Do not place excessive amounts of adhesive on the surface.
How to install drainage mat on a roof.
Sika drainage mat composites are available in both high flow dimpled core and high crush resistant geonet constructions.
Drainage mat allows for full head to footer flow of water.
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.
Install the drain outlet.
Most architects and waterproofing consultants agree that these mats are an upgrade but for many no longer optional.
To prevent erosion make a rock bed around the end of the tube.
If the roof slope exceeds 2 12 a mechanical slope stabilization product is installed over the drainage mat.
Drainage mat is laid over the protection fabric and the remainder of the roof with the ribbed drainage channels following the roof slope.
See the following pages for installation details.
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.
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.
The next step is to install the drain outlet where the downpipe will be located.
Drainage mat does not.
Drainage mat can be fitted with outlets and drainage accessories to further move the water away from the structure.
Extruded three dimensional synthetic black mesh used as an air separation layer between fully sarked roof and roof cladding.
Drainage matt roof.
When considering the extensive water infiltration research over the last 20 years the conclusion for most drain mat function.
Properly designed drainage mat is critical for a successful installation which brings environmental benefits.
Kev always uses cutting boards so he doesn t damage the waterproofing with his knife.
All of the drainage mat gets covered with water retention mat right up to the edge of the upstand.
With drainage both of these procedures are eliminated.
Provides a path for air passage ventilating potential areas of condensation or moisture accumulation and facilitating drying.
For the last decade sub concrete drainage mats have been considered an optional upgrade with elevated balcony and breezeway waterproofing systems.
Kev will simply unroll the water retention fleece and use a stanley knife to cut it to the same size as the roof.
Aggregate adds additional weight bearing to the foundation wall.
Screw a drain cover over the end of the tubing as it approaches daylight to keep critters out.
Placing the adhesive place the adhesive on the surface using a floor squeegee or trowel at 1 16.
