Concrete Roof Deck Waterproofing Details
Is one of the common causes of flat roof waterproofing failure.
Concrete roof deck waterproofing details. Innovative chemical products icp the 10th largest coatings company in the world formed the building solutions group bsg has developed a better way to serve the building industry our building solutions group is a compilation of industry leading brands that deliver high performance professional products and services for. Dex o tex waterproofing products offer protection for a wide range of residential and commercial surfaces from pedestrian walkways to parking garages to residential decks and balconies. Cross ventilation beneath the deck is usually. Using quality materials such as a tpo membrane and qualified contractor labor is key to making sure that the job will be done right.
These usually occur in the waterproofing material not the deck itself. Additionally many manufacturers of setting materials also make roof deck drainage systems. Drain and not pond the finished walking surface of the roof deck surface should be below the level of the interior floor by at least 1 1 2 inches. Here is a list of common problems that homeowners experience when they don t properly waterproof their decks.
Large amount of water vapour can evaporate from reinforced concrete or a wet screed. Waterproofing is necessary for the basement walls bathrooms kitchen balconies decks terrace or roofs green roofs water tanks and swimming pools etc. The utilization of liquid waterproofing membrane cementitious materials polyurethane liquid membrane and bituminous material are common in the waterproofing of buildings. Waterproofing sbs modified bitumen teranap concrete substrate.
For a concrete deck form release agents and concrete curing compounds must be compatible with the waterproofing materials being used or must be removed from the concrete s surface. The coating becomes an integral part of the surface and provides the necessary protection against the elements. Expansion joint roof to roof paraguard expansion joint roof to roof roof drain. Honeycombs and other voids in the concrete substrate must be filled with a non shrinking concrete patching compound.
A roof deck supports the roof elements but does not provide complete protection. Our waterproofing products are specially designed to protect exterior concrete and decking surfaces against weather damage uv radiation and general wear and tear from pedestrian traffic and other impacts. The tcna handbook contains two details for decks f103 roof decks and f104 balcony decks. Ponding water which is often found on roof decks also has nowhere to go but inside your house.
Once the waterproofing membrane is laid drying out of the structural slab will mostly take place from the underside of the deck. Sound waterproofing is the number 1 rule of quality roof deck design. Applying gacodeck adds the waterproofing layer to a roof deck. Pli dek is proud to be part of icp s building solutions group.
Parapet non wall supported deck l metal. Concrete fins or projections should be removed to provide a smooth surface.