Mastic Asphalt Roof Life Expectancy

So for we have not addressed the mastic asphalt life expectancy.

Mastic asphalt roof life expectancy.

Life expectancy for roof coatings will vary from coating to coating due to each coating s specified thickness and product quality. Mastic asphalt can be applied to almost any roofing surface including flat roofs green roofs balconies and access walkways and its life expectancy is unparalleled. With regular maintaining annually and solar reflective painting every 3 4 years a mastic asphalt roof will give longevity far beyond the recommended guarantee. Though alternative waterproofing membranes may look much better value initially many of them have life expectancies of around 15 or 20 years only half the life expectancy of mastic asphalt.

Specify falls greater than the absolute minimum recommended 1 40 rather than 1 80 to allow for variations in construction and to avoid ponding. Mastic asphalt is without question the toughest and most durable waterproof membrane available to architects building owners and other key specifiers. 25 years should be the minimum before any problems arise with a mastic asphalt roof. Expected lifespan of a premium shingle roof is anywhere from 20 to 30 years depending on the environment.

Many coatings though have manufacturing warranties for 5 10 years depending on the roof system for which they are intended. It is the astonishing longevity and durability of mastic asphalt that makes it much better value than its alternatives. Proven track record for durability. These are just a few of the problem that happen during the life of a flat roof which are taken out of context.

Given my background as a mastic asphalt apprentice i can t help but push the benefits of mastic asphalt systems as there as so many. Premium shingles are normally fancier looking asphalt shingles designed for premium homes. Typically a built up roofing system or a single layer torch on system may be applied on to a built up felt or mastic asphalt roof. A premium shingle is normally thicker and will last longer than a mid range architectural shingle.