Concrete Roof Deck Waterproofing Details

A roof deck supports the roof elements but does not provide complete protection.

Concrete roof deck waterproofing details.

Waterproofing a concrete roof for safety and longevity whether it s a concrete rooftop that you re concerned about or perhaps there are other construction materials you want to ensure are stable and waterproof for years to come there s no doubt that investing in superior waterproofing systems is the best way to protect your assets. Careful detailing of membrane roofs at corners doorways and penetrations is critical for long term performance. To protect the concrete deck from moisture attack the membrane within a gra should be a waterproofing membrane. The coating becomes an integral part of the surface and provides the necessary protection against the elements.

Parapet non wall supported deck l metal. The roof deck surface should sloped away from the house a minimum 1 8 inch per foot so the water will. The selection of the overburden is a significant part of an overall waterproofing system. Photo by dave holbrook.

Expansion joint roof to roof paraguard expansion joint roof to roof roof drain. Once the waterproofing membrane is laid drying out of the structural slab will mostly take place from the underside of the deck. Life deck waterproofing systems are durable long lasting and used by homeowners and contractors for concrete resurfacing and wood waterproofing. 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.

Epdm is the best choice for most rooftop decks. Life paint the manufacture of the life deck product line has been selling waterproof deck systems for more than 30 years. Is one of the common causes of flat roof waterproofing failure. Some key details for a leakproof rooftop deck are.

Because a building owner is likely to hire an architect or consultant to specify his gra it is incumbent upon the specifier and installer to be knowledgeable about proper materials and components for an effective project. Waterproofing sbs modified bitumen teranap concrete substrate. 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. Applying gacodeck adds the waterproofing layer to a roof deck.

Cross ventilation beneath the deck is usually. Large amount of water vapour can evaporate from reinforced concrete or a wet screed. For concrete overburden steel rebars wire mesh etc.