The main factor that may weaken the stability of the roof structure is dampness. On its negative impact it is particularly exposed rafter framing, which deform under impact of water. Therefore is important roof protection against getting in  water into its internal structure.

Typically, investors during the construction of the roof attach great importance both for building materials, as well as careful execution. Unfortunately, later very often they forget about the survey, and any minor defects  commission outsource cheaper and often non-professional roofing companies. This is a big mistake,

Advanced Systems Roofing & Waterproofing Ltd. Advanced Systems Roofing & Waterproofing Ltd. ASR has been in business for seventeen years. Since it was established in 1998, ASR has been committed to providing. Find a Member Roofing Contractors Association of BC About. Admiral Roofing is familyowned and

A very important element that must be considered when the roof is projected, is ventilation, allowing drainage of excess dampness from under the roofing.