As an example, a rare book vault built below the water table employed a wallwithinawall arrangement, with a pump system in the channel between the inner and outer walls to augment the positive side membrane. E n g i n e e r s a n d p l a n n e r s waterproofing below grade in high water table conditions icri 20 spring convention. Ccw525 is ideally suited for waterproofing on below grade. Some systems fulfill the requirements of both water. Modern waterproofing systems are extending the life of constructed spaces with smart application, as varsha trehan gives an update on products and market news. Although bentonite is in many household products, it has become one of the more versatile. Belowgrade blindside waterproofing membrane systems. Exploring modes of failure and the negative impact of moisture infiltration into a structure. Standard guide for performance attributes of waterproofing. For rigid, polyethylene, below grade dampproofing and waterproofing materials, compliance should be shown to icces ac114 ref. Fortunately, when it comes to reliable, long term below grade dampproofing and waterproofing solutions, you need.
Colphene 3000 is composed of a proprietary formulation of elastomeric styrenebutadienestyrene sbs polymer modified bitumen. The complete list of belowgrade and plaza waterproofing systems are listed within csi masterformat. For below grade enclosure systems design and materials must not focus on the first. Used for vertical and horizontal waterproofing on structural foundation walls and decks can be used on belowgrade foundation walls, tunnels, balconies, split slabs, plaza decks, parking decks and bridges good for interior applications such as bathrooms, kitchens, mechanical rooms and laboratories mapethene waterproofing system. Positive side systems, used both above and below grade, are generally preferred over negative side. Justin henshell, the manual of belowgrade waterproofing systems. Two critical components of virtually all waterproofing systems are the abilities to protect the waterproofing membrane and channel water away from the structure. When considering below grade waterproofing, you have three several types to consider.
Junction between matslab and vertical element 296 the design of the interface between th e waterproofing systems of belowgrade mat297 slab foundations and those of below grade concrete wall s. This new manual, which is separate from and intended to complement the nrca roofing and waterproofing manual, fifth edition, provides detailed technical information regarding waterproofing and dampproofing buildings and other structures, including belowgrade constructions, vertical applications and plaza decks. Polyguards below grade waterproofing systems include membranes intended for both preapplied and. Its modified polyurethane properties cure to form a strong, flexible membrane for various below grade applications. Belowgrade waterproofing systems and design ce center. Recent developments in belowgrade and plaza waterproofing. Many types of waterproof membrane systems are available, including felt paper or tar.
It begins with a tutorial on basic waterproofing concepts and materials, then moves on to the particulars of designing and installing systems in commercial, industrial, and. Home site map s teps basement waterproofing and deck. This education module describes below grade waterproofing and dampproofing focusing on specifications. Without waterproofing, you could deal with major floor deterioration issues down the road that becomes expensive to fix. Some of the steps for walls below ground are the same as for the walls above ground. Justin henshell is the author of the manual of belowgrade waterproofing 4. However, in the past 50 years, deeper basements were required for belowgrade automobile park ing and airconditioning equipment, which became popular after world war ii.
Colphene 3000 is a selfadhered, sbsmodified bitumen membrane for use in approved waterproofing assemblies. Combination systems for sensitive spaces belowgrade, more sophisticated systems have been used. It is worth doing the parts of the wall that are below ground first as that lets the backfilling and landscaping round the building happ. Below grade waterproofing for commercial construction. The treatment of a surface or structure to prevent the passage of water in the presence of hydrostatic pressure. Soprema products waterproofing below grade sbs modified. As noted in the first section of this arti cle, waterproofing membranes differ from. These below grade areas provide functional spaces for uses such as storage, office space, mechanicalelectrical rooms, parking, tunnels, crawlspaces, etc. Positive side systems, used both above and belowgrade, are. The first guide devoted exclusively to the subject, the manual of belowgrade waterproofing systems picks up where manufacturers\ manuals leave off. The ever evolving technology of waterproofing presents challenges and risks for architects and engineers who do not specialize in the field. Below grade waterproofing waterproofing, typically below grade is critical to the water tightness of the below grade portion of a facility. Examples of common belowgrade waterproofing projects.
Basement waterproofing and deck waterproofing below grade. Fully updated to include new techniques for mold remediation, construction waterproofing handbook simplifies the critical task of keeping a buildings envelope watertight. For rigid, polyethylene, belowgrade dampproofing and waterproofing materials, compliance should be shown to icces ac114 ref. Belowgrade waterproofing this course is for installers as well as for consultants who wish to familiarize themselves with the installation of air barriers or belowgrade membranes as. Understanding below grade waterproofing systems and design. Waterproofing products, all types of below grade and above. Below grade waterproofing belowgrade below ground level waterproofing should be used any time a wall is retaining earth. Understanding below grade waterproofing systems and. The manual of below grade waterproofing systems is an indispensable working resource for architects, civil engineers, contractors, specifiers, materials manufacturers, landscape architects, and all other professionals involved with the design and construction of habitable underground spaces. Below grade waterproofing below grade below ground level waterproofing should be used any time a wall is retaining earth. You also need to focus on a proper drainage system, which comes with distinct options.
The manual of belowgrade waterproofing systems by henshell, justin and a great selection of related books, art and collectibles available now at. Insulfoam and rtech products are designed to insulate the foundation wall or slab and protect the waterproofing or damp proofing, especially during backfilling for both commercial. Waterproofing foundations tunnels planters retaining walls elevator pits. Belowgrade insulfoam manufactures a diverse line of insulfoam and rtechbrand expanded polystyrene eps insulation products for belowgrade applications. The proper drainage composite can protect the waterproofing membrane from accidental punctures that may occur, especially when backfilling. Bentonite clay waterproofing, sheet membranes, liquid applied membranes, below slab vapor barriers, cementitious waterproofing, waterstop. The manual of belowgrade waterproofing systems justin. Belowgrade occupied spaces tradition ally wer e provided to house heating systems and served as storage areas. Since this work is performed early in the project when the foundation structures are completed, it is imperative that it be installed correctly and in a timely fashion. Waterproofing sika solutions for below ground structures sika uk. However, the challenges of many belowgrade situations are often overlooked and underestimated. Construction site dewatering is used to locally control and lower groundwater levels in the vicinity of the excavation. Sodium bentonitebased waterproofing systems have steadily gained in popularity for belowgrade application for both blindside and positiveside construction. Waterproofing is the process of making an object or structure waterproof or water resistant so.
Manual of belowgrade waterproofing systems book, 2000. The complete list of below grade and plaza waterproofing systems are listed within csi masterformat. Belowgrade waterproofing is a critical component of any commercial buildings structure and foundation. A wide variety of issues must be considered in order to make the proper selection basically the dos and donts of belowgrade waterproofing. The manual of belowgrade waterproofing systems october 20. The manual of belowgrade waterproofing 2nd edition. Below grade systems are often inaccessible for repairs and extremely costly if modifications or rectifications are necessary at a future date. Moisture loc specializes in applying below grade waterproofing systems for new commercial buildings across the charlotte nc area. Concrete is then poured, and the waterproofing fuses to the foundation wall as it cures. Manual of belowgrade waterproofing systems by justin henshell, october 20, 1999, wiley edition, in english.
Waterproofing systems polyguard architectual products. The belowgrade sealing of water intrusion at the building enclosure from the subsoils surrounding the structure should occur at an early stage in many construction projects. Aguabase also serves as a cementreinforced flexible base application for the waterproofing of lightweight and cast. Basement waterproofing of new structures excerpts from dr. Are you among those who think that water proofing is just about stopping those pesky drips in the rainy season. Fixit healthy construction booklet construct your ideas, 2012, pp 912 1. Waterproofing of parapet walls, flashings, sealing of joints. The revised edition of the manual of belowgrade waterproofing systems provides the education and product information to enable designers to take a sound, fundamental approach to these contemporary challenges. The manual of below grade waterproofing systems by henshell, justin and a great selection of related books, art and collectibles available now at.
Curtain wall design norme iso 9001 pdf version 2008 guide manual. Selecting the appropriate belowgrade waterproofing solution for your specific project and unique conditions is not always an obvious choice. Requirements for overhead waterproofing in tunnels or building. Bentonite clay waterproofing, sheet membranes, liquid applied membranes, below slab vapor barriers, cementitious waterproofing, waterstop, protection boards, and chemical grouts. Blind side waterproofing incorporates the waterproof membrane on the face of the shoring before the foundation is cast. Many buildings constructed today extend one or several floors below grade level.
Justin henshell author of the manual of belowgrade. Voc compliant and can be applied to damp or green concrete. Justin henshell is the author of the manual of below grade waterproofing 4. Below grade waterproofing coastal construction products. Within the waterproofing industry, belowground waterproofing is generally divided. This new manual, which is separate from and intended to complement the nrca roofing and waterproofing manual, fifth edition, provides detailed technical information regarding waterproofing and dampproofing buildings and other structures, including below grade constructions, vertical applications and plaza decks.
Waterproofing is designed to resist hydrostatic pressure while dampproofing is designed to resist vapor pressure. Yet, the penalties for making mistakes during this critical step in the sealing process can be severe. Advantages ingle part priming agent and waterproofing all in one, s wide range of precoloured choices, strong adhesion strength, flexible, nontoxic. The revised edition of the manual of below grade waterproofing systems provides the education and product information to enable designers to take a sound, fundamental approach to these contemporary challenges. Below grade systems wbdg whole building design guide. We have a wide range of systems for both keeping water in and keeping water out. Furnishing of all labour, materials, services and equipment necessary for the supply and installation of waterproofing systems as described in the boq to concrete. This is typically done to maintain soil conditions needed during, and occasionally after, constructionfor example, to keep soil dry enough for construction loads, installing building materials, or safe working conditions. The consequences of ineffective below grade moisture control clearly make quality waterproofing systems inexpensive by comparison. An overview of waterproofing solutions construction specifier. This education module describes belowgrade waterproofing and dampproofing focusing on specifications.
Nov 26, 2014 combination systems for sensitive spaces below grade, more sophisticated systems have been used. Justin henshell, the manual of below grade waterproofing systems. Junction between matslab and vertical element 296 the design of the interface between th e waterproofing systems of belowgrade mat297 slab foundations and those of below. Waterproofing below grade in high water table conditions. In addition to being crucial to the longterm integrity of the wall, waterproofing will help keep you and your possessions dry, and your walls free of efflorescence and algae. Astm d5898 d5898m 9620 standard guide for standard.
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