and providing fillets. Cementfill HB is used for the structural repair rendering and profiling of vertical, horizontal and overhead surfaces. Sales number: 01753 944210. RIW Cementflex Part A SDS. About Us;. Other uses. Cementfill FC; Cementfill HB; Cementflex; Cementseal; Gas Proofing Systems. About Us;. Cementflex NBS Clause. RIW Cementfill HB. pdf. About Us;. BENEFITS l Totally waterproof l Resists up to 100m head of positive and negative water pressure l Applied to damp surfaces l 5-80mm build up in horizontal, vertical and overhead applications l Excellent low. All you need to do is answer a few basic application questions and we'll do the rest. Suitable for most commonly used backgrounds. RIW Download Sponsored RIW Waterstop . RIW Sheetseal 226 uses Commonly used as a basement tanking system, but can also be used as a damp proof membrane on ground floors. CEMENTFLEX 40 l Specification Guide for RIW Waterproofing Systems RIW CEMENTFLEX RIW CEMENTFILL FC, RIW CEMENTFILL HB, RIW CEMENTFILL WP CEMENTFILL HB: TYPICAL USES Cementfill HB is a structural grade, high build mortar; used for structural repairs, rendering and profiling of vertical, horizontal and overhead surfaces, when necessary. The thixotropic, shrinkage compensated nature of the product enables. Gas Seal Black; Gas Seal HC; Liquid GM; Sheetseal GR; Structureseal GPT; Resources + Technical Downloads. About Us;. RIW Cementfill FC – a waterproof fairing coat and repair mortar for filling minor holes, voids and defects. Request a quote and read reviews, complaints, request a quote & more about this. Cementflex NBS Clause. RIW CEMENTFILL HB Cementfill HB is a thixotropic, polymer modified, cement based, waterproof, rapid hardening, high build repair mortar. SKU: 014cfhb. TankingCEMENT BASED SYSTEMS RIW CEMENTSEAL RIW CEMENTFLEX RIW CEMENTFILL FC RIW CEMENTFILL HB RIW CEMENTFILL WP SPECIFIC USES RIW CEMENTJOINT Granules are used loose to fill cavities and voids in the substrate, or to detail critical areas that may require additional protection. RIW produce a range of ancillary products for use with Sheetseal GR which include: Cementfill FC - Cement based waterproof fairing coat and repair mortar for filling minor holes, voids and defects. Other uses. About Us;. RIW Download Sponsored RIW Flexiseal Pro . Technical number: 01753 944200 Sales number: 01753 944210RIW produce a range of ancillary products for use with Cementseal which include: RIW Cementseal Primer – a ‘primer’ for use on all horizontal and porous surfaces. Cementflex NBS Clause. Download full PDF. All suface laitance should be removed, preferably using wet grit, power washing techniques or other equivalent approved methods. Contact us: 01344 397777 technical@riw. Gas. RIW has over 90 years experience in structural waterproofing within the UK. - Fill : Repoint with RIW Cementfill HB in accordance with RIW Limited’s recommendations. RIW has a broad range of high performance structural waterproofing products. Gas Seal Black Data Sheet. All our gas proofing products. Label elements Precautionary Statement: Prevention P261 - Avoid breathing dust/fume/gas/mist/vapours/spray. Match case Limit results 1 per page. RIW Cementfill FC – a waterproof fairing coat and repair mortar for filling minor holes, voids and defects. Please consult RIW for further information. Any remaining areas were stopped by the application of a plugging compound, RIW Cementfill WP. nbs. doc. RIW Ltd Arc House Terrace Road South Binfield Bracknell Berkshire RG42 4PZ Tel: 01344 397777 Fax: 01344 862010 e-mail: [email protected] Cementfill HB is a single component cement based mortar which incorporates the most advanced cement chemistry, microsilica, fibre and styrene acrylic copolymer. Features and benefits: A rapid hardening, low density, high strength mortar with enhanced polymer properties. RIW Cementseal Primer – a ‘primer’ for use on all horizontal and porous surfaces. RIW has a broad range of high performance structural waterproofing products. Double Drain - a drainage board which protects the membrane during backfilling operations, and also promotes The above performance figures are typical values and should not be considered a product specification. Cementfill FC; Cementfill HB; Cementflex; Cementseal; Gas Proofing Systems. pdf. Compare this product to another (up to 4 items) Quantity (Roll). Cementflex NBS Clause. pdf. RIW Cementfill FC. About Us;. Sheetseal 226 - a self-adhesive, flexible sheet membrane for reinforcing areas subject to movement. Cementfill HB is a Single component, thixotropic, polymer modified Cement based rapid hardening waterproof high build repair mortar. The thixotropic, shrinkage compensated nature of the product enables. Cementflex NBS Clause. Phone: 01753 944200 or Email: technical@riw. co. RIW Cementfill HB– Cement based waterproof high build repair mortar for profiling and providing fillets. Cementfill FC; Cementfill HB; Cementflex; Cementseal; Gas Proofing Systems. doc. The coating is a solution of natural and petroleum bitumens in white spirit. RIW Cementfill HB – a waterproof high build repair mortar for profiling and providing fillets. RIW Cementfill HB – a waterproof high build repair mortar for profiling and. Cementflex NBS Clause. Other uses. Description. Sales number: 01753 944210. button. Technical number: 01753 944200. Enquire Now. Linkedin. doc. RIW produce a range of ancillary products for use with Sheetseal GR which include: Cementfill FC - Cement based waterproof fairing coat and repair mortar for filling minor holes, voids and defects. Sales number: 01753 944210. RIW Cementfill HB. RIW Cementflex Data Sheet. RIW Cementfill HB Liquid Waterproofing Membranes Rapid Hardening Waterproof Repair Mortar Data Sheet Cementfill HB is used for the structural repair rendering and profiling. Other uses. RIW has a broad range of high performance structural waterproofing products. Double Drain - a drainage board which protects the membrane during backfilling operations, and also promotes The above performance figures are typical values and should not be considered a product specification. RIW produce a range of ancillary products for use with Sheetseal 226 which include: Cementfill FC - Cement based waterproof fairing coat and repair mortar for filling minor holes, voids and defects. Quick and suitable for horizontal, vertical and overhead applications. Radon is a naturally occurring radioactive gas that is found within certain areas of the country and maps are available in BRE Digest 211 ; RADON. RIW Cementfill HB SDS. Waterproofing above ground level;RIW has a broad range of high performance structural waterproofing products. The product is highly polymer modified and as a result concrete surfaces do not generally require a primer. Report. pdf. Cementfill FC; Cementfill HB; Cementflex; Cementseal; Gas Proofing Systems. A brief introduction to RIW's key people. Along with soil types and water table levels, ground contaminates and gases such as Radon & Methane must be considered when deciding upon a waterproofing design. Cementfill HB - Cement based waterproof high build repair mortar for profiling and providing fillets. RIW Cementfill HB – a waterproof high build repair mortar for profiling and providing fillets. Double Drain - a drainage board which protects theRIW has a broad range of high performance structural waterproofing products. RIW Cementflex. pdf. Technical number: 01753 944200. Cementfill HB NBS Clause. nbs. Technical number: 01753 944200. Specification Guide 2014 RIW Cementfill HB Waterproof Repair Mortar 20kg pack | £ 174. Gas Seal Ancillaries Data Sheet. RIW Cementflex Data Sheet. above external finishes Contig. pdf; ESD04 floor wall detail bent. Excellent tensile adhesion to substrate. About Us;. Gas. Now incorporating a wide range of diverse. Cementfill HB is a Single component, thixotropic, polymer modified Cement based rapid hardening waterproof high build repair mortar. P305+P351+P338 - IF IN EYES: Rinse cautiously with water for several minutes. co. A full list of data sheets, including liquid applied systems, DPC & Cavity Trays and many more PDFs - available to view online or download. Therefore, these drawings are for general guidance only, and further advice should be sought when necessary from our Technical team. A single component, thixotropic, polymer modified cement based rapid hardening waterproof high build repair mortar. PRIMINGCCL installed RIW Cementseal cementitious waterproof coating to pile heads, top of concrete ground beams and secant piles whilst RIW Cementfill FC was used to repair and make good the side of piles, prior to the application of RIW Cementseal coating. The product is a single component system which incorporates the most advanced microsilica, polymer and. RIW Cementfill HB is a polymer-modified high-build repair mortar manufactured by RIW. RIW has a broad range of high performance structural waterproofing products. nbs. About Us;. A full list of data sheets, including liquid applied systems, DPC & Cavity Trays and many more PDFs - available to view online or download. Cementfill HB - Cement based waterproof high build repair mortar for profiling and providing fillets. 2. A full list of data sheets, including liquid applied systems, DPC & Cavity Trays and many more PDFs - available to view online or download. The RIW Technical Department is available to advise on individual projects and to prepare and assist in the preparation and specifications and drawings. pdf. Customer Sales 01753 944210. Cementfill HB NBS Clause. SKU: 014cfhb. The product is resistant to salts and most chemical attack, and having good UV resistance, is suitable for use in exposed exterior applications. Double Drain - a drainage board which. Gas Proofing Systems [{product. doc. above external finishes 150mm min. doc. dust, oil, grease, corrosion by-products and organic growth. Gas Seal Black; Gas Seal HC; Liquid GM; Sheetseal GR; Structureseal GPT; Resources + Technical Downloads. Pile RC Slab SECTION 150mm min. 3. RIW CEMENTFILL HB Cementfill HB is a thixotropic, polymer modified, cement based, waterproof, rapid hardening, high build repair mortar. Sales number: 01753 944210. Sheetseal 9000 DPC; Sheet Applied Systems. RIW Structureseal is often used to waterproof lift pit; see how straightforward the application can be. It will take under 30 minutes, and we'll send you a certificate upon completion. RIW CEMENTFILL HB Cementfill HB is a thixotropic, polymer modified, cement based, waterproof, rapid hardening, high build repair mortar. pdf. RIW Cementfill FC Data Sheet. Garden Blend. BENEFITS l Totally waterproof l Resists up to 100m head of positive and negative water pressure l Seamless and fully bonded l Applied to damp surfaces l Abrasion and. About Us;. RIW Cementfill HB 20kg. Cementflex NBS Clause. Will it be sufficient to put in the RIW Cementfill HB, or should I also be doing bitumen? Link to comment Share on other sites. Sales number: 01753 944210. POA . Other uses. Sales number: 01753 944210. Sheetseal 226 - a self-adhesive, flexible sheet membrane. Cementfill HB is a single component, thixotropic, polymer modified cement based rapid hardening waterproof high build repair mortar Technical number: 01753 944200 Sales number: 01753 944210 Cement Based Waterproof Repair Mortar. Gas Seal Black; Gas Seal HC; Liquid GM; Sheetseal GR; Structureseal GPT; Resources + Technical Downloads. nbs. nbs. 0 company wide current stock level. uk. outside, using Cementfill HB, covered in a “mushroom” of Sealing Compound, either prior to backfilling (pre-fix/ peel-adhered application), where additional ‘patching’ will be required, using a 200 x 200mm patch. Roofing System -Liquid Plastic - Free download as PDF File (. RIW Download Sponsored RIW Cavitydrain R7 . Other uses. Other uses. Enquire Now. Resists up to 100m head of positive and negative water pressure. Cementflex NBS Clause. Sheetseal 226 - a self-adhesive, flexible sheet membrane. Cleaning Solvent - a liquid for cleaning tools,A full list of data sheets, including liquid applied systems, DPC & Cavity Trays and many more PDFs - available to view online or download. Cementfill HB - Cement based waterproof high build repair mortar for profiling and providing fillets. TankingRIW produce a range of ancillary products for use with Sheetseal 226 which include: Cementfill FC - Cement based waterproof fairing coat and repair mortar for filling minor holes, voids and defects. Cementfill HB - Cement based waterproof high build repair mortar for profiling and providing fillets. RIW CEMENTSEAL Cementseal is a two component, polymer modified, cement based, waterproof coating for concrete and masonry. About Us;. RIW Cementseal Data Sheet. RIW Cementfill HB – a waterproof high build repair mortar for profiling and providing fillets. Cementfill FC; Cementfill HB; Cementflex; Cementseal; Gas Proofing Systems. Cementfill HB - Cement based waterproof high build repair mortar for profiling and providing fillets. Flexiseal 500 HG Cementfill FC Cementfill HB Cementflex Cementjoint Cementseal DPM Blue DPM Red Flexiseal Pro FWM Gas Seal Black Gas Seal HC. Technical number: 01753 944200. RIW Arc House, Terrace Road South, Binfield, Bracknell, Berkshire, RG42 4PZ Technical enquires tel: 01344 397777 Commercial enquires tel: 01344. RIW Limited 487 / 488 Ipswich Road Slough SL1 4EP. Resists up to 100m head of positive and negative water pressure. l Totally waterproofl Resists up to 100m head of positive & negative water pressure l Tough & flexible to accommodate differential movementl Seamless & fully bondedl Applied to damp surfaces. RIW Cementfill HB – a waterproof high build repair mortar for profiling and providing fillets. Your product has been. RIW has been a generic term for waterproofing products for over 90 years; our name even stands for ‘Remember It’s Waterproof’, taken from an old ad slogan in 1921. dust, oil, grease, corrosion by-products and organic growth. Technical number: 01753 944200. RIW has a broad range of high performance structural waterproofing products. Technical number: 01753 944200. Sheet. Sales number: 01753 944210. Contact us: 01344 397777 technical@riw. Sheetseal 9000 DPC - a range of high performance polymeric dpc’s, and pre-formed cavity trays, compatible for use with all RIW membranes. The Challenge. TankingCementfill HB Fillet Sub-soil drainage as required Detail 2 - Internal Tanking LAC (two coats) Reinforcing strip of Sheetseal 226 x 300 wide Sheetseal 9000 DPC / cavity tray Detail 3 - Ground Floor DPM. RIW Cementfill HB – a waterproof high build repair mortar for profiling and providing fillets. Title: RIW-TD-801 Created Date:A single component cementitious high build mortar, which incorporates the most advanced cement chemistry, microsilica, fibre and styrene acrylic copolymer technology. The strength of the concrete sub-base should be a minimum of 20 N/ mm². Union North Liverpool consulted RIW in 2010 when redeveloping a number of 1950s tower blocks in Leeds Technical number: 01753 944200. Product name RIW 32: RIW Cementfill HB CLP 1. Match case Limit results 1 per page. Cementfill HB is used for the structural repair rendering and profiling of vertical, horizontal and overhead surfaces. Technical number: 01753 944200. Krystol Waterstop Treatment™. RIW Cementfill HB. Specification Guide: RIW WATERPROOFING SYSTEMS; of 31 /31. Sales number: 01753 944210. Details of the supplier of the safety data sheet Company RIW Limited Address Arc House Terrace Road South Binfield, Bracknell Berkshire RG42 4PZ Web. RIW has over 90 years experience in structural waterproofing within the UK. Technical number: 01753 944200. RIW Cementfill FC 20kg. BENEFITS l Totally waterproof l Resists up to 100m head of positive and negative water pressure l Applied to damp surfaces l 5-80mm build up in horizontal, vertical and overhead applications l Excellent low. RIW Cementfill HB advantages. 580-581 Ipswich Road. Gas. Product name RIW 32: RIW Cementfill HB CLP 1. co. doc. Backfill material shall be of compactable soils, which are free of construction debris. RIW Cementfill HB 20kg. Cementfill FC; Cementfill HB; Cementflex; Cementseal; Gas Proofing Systems. RIW Cementflex Data Sheet. Gas Seal Black; Gas Seal HC; Liquid GM; Sheetseal GR; Structureseal GPT; Resources +. RIW has a broad range of high performance structural waterproofing products - from basement tanking, waterproofing membranes and damp proof membranes to gas proofing products. EN. Cementfill FC. Technical Hotline 01753 944200. Totally waterproof. Technical Hotline 01753 944200. About Us;. 3. RIW Cementfill HB – a waterproof high build repairAsk the experts at RIW for advice on a simple solution to waterproofing lift pits. Gas Seal Ancillaries Data Sheet. Precon Products, A leading national independent supplier of construction productsStructural Waterproofing, Basement Tanking & Damp Proof Membranes. Newly laid concrete should have a clean textured surface with 45º fillets at internal angles.