Justin henshell is the author of the manual of belowgrade waterproofing 4. Understanding below grade waterproofing systems and. Roof failure causes in depth and specific methods for avoiding them. Europe on roofing, waterproofing, flashing, and masonry. Colphene 3000 is composed of a proprietary formulation of elastomeric styrenebutadienestyrene sbs polymer modified bitumen.
Study guide for the registered waterproofing consultant. Colphene 3000 is a selfadhered, sbsmodified bitumen membrane for use in approved waterproofing assemblies. Belowgrade and abovegrade options help meet your multifamily needs. Dowsil 790 silicone building sealant should not be applied. You can read the property care associations best practice for type c waterproofing by clicking the button below. Product information silicone sealants dow corning 790. On brass or copper or other similar material that can be corroded. 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.
For protecting walls against earth, thome waterproofing offers below grade waterproofing services. It is recommended that, once the design team has given the system some thought, an appropriate specialist should be contacted immediately for early advice and help on the waterproofing design. In recent years expensive remedial work to correct failures in belowgrade waterproofing systems has motivated owners and designers to seek high performance and reliable waterproofing solutions to prevent water read more. Principles of design and installation of below grade and. Belowgrade waterproofing shop drawings are crucial and effective tools with the potential to solve a lot of issues and pay enormous dividends for all participants.
When mixed with water and portland cement, and fully reinforced with polyester fabric, it creates a solid, yet flexible cementitious slurry ideal. Any claims concerning this product must be received in writing within one 1. 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. Tamko offers waterproofing solutions for applications ranging from foundations, windows and doors to specialty roofing.
To surfaces that are continuously immersed in water. 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 2nd edition justin henshell 2016 the references listed above are only some of the many that were used in the development of this exam. The ever evolving technology of waterproofing presents challenges and risks for architects and engineers who do not specialize in the field. A standard guide that oulines the minimum level of acceptable. Photo courtesy of carlisle coatings and waterproofing. An extremely flexible waterproofing membrane to handle movement and minor cracking. The treatment of a surface or structure to prevent the passage of water in the presence of hydrostatic pressure. Below grade systems are often inaccessible for repairs and extremely costly if repairs or modifications are necessary. Waterproofing details design under constrained conditions samuel vesely, b. Manual of belowgrade waterproofing systems and is considered the industry standard for this construction subject. 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. Justin henshell author of the manual of belowgrade. Pdf a presentation for the rci region 6 winter symposium was held in honolulu.
Sodium bentonitebased waterproofing systems have steadily gained in popularity for belowgrade application for both blindside and positiveside construction. The manual of belowgrade waterproofing the institution. Coatings plus is the areas top dealer for waterproofing and coating solutions, specifically belowgrade waterproofing products and systems. The manual of belowgrade waterproofing 2nd edition. He has been practicing architecture since 1952 and has specialized in moisturerelated problems in the building envelope nationwide since 1974.
As noted in the first section of this arti cle, waterproofing membranes differ from. Exteriorgrade plywood for interior residential floors. The manual of belowgrade waterproofing systems justin. In totally confined spaces because the sealant requires atmospheric moisture for cure.
Remember, you only have the opportunity to do this once. Below grade or to materials that outgas, which can cause bubbling in curing sealant. To surfaces that will be painted after application. Preapplied fpo waterproofing membrane for below ground concrete structures. Water can be destructive to a building which is why its important to keep it out. Basement waterproofing and deck waterproofing below grade. When selecting a waterproofing system, conservatism is the watchword. The 2016 revised edition provides the education and product information to enable building designers to take a sound, fundamental approach to belowgrade and plaza waterproofing. Proper research and due diligence is required to ensure that all waterproofing issues are properly addressed. Ecoline and carlisle coatings are two of the many brands thome waterproofing uses to accomplish below grade waterproofing projects. Vfi608 below grade waterproofing system is designed for. Interior or exterior, above or below grade, unprotected structures suffer from water. 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. The components above a waterproofing membrane should all be compatible.
Manual of belowgrade waterproofing systems by justin henshell, october 20, 1999, wiley edition, in english. 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. Type c waterproofing systems are ideal for achieveing grade 3 levels of waterproofing. Colphene 3000 is designed for waterproofing foundations, belowgrade. The manual of belowgrade waterproofing systems justin henshell, c. Considerations for selecting a belowgrade waterproofing. The term basement waterproofing is intended to encompass the topic of moisture protection and protection from all undesirable liquids and gases as applied to a variety of existing belowgrade structures. Dowsil 790 silicone building sealant dow chemical company. Can be used on belowgrade foundation walls, tunnels, balconies, split slabs, plaza decks, parking decks and bridges. The professionals at coatings plus rely on their years of experience to help customers find the right belowgrade waterproofing product or. This is meant to serve as a guide to illustrate the types of references used. The manual of belowgrade waterproofing systems by henshell, justin and a great selection of related books, art and collectibles available now at. Justin henshell, the manual of below grade waterproofing systems. Covers all the basement needs when it comes to waterproofing.
Waterproofing solutions that challenge moisture penetration basf. Of course, if everyone designed and installed systems by the. 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. The manual of belowgrade waterproofing systems october. Membrane systems colphene 3000 colphene 3000 is a high quality selfadhesive waterproofing membrane composed of sbsmodified bitumen and a trilaminated woven polyethylene. Vfi608 below grade waterproofing system is designed for waterproofing below grade masonry surfaces such as foundation, basement and retaining walls. Paul buccellato is a registered architect in four states and is board certiied by the national council of architectural registration boards. Because of a proliferation of below grade waterproofing products designers find themselves lagging. The ever evolving technology of waterproofing presents challenges.
Read the pca best practice note for type c waterproofing. Justin henshell, the manual of belowgrade waterproofing systems. The paint film willnot stretch with the extension of the sealant and may crack and peel and most likely will not adhere to the sealant. Below grade systems wbdg whole building design guide. Waterproofing 3 design principles specialist input the specification of waterproofing systems is a specialised task. Building designers specify waterproofing systems and materials that are often based on limited and subjective manufacturers literature or past experience with. Our water based, elastomeric products can be applied to further waterproof the membrane. Used for vertical and horizontal waterproofing on structural foundation walls and decks can be used on below grade 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. The manual of belowgrade waterproofing ebook por justin. Waterproofing foundations tunnels planters retaining walls elevator pits. Apoc sells below grade products that feature 60 millimeter sheet waterproofing. Apply waterproofing liquid membrane up the eps of the wall to about 6 above where the grade line will be, ie to 6 above the backfill level. 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.
For both above and belowgrade concrete structures, waterproofing materials. Grace waterproofing systems powerhouse building solutions. Note that as of this writing a conventional configuration is required by some insurance underwriters. Performance and durability advancements in fluidapplied systems have resulted in increased use.
When selecting a belowgrade waterproofing system, conservatism is the watchword. Understanding below grade waterproofing systems and design. An earlier version of this article appeared in the december 2017 issue of ontario building officials association journal. The manual of belowgrade waterproofing ebook by justin. For architects, roof designers, roof consultants, contractors, spec writers, attorneys, materials manufacturers anyone who needs authoritative, uptodate information on all aspects of roof technology the manual of lowslope roof systems dominates the field. Even though its main function is to glue the polyethylene sheet to the wall, it is preferable to apply a full continuous coating the photo below shows it only partially covered.
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