Emseal BG - below-grade expansion joint for foundations and tunnels
Sika is a specialty chemicals company with a leading position in the development and production of systems and products for bonding, sealing, damping, reinforcing and protecting in the building sector and the motor vehicle industry. Sika's product lines feature concrete admixtures, mortars, sealants and adhesives, structural strengthening systems, industrial flooring as well as roofing and waterpr... see moreoofing systems. ... see less
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Emseal BG - below-grade expansion joint for foundations and tunnels
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Main material | PVC |
Secondary material | Thermoplastic olefin (TPO) |
Designed in | United States |
Manufactured in | Canada |
A below-grade expansion joint system, Sika Emseal BG System can be installed onto the exterior of free-standing foundation and tunnel walls, against the retaining wall (blind-side) on one-sided formed walls, and sub floor joints, prior to casting concrete against lagging or prepared sub floor base.
BG System features heavy-duty, extruded multiple-cell thermoplastic gland, with dual flanges for a secure tie-in to the waterproofing system. The flanges are sandwiched within, welded, or adhered to layers of the below-grade waterproofing membrane. The assembly is secured to the structure with mechanically-fastened termination bars.
The BG System is integrated into the waterproofing membrane using accessories offered by the waterproofing membrane manufacturer. It is heat-weldable, uniquely ensuring continuity of seal through factory-welded transitions and terminations.
Features
• Watertight system for below-grade, backfilled wall expansion joints
• Watertight system for expansion joints installed into blind side of single-sided formed walls and under-slab
• High movement capacity
• Redundant sealing to waterproofing capability
• Double-level membrane integration flanges
• Welds to PVC based membranes
• Rubber, mod-bit, cold applied liquid, or hot-rubberized asphalt membranes can be adhered to the BG flanges
• Redundant fastening—bonded and mechanical
• Heat welded transitions at tees, crosses, outside & inside-90’s
• Watertight transition to EMSEAL wall joints
• Watertight transition to FP plaza deck joints in hardscape decks
• Watertight transitions to RoofJoint in green roofs, vegetative roofs, and plaza decks
• Supplied BG System includes necessary termination bar and fasteners when required for installation.
Uses
For use at structural expansion joints in foundation and tunnel walls, both backfilled and blind side construction, and under slab.
• Cast concrete walls where access to the exterior is possible (backfilled conditions)
• Cast concrete walls where access to the exterior is not possible after concrete placement – i.e. blindside (single-side forming conditions)
• Tunnel under slab conditions (slab is cast onto waterproofing membrane and BG System)
Where the waterproofing and expansion joint continue from the wall under the floor slab, the BG System would be installed under the floor slab and transition, via a factory-welded outside corner, to BG System installed at the exterior of wall joints.
For vertical joints continuing above finished grade, the BG System would transition at grade to Seismic Colorseal or Emshield WFR joint seals.
Where the below grade expansion joint transitions to a horizontal deck joint at or below grade: In softscapes the BG System would transition to RoofJoint and waterproofing at the structural deck. In hardscapes and split-slabs, the BG would transition to an FP (For Plaza) system.
Sizes
BG-0200: 2-3 inches | 50-75mm
BG-0400: 3-5 inches | 75-125mm
BG-0600: 5-7 inches | 125-175mm
Larger custom sizes may be available to suit a specific application. Consult EMSEAL.
Movement
BG-0200: 2 1/2-inches | 60mm
BG-0400: 5-inches | 125mm
BG-0600: 7-inches (min) | 175mm
For questions regarding movement in a specific condition, consult EMSEAL.
Color
Black or white
U.S. Patents
US Patent: 9,850,662
US Patent: 9,322,163
Classification IFC | Building Element |
This product is available in:
Angola Burkina Faso Burundi Benin Botswana Democratic Republic of the Congo Central African Republic Republic of the Congo Côte d'Ivoire Cameroon Cape Verde Djibouti Algeria Western Sahara Eritrea Ethiopia Gabon Ghana The Gambia Guinea Equatorial Guinea Guinea-Bissau Kenya Comoros Liberia Lesotho Libya Morocco Madagascar Mali Mauritania Mauritius Malawi Mozambique Namibia Niger Nigeria Reunion Rwanda Seychelles Sudan Saint Helena Sierra Leone Senegal Somalia South Sudan São Tomé and Príncipe Eswatini Chad Togo Tunisia Tanzania Uganda Mayotte South Africa Zambia Zimbabwe
Antarctica Bouvet Island South Georgia and the South Sandwich Islands Heard Island and McDonald Islands French Southern and Antarctic Lands
Armenia Azerbaijan Bangladesh Brunei Bhutan Cocos (Keeling) Islands China Christmas Island Georgia Hong Kong Indonesia India British Indian Ocean Territory Japan Kyrgyzstan Cambodia North Korea South Korea Kazakhstan Laos Sri Lanka Myanmar (Burma) Mongolia Macau Maldives Malaysia Nepal Philippines Pakistan Singapore Thailand Tajikistan Turkmenistan Taiwan Uzbekistan Vietnam
Andorra Albania Austria Åland Islands Bosnia and Herzegovina Belgium Bulgaria Belarus Switzerland Cyprus Czech Republic Germany Denmark Estonia Spain Finland Faroe Islands France United Kingdom Guernsey Gibraltar Greece Croatia Hungary Ireland Isle of Man Iceland Italy Jersey Liechtenstein Lithuania Luxembourg Latvia Monaco Moldova Montenegro North Macedonia Malta Netherlands Norway Poland Portugal Romania Serbia Russia Sweden Slovenia Svalbard and Jan Mayen Slovakia San Marino Ukraine Vatican City
United Arab Emirates Afghanistan Bahrain Egypt Israel Iraq Iran Jordan Kuwait Lebanon Oman Palestine Qatar Saudi Arabia Syria Türkiye Yemen
Antigua and Barbuda Anguilla Aruba Barbados Saint-Barthélemy Bermuda Caribbean Netherlands The Bahamas Belize Canada Costa Rica Cuba Curaçao Dominica Dominican Republic Grenada Greenland Guadeloupe Guatemala Honduras Haiti Jamaica Saint Kitts and Nevis Cayman Islands Saint Lucia Collectivity of Saint Martin Martinique Montserrat Mexico Nicaragua Panama Saint Pierre and Miquelon Puerto Rico El Salvador Sint Maarten Turks and Caicos Islands Trinidad and Tobago United States Saint Vincent and the Grenadines British Virgin Islands U.S. Virgin Islands
American Samoa Australia Cook Islands Fiji Federated States of Micronesia Guam Kiribati Marshall Islands Northern Mariana Islands New Caledonia Norfolk Island Nauru Niue New Zealand French Polynesia Papua New Guinea Pitcairn Islands Palau Solomon Islands Tokelau Timor-Leste Tonga Tuvalu United States Minor Outlying Islands Vanuatu Wallis and Futuna Samoa
Argentina Bolivia Brazil Chile Colombia Ecuador Falkland Islands (Islas Malvinas) French Guiana Guyana Peru Paraguay Suriname Uruguay Venezuela
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