Flat Mossy Green Roof

Asphalt roof shingle defects.

Flat mossy green roof.

Moss on a roof begins with a thin dusting of green that you may notice only from low angles. The seams between the shingles and the shingles edges also develop moss because they tend to be especially shaded. A standard roofing membrane and insulation layer is laid onto the underlying roof structure then a studded perforated drainage membrane such as oldroyd xv 20 greenxtra is used in addition to provide a drainage layer. This thin layer on the top of the shingles expands and becomes wide thick and mat like.

Please contact our technical department on 01403 210204 or submit an enquiry for more information. Identifying removing preventing algae fungus lichens moss on roof shingles. Photos and text guide diagnosis of asphalt roof failures how to identify and explain roof shingle failures obtain claims. The build up of a flat green roof will vary depending upon the intended use.

The cost depends on the size of your roof the amount of moss and the labor rates in your area. As a rule of thumb professionally removing moss will cost about 5 of what it would take to replace your roof altogether. Removing moss and algae from a flat roof can seem like a never ending task. Here we discuss the causes of algae moss lichens or fungal growth on roof shingles the effects of these conditions and how to cure or prevent them.

Pre grown moss mats moss acres has now furnished moss for several green roof projects. Most homeowners will have noticed that their flat roof is regularly invaded by the green pest and while it does no damage to flat roofing materials it can retain moisture which will accelerate wear and tear on the flat roof.