How To Use Roof Membrane

It is used to create a watertight roof covering to protect the interior of a building.

How to use roof membrane.

The material can now be rolled out and laid into the required position across the surface of the roof. Cut the membrane and turn it so that it folds up against the penetration. Use the measurements to calculate how many sections you will need to cut out in order to complete the project. The first step in waterproofing a roof is cleaning of the substrate.

They are usually installed with thicknesses anywhere from 30 to 60 millimeters. Membrane roofs are most commonly made from synthetic rubber thermoplastic pvc or similar material or modified bitumen. Use scissors to cut out the sections of rubber. For round penetrations cut the membrane with an asterix shape to create flaps to fold upwards.

Cleaning priming treatment of details main coating application and inspection. If needed tape the cut out sections to the penetration to prevent them from folding back down. On roof valleys ensure the breather membrane is extended by a minimum of 300mm on each side measured from the centre of the valley. A typical application of liquid applied roof membranes consists five main steps which should all be treated with utmost importance following the product manufacturer instructions.

However not every material that prevents leaks can be considered a membrane. Roof penetrations around chimneys soil pipes etc. For example many roofs today are protected from the elements by a few layers of asphalt. You might need to cut more pieces of rubber or trim existing ones.

At abutments the underlay should be turned up by at least 100mm this will create a secondary water resistant barrier. The purpose of roofing membrane. Roofing membranes are also categorized by thickness in millimeters. Try the pieces of rubber on the roof before using any adhesive to check that they all fit.

Position the epdm membrane. Membrane roofing is a type of roofing system for buildings and tanks. Membrane roofs are most commonly used in commercial application though they are becoming increasingly common in residential application.