Glue roofing membrane - quick and easy

Roofing foil can also serve as an alternative to bitumen sheeting - the newly developed EPDM foils for roofing offer a number of significant advantages compared to the traditional, complex bitumen covering. How to properly lay them, read in this post.

Modern plastics have advantages

Bitumen roof coverings have to be laid in two layers, on the one hand, and the seams also have to be welded in order to ensure that the roof is actually watertight.

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The roles have to be laboriously hoisted onto the roof one by one, and without a helper you can usually only manage if you are reasonably skilled and experienced.

EPDM foil offers some essential relief here: It can be cut to the approximate size on the ground and is usually applied to the roof in one piece and then simply glued.

It is more resistant and durable than bitumen coverings and is just as rainproof.

What there is to know about EPDM foil

  • it is long-lasting and extremely durable - a service life of up to 50 years and more is realistic
  • the abbreviation EPDM stands for Ethylene Polypropylene Diene Monomer and is a special plastic
  • After gluing, the EPDM film is completely tight, but can occasionally fold, which is harmless

This is how the EPDM film is glued to the roof

  • EPDM foil
  • Matching adhesive (there are different brands here, each with their own processing instructions)
  • scissors
  • Roller for applying glue
  • Street broom

1. Preparation of the roof

Before gluing, the roof must be swept clean, clean and dry. There must also be no residues of old bitumen pavement left.

2. Roughly cut the film and let it "rest" on the roof

Even before it is transported to the roof, the film can be cut to the approximate size with scissors - you should, however, allow for around 15 cm overhang on the sides.

Then the film laid on the roof has to rest for half an hour so that it can contract evenly again.

3. Glue the foil

Fold back about half of the film and apply a thin layer of adhesive to the surface. The EPDM foil is then simply pressed gently into the adhesive and the folds and bubbles are smoothed out with the street broom towards the edge of the roof.

Then the second half is turned back and glued in the same way.

Tips & Tricks In order to achieve a nicer roof finish, you can also attach strips or profiles to the roof edge.