This means that the water leaves the roof as vapor.
Green roof water retention mat.
Kev will simply unroll the water retention fleece and use a stanley knife to cut it to the same size as the roof.
Made of high quality recycled non rotting polypropylene fibres for water and nutrient retention as well as a protection layer.
Retention works like this.
As a rule of thumb.
Green roof systems of this type are drained by a multi layer fabric mat called a drainage mat that combines soil separation drainage and protection functions.
Moisture retention and protection mat for extensive green roofs and ballasted roofs.
The most critical role of the drainage layer is to provide an adequate flow of water off the roof during and after rainfall.
Enkaretain drain 3111 green roof drainage mat interior and exterior planters.
The secret of green roof water retention is green.
The highly retentive qualities of this fabric provide a slow evaporative release of moisture for green roof plants from deep in the green roof system.
Enkaretain drain 3111 is one of a new generation of products designed specifically for vegetated roofs this multi function composite consists of a 50 post industrial recycled polypropylene drainage core of fused entangled filaments and a specially formulated water retention fabric bonded to one side.
Systems with drainage mats.
Manufacturers whose materials we use for landscape works are well known all over the world.
Basic uses tremdrain gs is designed to be used in applications such as vegetative roof systems or greenscapes where some water retention is desired.
Drainage and water retention elements with low medium or high retention capacity are components of the green roof system.
Kev always uses cutting boards so he doesn t damage the waterproofing with his knife.
Grs protection mat comes in rolls that are easy to install and provide excellent membrane protection.
We already had some common projects and results were reliable and spectacular.
Rain falls onto a relatively dry green roof and the green roof absorbs the water usually in pore spaces later the sun comes out and the plants use the rainwater to evapotranspire.
Green roof solutions offers many different drainage layer options depending on system goals regarding water retention.
10 5 oz 18 oz and 30 oz.
Xf drainage mats are engineered to divert excess water from the green roof quickly for healthy plant growth.
Grs protection mats come in three weights.
All of the drainage mat gets covered with water retention mat right up to the edge of the upstand.