Is there a problem with 1.5 thick asphalt
this material is rare, are custom production, I am here is specializing in the production of such asphalt tiles
and now has asphalt shingles waterproofing membrane, so that is not professional, professional asphalt shingles waterproofing called more than three-dimensional color Glass fiber modified green waterproofing membrane,
Before the asphalt shingo is just one by one, through the stacking of forming, but with the technology mature,
