How To Install Drainage Mat On A Roof

Drainage mat can be fitted with outlets and drainage accessories to further move the water away from the structure.

How to install drainage mat on a roof.

With drainage both of these procedures are eliminated. Drainage mat allows for full head to footer flow of water. Do not place excessive amounts of adhesive on the surface. They perform a multi faceted role by providing protection for roofpro and sikalastic 320 ns sl membranes as well as a means of collecting and conveying excess water in plaza decks split slabs planters roof gardens and other roofing and waterproofing applications.

Kev always uses cutting boards so he doesn t damage the waterproofing with his knife. Finally soil is spread over the drainage mat. Drainage mat does not. Where the tube passes by the downspout from the gutter we installed a y fitting and drained the roof water from the gutter system directly into the main drainage line.

Drainage mat is laid over the protection fabric and the remainder of the roof with the ribbed drainage channels following the roof slope. Screw a drain cover over the end of the tubing as it approaches daylight to keep critters out. All of the drainage mat gets covered with water retention mat right up to the edge of the upstand. Placing the adhesive place the adhesive on the surface using a floor squeegee or trowel at 1 16.

Placing excessive amounts of adhesive will cause the surface to out gas and will create more time and labor when rolling the drain core to lay flat. For the last decade sub concrete drainage mats have been considered an optional upgrade with elevated balcony and breezeway waterproofing systems. When considering the extensive water infiltration research over the last 20 years the conclusion for most drain mat function. The next step is to install the drain outlet where the downpipe will be located.

Extruded three dimensional synthetic black mesh used as an air separation layer between fully sarked roof and roof cladding. Install the drain outlet. Sika drainage mat composites are available in both high flow dimpled core and high crush resistant geonet constructions. To prevent erosion make a rock bed around the end of the tube.

To do this mark the screw locations of the drain outlet or the brackets that will hold the drain outlet and drill pilot holes before attaching the drain outlet to the fascia or shed. Kev will simply unroll the water retention fleece and use a stanley knife to cut it to the same size as the roof. Most architects and waterproofing consultants agree that these mats are an upgrade but for many no longer optional. If the roof slope exceeds 2 12 a mechanical slope stabilization product is installed over the drainage mat.

Drainage matt roof. Aggregate adds additional weight bearing to the foundation wall. Provides a path for air passage ventilating potential areas of condensation or moisture accumulation and facilitating drying.