This education module describes below grade waterproofing and dampproofing focusing on specifications. Waterproofing below grade in high water table conditions. Waterproofing of parapet walls, flashings, sealing of joints. Two critical components of virtually all waterproofing systems are the abilities to protect the waterproofing membrane and channel water away from the structure. Manual of belowgrade waterproofing systems by justin henshell, october 20, 1999, wiley edition, in english. Waterproofing sika solutions for below ground structures sika uk.
For below grade enclosure systems design and materials must not focus on the first. Justin henshells book, the manual of belowgrade waterproofing systems, is a wellwritten manual on the various types of waterproofing systems, their advantages and disadvantages, and methods of installation. Waterproofing is designed to resist hydrostatic pressure while dampproofing is designed to resist vapor pressure. Below grade waterproofing below grade below ground level waterproofing should be used any time a wall is retaining earth. 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. As noted in the first section of this arti cle, waterproofing membranes differ from. Positive side systems, used both above and belowgrade, are. This education module describes belowgrade waterproofing and dampproofing focusing on specifications. Below grade waterproofing belowgrade below ground level waterproofing should be used any time a wall is retaining earth. Are you among those who think that water proofing is just about stopping those pesky drips in the rainy season. Sodium bentonitebased waterproofing systems have steadily gained in popularity for belowgrade application for both blindside and positiveside construction.
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. The manual of belowgrade 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. 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. The manual of below grade waterproofing systems by henshell, justin and a great selection of related books, art and collectibles available now at.
For rigid, polyethylene, below grade dampproofing and waterproofing materials, compliance should be shown to icces ac114 ref. Within the waterproofing industry, belowground waterproofing is generally divided. Colphene 3000 is composed of a proprietary formulation of elastomeric styrenebutadienestyrene sbs polymer modified bitumen. The proper drainage composite can protect the waterproofing membrane from accidental punctures that may occur, especially when backfilling. 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. Curtain wall design norme iso 9001 pdf version 2008 guide manual. Below grade waterproofing waterproofing, typically below grade is critical to the water tightness of the below grade portion of a facility. Justin henshell is the author of the manual of below grade waterproofing 4. An overview of waterproofing solutions construction specifier. Concrete is then poured, and the waterproofing fuses to the foundation wall as it cures.
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. The consequences of ineffective below grade moisture control clearly make quality waterproofing systems inexpensive by comparison. Many buildings constructed today extend one or several floors below grade level. 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. The complete list of belowgrade and plaza waterproofing systems are listed within csi masterformat. Below grade systems are often inaccessible for repairs and extremely costly if modifications or rectifications are necessary at a future date.
Colphene 3000 is a selfadhered, sbsmodified bitumen membrane for use in approved waterproofing assemblies. Below grade systems wbdg whole building design guide. The first guide devoted exclusively to the subject, the manual of belowgrade waterproofing systems picks up where manufacturers\ manuals leave off. Justin henshell, the manual of below grade waterproofing systems. 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. Furnishing of all labour, materials, services and equipment necessary for the supply and installation of waterproofing systems as described in the boq to concrete. Belowgrade occupied spaces tradition ally wer e provided to house heating systems and served as storage areas. 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. Without waterproofing, you could deal with major floor deterioration issues down the road that becomes expensive to fix. Yet, the penalties for making mistakes during this critical step in the sealing process can be severe. Fully updated to include new techniques for mold remediation, construction waterproofing handbook simplifies the critical task of keeping a buildings envelope watertight.
We have a wide range of systems for both keeping water in and keeping water out. 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. Basement waterproofing and deck waterproofing below grade. The treatment of a surface or structure to prevent the passage of water in the presence of hydrostatic pressure. Justin henshell is the author of the manual of belowgrade waterproofing 4. 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. Understanding below grade waterproofing systems and. Requirements for overhead waterproofing in tunnels or building. Below grade waterproofing for commercial construction. Standard guide for performance attributes of waterproofing. Home site map s teps basement waterproofing and deck.
The manual of belowgrade waterproofing systems by henshell, justin and a great selection of related books, art and collectibles available now at. Counterthrust waterproofing watstop below grade concrete waterproofing bentotelo diajoint restoration of old bituminous membranes oriplast oriplast reflex waterproofing of wet areas bathroom and kitchen acriflex mono to protect to solve to waterproof an appropriate waterproofing will allow your building to live longer without maintenance. The manual of belowgrade waterproofing 2nd edition. Examples of common belowgrade waterproofing projects. Recent developments in belowgrade and plaza waterproofing. Its modified polyurethane properties cure to form a strong, flexible membrane for various below grade applications. When considering below grade waterproofing, you have three several types to consider. Aguabase also serves as a cementreinforced flexible base application for the waterproofing of lightweight and cast. 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. The manual of belowgrade waterproofing systems october 20. Combination systems for sensitive spaces belowgrade, more sophisticated systems have been used.
Astm d5898 d5898m 9620 standard guide for standard. The 2016 revised edition provides the education and product information to enable building designers to take a sound, fundamental. Belowgrade blindside waterproofing membrane systems. Some of the steps for walls below ground are the same as for the walls above ground. Although bentonite is in many household products, it has become one of the more versatile. This section includes but is not limited to the installation of a reinforced 2ply cold fluidapplied rubber modified waterproofing with all the materials, labor and supervision necessary to provide a continuous waterproofing system below grade. These below grade areas provide functional spaces for uses such as storage, office space, mechanicalelectrical rooms, parking, tunnels, crawlspaces, etc. Belowgrade waterproofing is a critical component of any commercial buildings structure and foundation. Belowgrade insulfoam manufactures a diverse line of insulfoam and rtechbrand expanded polystyrene eps insulation products for belowgrade applications.
Many types of waterproof membrane systems are available, including felt paper or tar. While below grade areas in buildings provide important critical functions for the building, the subject of below grade building enclosure systems, although. Fixit healthy construction booklet construct your ideas, 2012, pp 912 1. Understanding below grade waterproofing systems and design. Soprema products waterproofing below grade sbs modified. Waterproofing is the process of making an object or structure waterproof or water resistant so. 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. Manual of below grade waterproofing systems by justin henshell, october 20, 1999, wiley edition, in english. 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. 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. 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.
Manual of belowgrade waterproofing systems book, 2000. 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. Waterproofing systems polyguard architectual products. Blind side waterproofing incorporates the waterproof membrane on the face of the shoring before the foundation is cast. Justin henshell, the manual of belowgrade waterproofing systems.
Justin henshell author of the manual of belowgrade. Moisture loc specializes in applying below grade waterproofing systems for new commercial buildings across the charlotte nc area. The manual of belowgrade waterproofing systems justin. Belowgrade waterproofing systems and design ce center. The complete list of below grade and plaza waterproofing systems are listed within csi masterformat. Bentonite clay waterproofing, sheet membranes, liquid applied membranes, below slab vapor barriers, cementitious waterproofing, waterstop, protection boards, and chemical grouts. However, the challenges of many belowgrade situations are often overlooked and underestimated. Waterproofing foundations tunnels planters retaining walls elevator pits. Basement waterproofing of new structures excerpts from dr. Modern waterproofing systems are extending the life of constructed spaces with smart application, as varsha trehan gives an update on products and market news. 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. Below grade waterproofing coastal construction products. Bentonite clay waterproofing, sheet membranes, liquid applied membranes, below slab vapor barriers, cementitious waterproofing, waterstop.
Some systems fulfill the requirements of both water. Exploring modes of failure and the negative impact of moisture infiltration into a structure. Nov 26, 2014 combination systems for sensitive spaces below grade, more sophisticated systems have been used. Construction site dewatering is used to locally control and lower groundwater levels in the vicinity of the excavation. Selecting the appropriate belowgrade waterproofing solution for your specific project and unique conditions is not always an obvious choice. Advantages ingle part priming agent and waterproofing all in one, s wide range of precoloured choices, strong adhesion strength, flexible, nontoxic. Fortunately, when it comes to reliable, long term below grade dampproofing and waterproofing solutions, you need. For rigid, polyethylene, belowgrade dampproofing and waterproofing materials, compliance should be shown to icces ac114 ref. Below grade waterproofing this course is for installers as well as for consultants who wish to familiarize themselves with the installation of air barriers or below grade membranes as part of the building envelope. Positive side systems, used both above and below grade, are generally preferred over negative side. Voc compliant and can be applied to damp or green concrete. Polyguards below grade waterproofing systems include membranes intended for both preapplied and. Waterproofing products, all types of below grade and above.
A wide variety of issues must be considered in order to make the proper selection basically the dos and donts of belowgrade waterproofing. The ever evolving technology of waterproofing presents challenges and risks for architects and engineers who do not specialize in the field. Ccw525 is ideally suited for waterproofing on below grade. You also need to focus on a proper drainage system, which comes with distinct options.
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